Sunniest States

Sunshine is the lifeblood of earth; humans rely on it for warmth, light, and Vitamin D production; and plants rely on it for photosynthesis. The sun can also affect the atmosphere and environment by heating water in the oceans and air to create weather patterns. Moreover, as technology continues to advance, solar power becomes more essential to everyday life. 

The United States has a very large land mass and the amount of sun that a state receives can vary significantly. But despite these variations, the south of the country is clearly more exposed to the sun. And while the Sunshine State, Florida, is exposed to a lot of sunshine, it is not the sunniest state in the country. 

Using data released by the Centers for Disease Control and Prevention (CDC), it is possible to mathematically calculate the states that receive the most sunlight on average annually (measured in kilojoules per square meter). 

Learn for yourself which states are the sunniest by comparing the data in the charts.

Annual Average Sunlight by State

Alabama - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,660

#16 in the US

AVERAGE TEMPERATUREhelp

64.3

#4 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

85.75%

#3 in the US

Arizona - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

5,755

#1 in the US

AVERAGE TEMPERATUREhelp

62.1

#8 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

52.25%

#50 in the US

Arkansas - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,724

#12 in the US

AVERAGE TEMPERATUREhelp

61.2

#9 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

84.5%

#5 in the US

California - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

5,050

#5 in the US

AVERAGE TEMPERATUREhelp

60.4

#10 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

67.77%

#43 in the US

Colorado - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,960

#6 in the US

AVERAGE TEMPERATUREhelp

47.5

#37 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

59.2%

#47 in the US

Connecticut - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

3,988

#38 in the US

AVERAGE TEMPERATUREhelp

51.4

#28 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

75.5%

#39 in the US

Delaware - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,232

#31 in the US

AVERAGE TEMPERATUREhelp

57.4

#14 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

78%

#28 in the US

District of Columbia - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,307

#28 in the US

Florida - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,859

#10 in the US

AVERAGE TEMPERATUREhelp

72.2

#1 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

85.58%

#4 in the US

Georgia - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,661

#15 in the US

AVERAGE TEMPERATUREhelp

64.6

#5 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

84.83%

#6 in the US

Idaho - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,251

#30 in the US

AVERAGE TEMPERATUREhelp

45.4

#41 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

67%

#44 in the US

Illinois - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,380

#23 in the US

AVERAGE TEMPERATUREhelp

53.8

#22 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

82%

#9 in the US

Indiana - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,318

#27 in the US

AVERAGE TEMPERATUREhelp

53.5

#23 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

82%

#10 in the US

Iowa - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,331

#26 in the US

AVERAGE TEMPERATUREhelp

50

#31 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

82.5%

#11 in the US

Kansas - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,890

#8 in the US

AVERAGE TEMPERATUREhelp

56.1

#17 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

78.6%

#29 in the US

Kentucky - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,383

#22 in the US

AVERAGE TEMPERATUREhelp

57

#15 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

81%

#17 in the US

Louisiana - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,725

#11 in the US

AVERAGE TEMPERATUREhelp

67.5

#2 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

88.25%

#1 in the US

Maine - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

3,815

#48 in the US

AVERAGE TEMPERATUREhelp

44.3

#44 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

78.5%

#30 in the US

Maryland - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,267

#29 in the US

AVERAGE TEMPERATUREhelp

56.8

#18 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

77%

#35 in the US

Massachusetts - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

3,944

#40 in the US

AVERAGE TEMPERATUREhelp

50.8

#32 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

74.67%

#41 in the US

Michigan - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,018

#36 in the US

AVERAGE TEMPERATUREhelp

47.4

#38 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

82.38%

#12 in the US

Minnesota - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

3,968

#39 in the US

AVERAGE TEMPERATUREhelp

44.3

#45 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

82.2%

#13 in the US

Mississippi - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,693

