Pomona California Climate Data

Monthly Average Climate Data for Pomona California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January6.7 °C19.8 °C91.19 mm
February7.1 °C20 °C110.24 mm
March8.3 °C21.6 °C65.53 mm
April9.6 °C23.3 °C19.3 mm
May12.1 °C25.3 °C9.65 mm
June14.1 °C28.3 °C2.79 mm
July16.6 °C32 °C1.52 mm
August16.9 °C33.2 °C0.25 mm
September15.9 °C31.5 °C3.3 mm
October12.8 °C27.4 °C17.78 mm
November8.9 °C23.4 °C22.86 mm
December6.3 °C19.3 °C67.06 mm
Annual11.3 °C25.4 °C411.47 mm

Climate Data for Pomona California

Average First Frost DateJan. 11 - Jan. 20
Average Last Frost DateFeb. 1 - Feb. 10
Average Days With FrostFrost Rare
Plant Hardiness Zone - 2023Zone 10a : -1.1°C to 1.7°C
Plant Hardiness Zone - 2012Zone 10a : -1.1°C to 1.7°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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