Tustin California Climate Data

Monthly Average Climate Data for Tustin California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January7.9 °C19.9 °C71.88 mm
February8.4 °C19.8 °C84.07 mm
March9.8 °C20.7 °C48.01 mm
April11 °C22.9 °C18.03 mm
May13.4 °C23.8 °C7.62 mm
June15.4 °C25.8 °C2.29 mm
July17.3 °C28.4 °C1.52 mm
August17.7 °C29.6 °C0.25 mm
September16.7 °C29.3 °C3.3 mm
October14 °C26.8 °C12.19 mm
November10.2 °C22.8 °C20.83 mm
December7.6 °C19.7 °C57.66 mm
Annual12.5 °C24.1 °C327.65 mm

Climate Data for Tustin California

Average First Frost DateNo Frost
Average Last Frost Date
Average Days With FrostFrost Free
Plant Hardiness Zone - 2023Zone 10b : 1.7°C to 4.4°C
Plant Hardiness Zone - 2012Zone 10a : -1.1°C to 1.7°C
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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