El Cajon California Climate Data

Monthly Average Climate Data for El Cajon California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January44.5 °F68.0 °F2.43 in.
February45.6 °F68.3 °F2.95 in.
March48.4 °F69.2 °F2.0 in.
April50.8 °F73.3 °F0.86 in.
May55.3 °F75.4 °F0.36 in.
June58.7 °F80.0 °F0.06 in.
July62.5 °F85.1 °F0.09 in.
August63.8 °F87.1 °F0.03 in.
September62.0 °F85.9 °F0.14 in.
October56.3 °F80.7 °F0.52 in.
November49.1 °F73.3 °F1.04 in.
December44.0 °F67.5 °F2.07 in.
Annual53.4 °F76.2 °F12.55 in.

Climate Data for El Cajon California

Average First Frost DateDec. 21 - Dec. 31
Average Last Frost DateJan. 21 - Jan. 31
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 ClassificationCsb - Warm-Summer Mediterranean Climate
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