Grand Terrace California Climate Data

Monthly Average Climate Data for Grand Terrace California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January6.1 °C19.6 °C59.18 mm
February6.6 °C19.8 °C66.8 mm
March8 °C21.7 °C43.18 mm
April9.4 °C24.1 °C14.99 mm
May12.2 °C26.6 °C5.59 mm
June14.4 °C30.6 °C2.03 mm
July17.1 °C34.3 °C1.02 mm
August17.6 °C35.1 °C1.02 mm
September16.1 °C33.3 °C2.29 mm
October12.4 °C28.3 °C11.18 mm
November8.3 °C23.4 °C15.49 mm
December5.6 °C19.2 °C39.12 mm
Annual11.2 °C26.3 °C261.89 mm

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 : -1.1°C to 1.7°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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