San Jacinto California Climate Data

Monthly Average Climate Data for San Jacinto California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January39.2 °F66.8 °F2.61 in.
February40.0 °F66.7 °F2.92 in.
March42.8 °F70.5 °F1.88 in.
April45.7 °F75.7 °F0.78 in.
May51.1 °F81.9 °F0.4 in.
June55.0 °F89.8 °F0.05 in.
July60.9 °F96.8 °F0.17 in.
August61.6 °F98.0 °F0.11 in.
September58.3 °F93.5 °F0.24 in.
October51.0 °F83.8 °F0.62 in.
November43.9 °F74.0 °F0.77 in.
December38.0 °F66.0 °F1.77 in.
Annual49 °F80.3 °F12.32 in.

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 : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate