San Tan Valley Arizona Climate Data

Monthly Average Climate Data for San Tan Valley Arizona

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January41.3 °F66.7 °F1.3 in.
February43.6 °F69.9 °F1.04 in.
March47.9 °F76.4 °F1.17 in.
April53.5 °F83.7 °F0.33 in.
May62.5 °F93.0 °F0.18 in.
June71.5 °F102.4 °F0.05 in.
July78.3 °F104.1 °F0.77 in.
August77.8 °F103.0 °F0.98 in.
September72.1 °F98.7 °F0.61 in.
October60.0 °F88.3 °F0.43 in.
November48.7 °F75.9 °F0.62 in.
December41.4 °F65.7 °F1.29 in.
Annual58.2 °F85.7 °F8.77 in.

Climate Data for San Tan Valley Arizona

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateMar. 1 - Mar. 10
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSh - Hot Semi-Arid Climate