Introduction
Several states stand out as having the highest average annual levels. The most humid states in the US are Mississippi and Louisiana, with average annual humidities of 88.67% and 88.25% respectively. These states, along with Alabama, Florida, and Georgia, make up the top five most humid states.
The high humidity levels in these states can be attributed to their geographical locations and proximity to bodies of water. Mississippi and Louisiana, located along the Gulf of Mexico, experience high levels of moisture due to the warm, moist air coming from the Gulf. Additionally, these states also receive significant rainfall throughout the year, contributing to the overall humidity. The Southeastern region of the US, which encompasses the most humid states, is known for its subtropical climate characterized by hot and humid summers, mild winters, and abundant rainfall. The combination of warm temperatures, ample precipitation, and coastal influences creates a favorable environment for high humidity levels in these states.
Average Humidity
# | State | Humidity Levels |
---|---|---|
1 | Mississippi | 88.67% |
2 | Louisiana | 88.25% |
3 | Alabama | 85.75% |
4 | Florida | 85.58% |
5 | Georgia | 84.83% |
6 | Arkansas | 84.5% |
7 | Tennessee | 83.8% |
8 | West Virginia | 83.5% |
9 | North Carolina | 82.83% |
10 | Iowa | 82.5% |
11 | South Carolina | 82.5% |
12 | Michigan | 82.38% |
13 | Missouri | 82.25% |
14 | Minnesota | 82.2% |
15 | Illinois | 82% |
16 | Indiana | 82% |
17 | Wisconsin | 81.75% |
18 | North Dakota | 81.5% |
19 | Ohio | 81.13% |
20 | Kentucky | 81% |
21 | Oklahoma | 80.5% |
22 | New Hampshire | 80% |
23 | Nebraska | 79.86% |
24 | Texas | 79.83% |
25 | Washington | 79.33% |
26 | South Dakota | 79.25% |
27 | Alaska | 79% |
28 | Kansas | 78.6% |
29 | Virginia | 78.6% |
30 | Maine | 78.5% |
31 | Pennsylvania | 78.14% |
32 | Delaware | 78% |
33 | Oregon | 78% |
34 | Hawaii | 77.5% |
35 | Maryland | 77% |
36 | New York | 76.44% |
37 | New Jersey | 76% |
38 | Vermont | 76% |
39 | Connecticut | 75.5% |
40 | Rhode Island | 75% |
41 | Massachusetts | 74.67% |
42 | Montana | 69.71% |
43 | California | 67.77% |
44 | Idaho | 67% |
45 | Wyoming | 63.75% |
46 | Utah | 63% |
47 | Colorado | 59.2% |
48 | New Mexico | 57.33% |
49 | Nevada | 56.6% |
50 | Arizona | 52.25% |
Most Humid States in the US
The ten most humid states in the US are Mississippi, Louisiana, Alabama, Florida, Georgia, Arkansas, Tennessee, West Virginia, North Carolina, and Iowa. Mississippi is the most humid state with humidity levels of 88.67%. Louisiana is the second most humid state with humidity levels of 88.25%. Alabama is the third most humid state with an average annual humidity of 85.75%. Florida is the fourth most humid state with a humidity level of 85.58%, while Georgia is the fifth most humid state with 84.83% humidity. Arkansas is the sixth most humid state with a humidity level of 84.50%, and Tennessee follows closely in seventh place with 83.80%. West Virginia is the eighth most humid state with an average annual humidity of 83.50%, while North Carolina is the ninth most humid state with 82.83% humidity. Finally, Iowa rounds out the top ten most humid states with an average annual humidity of 82.50%.
