San Joaquin California Climate Data

Monthly Average Climate Data for San Joaquin California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January37.4 °F55.5 °F1.68 in.
February39.8 °F61.7 °F1.56 in.
March42.4 °F68.1 °F1.46 in.
April45.8 °F74.2 °F0.83 in.
May52.0 °F82.9 °F0.38 in.
June56.9 °F90.4 °F0.09 in.
July62.3 °F95.4 °F0.0 in.
August61.2 °F94.8 °F0.01 in.
September57.1 °F90.4 °F0.12 in.
October49.4 °F80.0 °F0.45 in.
November40.6 °F66.1 °F0.64 in.
December35.8 °F55.9 °F1.41 in.
Annual48.4 °F76.3 °F8.63 in.

Climate Data for San Joaquin California

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateFeb. 21 - Feb. 29
Average Days With Frost20-30 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBWk - Cold Desert Climate
2024 plantmaps.com