Williamson Arizona Climate Data

Monthly Average Climate Data for Williamson Arizona

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.8 °F53.0 °F1.61 in.
February27.1 °F55.9 °F1.6 in.
March31.8 °F62.0 °F1.4 in.
April36.9 °F68.3 °F0.52 in.
May44.5 °F76.6 °F0.46 in.
June53.1 °F87.4 °F0.26 in.
July60.9 °F90.2 °F2.33 in.
August59.7 °F88.2 °F2.43 in.
September52.3 °F83.1 °F1.74 in.
October40.7 °F73.5 °F0.86 in.
November30.4 °F62.2 °F0.79 in.
December24.1 °F52.1 °F1.36 in.
Annual40.5 °F71 °F15.36 in.

Climate Data for Williamson Arizona

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7b : 5°F to 10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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