The top ten most humid states are:
1. Mississippi – 88.67%
2. Louisiana – 88.25%
3. Alabama – 85.75%
4. Florida – 85.58%
5. Georgia – 84.83%
6. Arkansas – 84.50%
7. Tennessee – 83.80%
8. West Virginia – 83.50%
9. North Carolina – 82.83%
10. Iowa – 82.50%
Most Humid State
Mississippi is the most humid state in the US, boasting humidity levels of 88.67%. This high humidity can be attributed to several factors related to Mississippi’s geographical location and climate. Situated along the Gulf of Mexico, Mississippi experiences the influence of warm, moist air masses that flow in from the Gulf. The combination of the warm waters and prevailing winds results in a significant amount of moisture in the air, contributing to the state’s high humidity levels. Additionally, Mississippi receives abundant rainfall throughout the year, further adding to the overall humidity. The state’s lush vegetation, including expansive forests and wetlands, also plays a role in retaining moisture and contributing to the humid environment. The combination of coastal influences, ample rainfall, and a subtropical climate creates an ideal setting for Mississippi to claim its status as the most humid state in the US.
Humidity by State
Alabama
85.75%
Ranked in the US
#3
Alabama is the third most humid state in the US with humidity levels of 85.75%. Its southern location and coastal areas expose the state to the influence of moist air masses from the Gulf of Mexico, resulting in high humidity. The ample rainfall and the presence of rivers and lakes in Alabama contribute to its humid conditions as well.
Alaska
Ranked in the US
#27
Alaska has an average humidity level of 79%. As the largest state in the US, Alaska's humidity varies across its vast territory. Coastal regions, particularly in the southeastern part of the state, experience higher humidity due to the influence of the Pacific Ocean. Inland areas, such as the Arctic region, have drier and colder climates, resulting in lower humidity levels.
Arizona
52.25%
Ranked in the US
#50
Arizona has an average humidity level of 52.25%. The state's arid and semi-arid climate, characterized by desert landscapes and limited water bodies, results in lower humidity levels. Arizona's inland location and high elevation contribute to its drier air and lower moisture content.
Arkansas
84.5%
Ranked in the US
#6
Arkansas is the sixth most humid state with humidity levels of 84.50%. Located in the southeastern region of the US, Arkansas experiences high humidity due to its proximity to the Gulf of Mexico and the flow of warm, moist air from the south. The state's terrain, featuring mountains, forests, and rivers, also contributes to its humid conditions by facilitating moisture retention and evaporation.
California
67.77%
Ranked in the US
#43
California has an average humidity level of 67.77%. The state's humidity levels vary significantly due to its vast size and diverse geography. Coastal areas experience higher humidity levels, influenced by the Pacific Ocean and marine layer. Inland regions, particularly the desert areas, have much lower humidity due to their arid climate.
Colorado
59.2%
Ranked in the US
#47
Colorado has an average humidity level of 59.20%. The state's high elevation and mountainous terrain contribute to its lower humidity levels. Colorado's dry climate, influenced by its continental location and limited water bodies, results in drier air and lower moisture content.
Connecticut
75.5%
Ranked in the US
#39
Connecticut has an average humidity level of 75.50%. Located on the East Coast, Connecticut experiences a humid subtropical climate.
Delaware
Ranked in the US
#32
Delaware has an average humidity level of 78%. Located on the East Coast, Delaware experiences a humid subtropical climate influenced by its proximity to the Atlantic Ocean.
Florida
85.58%
Ranked in the US
#4
Florida is the fourth most humid state, with an average humidity in Florida of 85.58%. The state's tropical and subtropical climate, characterized by frequent rain showers and high temperatures, contributes to its overall humidity. The Everglades and other wetland areas within Florida also play a role in maintaining the state's humid environment.
Georgia
84.83%
Ranked in the US
#5
Georgia is the fifth most humid state with humidity levels of 84.83%. Its proximity to the Atlantic Ocean and the Gulf of Mexico exposes the state to moisture-laden air masses. Georgia's diverse topography, including mountains and coastal plains, contributes to the variation in humidity levels across the state, with coastal regions generally experiencing higher humidity.
Hawaii
77.5%
Ranked in the US
#34
Hawaii has an average humidity level of 77.50%. The state's tropical climate, warm ocean waters, and abundant rainfall contribute to its high humidity levels. The islands' lush vegetation and trade winds also play a role in retaining moisture and creating a humid environment.
