Williamson Arizona Climate Data

Monthly Average Climate Data for Williamson Arizona

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4 °C11.7 °C40.89 mm
February-2.7 °C13.3 °C40.64 mm
March-0.1 °C16.7 °C35.56 mm
April2.7 °C20.2 °C13.21 mm
May6.9 °C24.8 °C11.68 mm
June11.7 °C30.8 °C6.6 mm
July16.1 °C32.3 °C59.18 mm
August15.4 °C31.2 °C61.72 mm
September11.3 °C28.4 °C44.2 mm
October4.8 °C23.1 °C21.84 mm
November-0.9 °C16.8 °C20.07 mm
December-4.4 °C11.2 °C34.54 mm
Annual4.7 °C21.7 °C390.13 mm

Climate Data for Williamson Arizona

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7b : -15°C to -12.2°C
Current Drought ConditionsExtreme Drought
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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