Tucson Records Above-Normal 2026 Monsoon Rainfall

The city received 5.76 inches of rain, slightly exceeding the normal seasonal average of 5.69 inches.

Updated on Oct. 24, 2026 in Current Conditions

A lone metal rain gauge in a desert landscape with distant saguaro cacti and a large dark monsoon cloud looming overhead.
Tucson recorded 5.76 inches of rainfall during the 2026 monsoon season, slightly exceeding the historical seasonal average of 5.69 inches. AI Illustration. Upload story photo >

Tucson recorded 5.76 inches of rainfall during the 2026 monsoon season. This total represents an above-normal accumulation compared to the city's historical seasonal average of 5.69 inches.

Why it matters

The rainfall measurements are part of a broader trend where multiple cities across the American Southwest recorded unexpectedly high precipitation levels during the season. Data collection relies on federally-managed gauges situated at local airports.

Tucson saw 5.76 inches of rain this season, surpassing its normal 5.69-inch average. Phoenix and Flagstaff also tracked seasonal totals of 2.46 inches and 8.68 inches, respectively.

The players

University of Arizona Institute for Resilience

This academic entity monitors environmental changes and oversees the collection of climate data in the Southwest.

The details

Rainfall data is compiled by the University of Arizona Institute for Resilience using measurements taken from airport gauges. Four of the five monitored cities, including Tucson, Phoenix, Flagstaff, Albuquerque, and El Paso, saw their rainfall totals exceed expectations during September.

Timeline

  1. September 2026 saw unexpectedly high rainfall levels across the region.

  2. The 2026 monsoon season resulted in above-normal rainfall for five southwestern cities.

Seasonal Patterns

This season follows the established monitoring protocols of the University of Arizona Institute for Resilience. The data marks a shift in recent precipitation patterns compared to historical averages for these southwestern municipalities.

Residents should monitor local drainage systems and official weather alerts as seasonal rainfall patterns fluctuate. Stay informed on potential flooding risks by checking updates from regional atmospheric monitoring stations.

The takeaway

Understanding these seasonal variations helps residents anticipate future water resource availability and potential weather-related disruptions. Tracking historical rainfall data provides a clearer picture of how regional climate patterns are evolving over time.

Further reading

For more information on regional weather updates, visit Tucson Current Conditions.

Source note: This article includes information reported by Arizona Public Media.