Idaho
Ranked in the US
#44
Idaho has an average humidity level of 67%. Located in the northwestern part of the US, Idaho experiences a continental climate with lower humidity levels compared to coastal states. The state's inland location and limited proximity to major bodies of water contribute to its lower humidity.
Illinois
Ranked in the US
#15
Illinois is the fifteenth most humid state in the US, with humidity levels of 82%. The state's location in the Midwest exposes it to a variety of weather patterns. Illinois experiences hot and humid summers, characterized by ample moisture from the Great Lakes. The combination of these factors contributes to the state's relatively high humidity levels.
Indiana
Ranked in the US
#16
Indiana ranks as the sixteenth most humid state in the US, with humidity levels of 82%. Similar to its neighboring states, Indiana's proximity to the Great Lakes influences its humidity. The lakes generate moisture, which, along with the prevailing winds, increases humidity levels in the state.
Iowa
82.5%
Ranked in the US
#10
Iowa is the tenth most humid state, ranking as the tenth most humid state in the US with humidity levels of 82.50%. Although Iowa is not located near the coast, its humid conditions can be attributed to several factors. The state receives moderate rainfall throughout the year, and its agricultural practices, including extensive crop cultivation and irrigation, contribute to moisture in the air. Iowa's central location within the continental US also allows for the transport of moisture from surrounding regions, further contributing to its overall humidity.
Kansas
78.6%
Ranked in the US
#28
Kansas has an average humidity level of 78.60%. Kansas experiences a humid continental climate, with hot summers and cold winters. During the summer months, warm and moist air masses from the Gulf of Mexico can bring significant humidity to the region, while in the winter, the presence of snow and ice can increase humidity levels.
Kentucky
Ranked in the US
#20
Kentucky holds the twentieth spot as one of the most humid states in the US, with humidity levels of 81%. The state's climate is influenced by its location in the southeastern region. Kentucky experiences warm and moist air masses originating from the Gulf of Mexico, which, combined with the state's moderate rainfall, contributes to its relatively high humidity levels.
Louisiana
88.25%
Ranked in the US
#2
Louisiana is the second most humid state in the US with humidity levels of 88.25%. Its proximity to the Gulf of Mexico exposes the state to the inflow of warm, moisture-laden air, contributing to its high humidity. Additionally, Louisiana's coastal marshes, swamps, and bayous act as moisture reservoirs, further enhancing the humid environment.
Maine
78.5%
Ranked in the US
#30
Maine has an average humidity level of 78.50%. Located in the northeastern part of the US, Maine experiences a humid continental climate with relatively high humidity levels. The state's coastal areas and numerous lakes contribute to its overall humidity.
Maryland
Ranked in the US
#35
Maryland has an average humidity level of 77%. Located on the East Coast, Maryland experiences a humid subtropical climate.
Massachusetts
74.67%
Ranked in the US
#41
Massachusetts has an average humidity level of 74.67%. The state's coastal location and proximity to the Atlantic Ocean influence its humidity levels. Massachusetts experiences a humid subtropical climate, with warm and moist air masses affecting its overall humidity.
Michigan
82.38%
Ranked in the US
#12
Michigan is the twelfth most humid state in the US, with humidity levels of 82.38%. The Great Lakes, particularly Lake Michigan, have a significant impact on the state's humidity. The large surface area of the lakes generates moisture, which, when combined with the prevailing winds, leads to increased humidity levels in Michigan.
Minnesota
82.2%
Ranked in the US
#14
Minnesota is the fourteenth most humid state in the US, with humidity levels of 82.20%. Despite its reputation for cold winters, Minnesota experiences high humidity during the warmer months. The state's numerous lakes and extensive water bodies, combined with the moist air masses that flow in from the Gulf of Mexico, contribute to its overall humidity.
