Grand Terrace California Climate Data

Monthly Average Climate Data for Grand Terrace California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January43.0 °F67.2 °F2.33 in.
February43.8 °F67.6 °F2.63 in.
March46.4 °F71.0 °F1.7 in.
April49.0 °F75.3 °F0.59 in.
May53.9 °F79.9 °F0.22 in.
June57.9 °F87.0 °F0.08 in.
July62.8 °F93.7 °F0.04 in.
August63.6 °F95.2 °F0.04 in.
September61.0 °F91.9 °F0.09 in.
October54.4 °F82.9 °F0.44 in.
November47.0 °F74.2 °F0.61 in.
December42.0 °F66.5 °F1.54 in.
Annual52.1 °F79.4 °F10.31 in.

Climate Data for Grand Terrace California

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateFeb. 11 - Feb. 20
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 10a : 30°F to 25°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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