#13 in the US

AVERAGE TEMPERATUREhelp

64.8

#6 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

88.67%

#2 in the US

Missouri - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,545

#18 in the US

AVERAGE TEMPERATUREhelp

56.3

#19 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

82.25%

#14 in the US

Montana - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

3,847

#45 in the US

AVERAGE TEMPERATUREhelp

43.9

#46 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

69.71%

#42 in the US

Nebraska - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,685

#14 in the US

AVERAGE TEMPERATUREhelp

51

#29 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

79.86%

#24 in the US

Nevada - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

5,296

#3 in the US

AVERAGE TEMPERATUREhelp

52.5

#26 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

56.6%

#49 in the US

New Hampshire - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

3,891

#44 in the US

AVERAGE TEMPERATUREhelp

46.1

#40 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

80%

#21 in the US

New Jersey - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,056

#34 in the US

AVERAGE TEMPERATUREhelp

55.1

#20 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

76%

#36 in the US

New Mexico - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

5,642

#2 in the US

AVERAGE TEMPERATUREhelp

55.4

#21 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

57.33%

#48 in the US

New York - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

3,904

#43 in the US

AVERAGE TEMPERATUREhelp

47.7

#39 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

76.44%

#37 in the US

North Carolina - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,466

#21 in the US

AVERAGE TEMPERATUREhelp

60.1

#11 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

82.83%

#15 in the US

North Dakota - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

3,925

#42 in the US

AVERAGE TEMPERATUREhelp

43.8

#47 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

81.5%

#18 in the US

Ohio - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,139

#33 in the US

AVERAGE TEMPERATUREhelp

53.2

#24 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

81.13%

#19 in the US

Oklahoma - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,912

#7 in the US

AVERAGE TEMPERATUREhelp

60.8

#12 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

80.5%

#22 in the US

Oregon - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

3,830

#46 in the US

AVERAGE TEMPERATUREhelp

49.2

#34 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

78%

#31 in the US

Pennsylvania - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

3,939

#41 in the US

AVERAGE TEMPERATUREhelp

51.2

#30 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

78.14%

#32 in the US

Rhode Island - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

3,989

#37 in the US

AVERAGE TEMPERATUREhelp

52.6

#27 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

75%

#40 in the US

South Carolina - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,624

#17 in the US

AVERAGE TEMPERATUREhelp

63.8

#7 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

82.5%

#16 in the US

South Dakota - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,332

#25 in the US

AVERAGE TEMPERATUREhelp

48

#35 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

79.25%

#25 in the US

Tennessee - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,486

#19 in the US

AVERAGE TEMPERATUREhelp

59

#13 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

83.8%

#7 in the US

Texas - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

5,137

#4 in the US

AVERAGE TEMPERATUREhelp

66.2

#3 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

79.83%

#26 in the US

Utah - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,887

#9 in the US

AVERAGE TEMPERATUREhelp

50.7

#33 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

63%

#45 in the US

Vermont - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

3,826

#47 in the US

AVERAGE TEMPERATUREhelp

45

#42 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

76%

#38 in the US

Virginia - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,354

#24 in the US

AVERAGE TEMPERATUREhelp

57.1

#16 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

78.6%

#33 in the US

Washington - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

3,467

#49 in the US

AVERAGE TEMPERATUREhelp

48.3

#36 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

79.33%

#27 in the US

West Virginia - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,146

#32 in the US

AVERAGE TEMPERATUREhelp

53.6

#25 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

83.5%

#8 in the US

Wisconsin - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,023

#35 in the US

AVERAGE TEMPERATUREhelp

45.7

#43 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

81.75%

#20 in the US

Wyoming - Annual Average Sunlight

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ANNUAL AVERAGE SUNLIGHThelp

4,471

#20 in the US

AVERAGE TEMPERATUREhelp

43.6

#48 in the US

AVERAGE ANNUAL RELATIVE HUMIDITYhelp

63.75%

#46 in the US