Maricopa, AZ

Climate overview — based on NOAA 1991-2020 normals from MARICOPA 4 N, 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

Maricopa has an annual average temperature of 71.9°F with about 7.1 inches of precipitation per year. The warmest month is July (average high 108.9°F), and the coldest is December (average low 35.3°F). August is typically the wettest month (1.02 in) and June the driest (0.09 in).

Annual swing
41.9°F
warmest to coldest month
Heating need
1,251
Cooling need
3,747

Best time to visit Maricopa

Full guide →

Climate change signal

All-time records →

0 of 366 (0%) of Maricopa'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.

1960s
48
1970s
46
1980s
60
1990s
77
2000s
101
2010s
34

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 69.0°F 36.7°F 52.8°F 0.77 in 4
February 72.9°F 39.8°F 56.4°F 0.79 in 4
March 80.2°F 44.5°F 62.3°F 0.91 in 3
April 88.2°F 50.8°F 69.5°F 0.20 in 1
May 97.4°F 59.4°F 78.4°F 0.22 in 1
June 107.1°F 68.6°F 87.8°F 0.09 in 1
July 108.9°F 77.8°F 93.3°F 0.67 in 4
August 107.3°F 77.2°F 92.3°F 1.02 in 4
September 102.3°F 69.1°F 85.7°F 0.68 in 3
October 91.2°F 54.6°F 72.9°F 0.47 in 2
November 78.1°F 42.7°F 60.4°F 0.53 in 2
December 67.5°F 35.3°F 51.4°F 0.76 in 4

Climate twins of Maricopa

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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