Tustin California Climate Data

Monthly Average Climate Data for Tustin California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January46.2 °F67.8 °F2.83 in.
February47.1 °F67.7 °F3.31 in.
March49.6 °F69.2 °F1.89 in.
April51.8 °F73.3 °F0.71 in.
May56.2 °F74.9 °F0.3 in.
June59.8 °F78.4 °F0.09 in.
July63.1 °F83.2 °F0.06 in.
August63.8 °F85.3 °F0.01 in.
September62.1 °F84.8 °F0.13 in.
October57.2 °F80.3 °F0.48 in.
November50.3 °F73.0 °F0.82 in.
December45.6 °F67.4 °F2.27 in.
Annual54.4 °F75.4 °F12.9 in.

Climate Data for Tustin California

Average First Frost DateNo Frost
Average Last Frost Date
Average Days With FrostFrost Free
Plant Hardiness Zone - 2023Zone 10b : 35°F to 30°F
Plant Hardiness Zone - 2012Zone 10a : 30°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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