Mesa, AZ

Climate overview — based on NOAA 1991-2020 normals from E MESA, AZ US.

BWh Desert (hot) climate 9b USDA hardiness Zone 9b

Year-round temperatures (°F)

40° 60° 80° 100° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Mesa has an annual average temperature of 72.3°F with about 10.8 inches of precipitation per year. The warmest month is July (average high 105.9°F), and the coldest is December (average low 40.1°F). February is typically the wettest month (1.46 in) and June the driest (0.05 in).

Annual swing
39.3°F
warmest to coldest month
Heating need
1,101
Cooling need
3,711

Best time to visit Mesa

Full guide →

Climate change signal

All-time records →

181 of 366 (49.5%) of Mesa's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

2000s
126
2010s
115
2020s
125

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 67.5°F 41.0°F 54.2°F 1.36 in 4
February 70.1°F 42.7°F 56.4°F 1.46 in 4
March 77.2°F 47.6°F 62.4°F 1.31 in 3
April 85.2°F 53.3°F 69.3°F 0.36 in 2
May 94.4°F 61.6°F 78.0°F 0.16 in 1
June 104.1°F 70.7°F 87.4°F 0.05 in 1
July 105.9°F 78.9°F 92.4°F 1.18 in 5
August 104.6°F 78.4°F 91.5°F 1.29 in 5
September 100.2°F 71.4°F 85.8°F 1.13 in 3
October 89.5°F 59.1°F 74.3°F 0.56 in 2
November 76.8°F 47.6°F 62.2°F 0.79 in 2
December 66.1°F 40.1°F 53.1°F 1.11 in 5

Climate twins of Mesa

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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