Thermal California Climate Data

Monthly Average Climate Data for Thermal California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January42.7 °F69.7 °F0.64 in.
February46.2 °F73.1 °F0.49 in.
March52.0 °F79.2 °F0.3 in.
April57.2 °F85.6 °F0.06 in.
May64.2 °F92.4 °F0.02 in.
June70.3 °F100.9 °F0.0 in.
July77.5 °F105.1 °F0.08 in.
August77.8 °F104.9 °F0.12 in.
September70.9 °F100.5 °F0.21 in.
October60.7 °F90.2 °F0.18 in.
November48.3 °F77.8 °F0.15 in.
December41.1 °F68.4 °F0.42 in.
Annual59.1 °F87.3 °F2.67 in.

Climate Data for Thermal California

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateFeb. 1 - Feb. 10
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBWh - Hot Desert Climate
2024 plantmaps.com