Casa Grande Arizona Climate Data

Monthly Average Climate Data for Casa Grande Arizona

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January38.4 °F66.7 °F0.98 in.
February41.4 °F70.3 °F0.92 in.
March46.1 °F77.0 °F0.9 in.
April51.7 °F84.6 °F0.26 in.
May60.5 °F93.8 °F0.2 in.
June69.2 °F103.4 °F0.11 in.
July77.4 °F104.9 °F0.82 in.
August76.8 °F103.3 °F1.38 in.
September70.1 °F98.9 °F0.61 in.
October57.4 °F88.7 °F0.55 in.
November45.4 °F76.1 °F0.5 in.
December37.9 °F65.6 °F0.88 in.
Annual56 °F86.1 °F8.11 in.

Climate Data for Casa Grande Arizona

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 1 - Mar. 10
Average Days With Frost20-30 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBWh - Hot Desert Climate