Fort Irwin California Climate Data

Monthly Average Climate Data for Fort Irwin California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.1 °C14.9 °C19.05 mm
February3.8 °C16.6 °C27.94 mm
March6.3 °C20.2 °C16.76 mm
April8.9 °C23.7 °C3.56 mm
May13.2 °C28.7 °C2.03 mm
June17.8 °C34.5 °C0.51 mm
July21.9 °C37.6 °C4.83 mm
August21 °C37.1 °C3.56 mm
September17.9 °C33.2 °C4.57 mm
October10.9 °C26.5 °C5.08 mm
November4.1 °C19.7 °C6.35 mm
December1.2 °C14.1 °C13.46 mm
Annual10.8 °C25.6 °C107.7 mm

Climate Data for Fort Irwin California

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost20-30 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 9a : -6.7°C to -3.9°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSh - Hot Semi-Arid Climate
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