Pomona California Climate Data

Monthly Average Climate Data for Pomona California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January44.0 °F67.7 °F3.59 in.
February44.8 °F68.0 °F4.34 in.
March46.9 °F70.8 °F2.58 in.
April49.3 °F74.0 °F0.76 in.
May53.7 °F77.5 °F0.38 in.
June57.4 °F83.0 °F0.11 in.
July61.9 °F89.6 °F0.06 in.
August62.5 °F91.8 °F0.01 in.
September60.6 °F88.7 °F0.13 in.
October55.1 °F81.4 °F0.7 in.
November48.1 °F74.2 °F0.9 in.
December43.3 °F66.8 °F2.64 in.
Annual52.3 °F77.8 °F16.2 in.

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 : 30°F to 25°F
Plant Hardiness Zone - 2012Zone 10a : 30°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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