Mississippi
88.67%
Ranked in the US
#1
Mississippi is the most humid state in the US with humidity levels of 88.67%. This state experiences high humidity due to its location along the Gulf of Mexico, where warm, moist air from the Gulf contributes to the overall moisture content in the atmosphere. The abundant rainfall received in Mississippi also adds to its humid conditions.
Missouri
82.25%
Ranked in the US
#13
Missouri is the thirteenth most humid state in the US, with humidity levels of 82.25%. The state's geographical location in the central part of the country exposes it to a variety of weather patterns. Missouri experiences a blend of continental and subtropical influences, resulting in a humid climate. The combination of ample rainfall and warm temperatures contributes to the state's high humidity levels.
Montana
69.71%
Ranked in the US
#42
Montana has an average humidity level of 69.71%. The state's continental climate and inland location contribute to its lower humidity levels compared to coastal states. Montana's drier air and lower moisture content result in a relatively arid environment.
Nebraska
79.86%
Ranked in the US
#23
Nebraska is the twenty-third most humid state in the US, with humidity levels of 79.86%. The state's humidity is primarily influenced by its continental climate. While not as humid as coastal states, Nebraska experiences moisture from the Gulf of Mexico and the influence of weather systems passing through the region, contributing to its overall humidity.
Nevada
56.6%
Ranked in the US
#49
Nevada has an average humidity level of 56.60%. The state's arid climate, influenced by its desert landscapes and limited water bodies, contributes to its lower humidity levels compared to coastal regions. Nevada's inland location and high elevation also play a role in its drier air and lower moisture content.
New Hampshire
Ranked in the US
#22
New Hampshire claims the twenty-second spot as one of the most humid states in the US, with humidity levels of 80%. The state's climate is influenced by its proximity to the Atlantic Ocean and the humid air masses that flow inland. New Hampshire also receives a significant amount of precipitation throughout the year, contributing to its overall humidity.
New Jersey
Ranked in the US
#37
New Jersey has an average humidity level of 76%. The state's proximity to the Atlantic Ocean plays a significant role in its humidity levels.
New Mexico
57.33%
Ranked in the US
#48
New Mexico has an average humidity level of 57.33%. The state's arid and semi-arid climate, coupled with its inland location, contribute to its lower humidity levels. New Mexico's desert landscapes, high elevation, and limited water bodies result in drier air and lower moisture content.
New York
76.44%
Ranked in the US
#36
New York has an average humidity level of 76.44%. Coastal areas, including New York City, experience higher humidity levels due to their proximity to the Atlantic Ocean. Inland regions have slightly lower humidity but still maintain a moderate level.
North Carolina
82.83%
Ranked in the US
#9
North Carolina is the ninth most humid state with humidity levels of 82.83%. Its location along the Atlantic coast and its interaction with warm, moist air masses from the Gulf of Mexico and the Atlantic Ocean contribute to its high humidity.
North Dakota
81.5%
Ranked in the US
#18
North Dakota ranks eighteenth as one of the most humid states in the US, with humidity levels of 81.50%. The state's humidity is primarily influenced by its geographical location within the continental interior of the country. Despite its relatively lower humidity compared to coastal states, North Dakota still experiences significant moisture due to the presence of numerous lakes and rivers within its borders.
Ohio
81.13%
Ranked in the US
#19
Ohio is the nineteenth most humid state in the US, with humidity levels of 81.13%. The state's proximity to the Great Lakes plays a significant role in its humidity. Lake Erie, in particular, contributes to the overall moisture content in the air, resulting in the higher humidity levels experienced in Ohio.
Oklahoma
80.5%
Ranked in the US
#21
Oklahoma ranks twenty-first as one of the most humid states in the US, with humidity levels of 80.50%. The state's location within the southern plains exposes it to warm and moist air masses from the Gulf of Mexico. The convergence of these air masses with prevailing winds and local weather patterns leads to increased humidity in Oklahoma.
Oregon
Ranked in the US
#33
Oregon also has an average humidity level of 78%. Coastal areas of Oregon experience higher humidity levels due to the influence of the Pacific Ocean.
