Coolidge, AZ

Climate overview — based on NOAA 1991-2020 normals from CASA GRANDE NM, AZ US.

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

Year-round temperatures (°F)

30° 50° 70° 90° 110° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Coolidge has an annual average temperature of 71.3°F with about 8.3 inches of precipitation per year. The warmest month is July (average high 106.6°F), and the coldest is December (average low 36.3°F). August is typically the wettest month (1.24 in) and June the driest (0.06 in).

Annual swing
40.2°F
warmest to coldest month
Heating need
1,293
Cooling need
3,558

Best time to visit Coolidge

Full guide →

Climate change signal

All-time records →

28 of 366 (7.7%) of Coolidge'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.

1900s
1
1910s
16
1930s
21
1940s
36
1950s
53
1960s
18
1970s
25
1980s
54
1990s
76
2000s
34
2010s
19
2020s
13

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 67.6°F 37.0°F 52.3°F 0.98 in 4
February 71.3°F 39.7°F 55.5°F 1.02 in 4
March 78.2°F 45.2°F 61.7°F 0.94 in 3
April 86.4°F 50.8°F 68.6°F 0.25 in 1
May 95.2°F 59.2°F 77.2°F 0.20 in 1
June 105.1°F 68.0°F 86.6°F 0.06 in 1
July 106.6°F 77.1°F 91.8°F 1.12 in 5
August 104.9°F 76.6°F 90.8°F 1.24 in 5
September 100.7°F 69.8°F 85.2°F 0.70 in 3
October 90.5°F 56.3°F 73.4°F 0.48 in 2
November 77.8°F 43.7°F 60.8°F 0.49 in 2
December 66.9°F 36.3°F 51.6°F 0.77 in 4

Climate twins of Coolidge

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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