San Jacinto California Climate Data

Monthly Average Climate Data for San Jacinto California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January4 °C19.3 °C66.29 mm
February4.4 °C19.3 °C74.17 mm
March6 °C21.4 °C47.75 mm
April7.6 °C24.3 °C19.81 mm
May10.6 °C27.7 °C10.16 mm
June12.8 °C32.1 °C1.27 mm
July16.1 °C36 °C4.32 mm
August16.4 °C36.7 °C2.79 mm
September14.6 °C34.2 °C6.1 mm
October10.6 °C28.8 °C15.75 mm
November6.6 °C23.3 °C19.56 mm
December3.3 °C18.9 °C44.96 mm
Annual9.4 °C26.8 °C312.93 mm

Climate Data for San Jacinto California

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateMar. 1 - Mar. 10
Average Days With Frost20-30 Days
Plant Hardiness Zone - 2023Zone 9b : -3.9°C to -1.1°C
Plant Hardiness Zone - 2012Zone 9b : -3.9°C to -1.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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