Pennsylvania
78.14%
Ranked in the US
#31
Pennsylvania has an average humidity level of 78.14%. The state's climate is influenced by its diverse geography, with coastal areas experiencing higher humidity due to their proximity to the Atlantic Ocean. Inland regions have slightly lower humidity levels, but overall, Pennsylvania experiences a moderate level of humidity.
Rhode Island
Ranked in the US
#40
Rhode Island has an average humidity level of 75%. As a coastal state, Rhode Island experiences higher humidity levels due to its proximity to the Atlantic Ocean. The state's small size and oceanic influences contribute to its overall humidity.
South Carolina
82.5%
Ranked in the US
#11
South Carolina is the eleventh most humid state in the US with humidity levels of 82.50%. The state's proximity to the Atlantic Ocean and its warm, subtropical climate contribute to its high humidity levels. The humid air masses that come from the ocean, combined with the state's relatively high precipitation, result in the humid conditions experienced in South Carolina.
South Dakota
79.25%
Ranked in the US
#26
South Dakota has an average humidity level of 79.25%. Located in the northern Great Plains region, South Dakota experiences a continental climate with relatively low humidity compared to coastal states. The state's lower humidity can be attributed to its inland location and limited proximity to major bodies of water.
Tennessee
83.8%
Ranked in the US
#7
Tennessee is the seventh most humid state in the US with humidity levels of 83.80%. Its location in the southeastern region and its proximity to the Gulf of Mexico influence its humidity levels. The state's diverse topography, which includes the Appalachian Mountains and the Mississippi River, contributes to variations in humidity across different areas of Tennessee.
Texas
79.83%
Ranked in the US
#24
Texas ranks twenty-fourth as one of the most humid states in the US, with humidity levels of 79.83%. The state's vast size and geographical diversity contribute to its varying humidity levels. Coastal regions of Texas, such as the Gulf Coast, experience higher humidity due to warm and moist air masses from the Gulf of Mexico, while inland areas are influenced by continental weather patterns.
Utah
Ranked in the US
#46
Utah has an average humidity level of 63%. The state's arid and semi-arid climate, coupled with its inland location, results in lower humidity levels compared to coastal states. Utah's desert landscapes and limited water bodies contribute to its overall drier air.
Vermont
Ranked in the US
#38
Vermont has an average humidity level of 76%. The state's humidity is influenced by a mix of continental and maritime climates.
Virginia
78.6%
Ranked in the US
#29
Virginia has an average humidity level of 78.60%. The state's proximity to the Atlantic Ocean plays a significant role in its humidity levels. Warm and moist air masses flow inland from the ocean, contributing to higher humidity.
Washington
79.33%
Ranked in the US
#25
Washington claims the twenty-fifth spot as one of the most humid states in the US, with humidity levels of 79.33%. The state's humidity is influenced by its coastal location and the presence of the Pacific Ocean. The moist air masses that flow inland from the ocean contribute to the higher humidity levels experienced in Washington.
West Virginia
83.5%
Ranked in the US
#8
West Virginia is the eighth most humid state with humidity levels of 83.50%. Despite being a landlocked state, West Virginia still experiences relatively high humidity due to its geographical location in the southeastern region of the US.
Wisconsin
81.75%
Ranked in the US
#17
Wisconsin claims the seventeenth spot as one of the most humid states in the US, with humidity levels of 81.75%. The state's location in the Great Lakes region exposes it to high levels of moisture. The combination of ample water bodies, including Lake Michigan, and prevailing winds contributes to the overall humidity experienced in Wisconsin.
Wyoming
63.75%
Ranked in the US
#45
Wyoming has an average humidity level of 63.75%. The state's continental climate, coupled with its inland location, results in lower humidity levels compared to coastal regions. Wyoming's arid and semi-arid conditions contribute to its drier air and lower moisture content.
FAQs
What is the most humid state ?
Mississippi is the most humid state in the US with an average annual humidity of 88.67%.
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