Arizona Weather Records

Weather averages and records for the U.S. state of Arizona based on data made available by the NOAA.
State:
Month:
Arizona Statewide Averages
Average temperatures and precipitation over the entire territory of the state, from 1991–2020.
Month High (°F) Low (°F) Precipitation (in)
January 55.7 30.6 1.2
February 59.3 33.2 1.2
March 66.3 38.0 1.0
April 73.5 43.1 0.4
May 82.6 50.8 0.3
June 93.0 59.9 0.2
July 95.2 66.8 1.6
August 93.2 65.8 1.9
September 87.9 59.2 1.2
October 77.1 47.7 0.8
November 64.9 37.1 0.7
December 54.8 29.9 1.1
Entire Year 75.3 46.8 11.6
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Hottest Temperature All-Time
The highest recorded temperature in Arizona history was 128 °F which was reached in Lake Havasu City on June 29, 1994.
Coldest Temperature All-Time
The lowest recorded temperature in Arizona history was -40 °F which was reached at Hawley Lake on January 7, 1971.
Arizona Cities
Yearly weather averages for various places in Arizona, from 1991–2020.
City Average (°F) Record (°F) Yearly (inches)
High Low High Low Precipitation Snow
Alpine 61.9 28.9 94 -32 19.8 42.5
Douglas 79.9 46.7 110 -4 12.0 n/a
Flagstaff 61.9 31.9 99 -30 20.5 90.4
Gila Bend 90.2 58.9 122 10 5.8 0.0
Lake Havasu City 88.2 62.2 128 25 4.0 0.0
Payson 73.4 40.8 107 -18 19.7 19.4
Phantom Ranch 82.1 55.8 120 3 9.4 0.1
Phoenix 87.2 63.9 122 12 7.2 n/a
Prescott 70.6 40.7 105 -21 16.3 9.9
Quartzsite 87.7 59.6 124 9 4.6 0.3
Show Low 67.3 40.3 100 -25 15.4 19.5
St. Johns 70.7 38.5 104 -29 8.9 6.5
Tombstone 78.7 51.5 112 3 13.6 1.1
Tucson 84.4 56.7 117 6 10.6 0.2
Willcox 79.9 44.4 112 -7 12.5 1.9
Winslow 72.4 40.1 110 -19 6.5 n/a
Yuma 88.9 63.8 124 22 3.2 0.0