Atascadero California Climate Data

Monthly Average Climate Data for Atascadero California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.8 °C16.6 °C127.51 mm
February3.4 °C17.4 °C123.19 mm
March4.6 °C19.2 °C101.09 mm
April5.1 °C21 °C33.78 mm
May7.1 °C23.4 °C12.45 mm
June9.3 °C27.9 °C2.29 mm
July11.4 °C30.1 °C1.02 mm
August11.1 °C30.9 °C0.51 mm
September9.7 °C29.6 °C2.29 mm
October7.3 °C25.8 °C24.89 mm
November4.3 °C20.7 °C44.2 mm
December2.2 °C16.4 °C94.74 mm
Annual6.5 °C23.3 °C567.96 mm

Climate Data for Atascadero California

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost30-40 Days
Plant Hardiness Zone - 2023Zone 9a : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 9a : -6.7°C to -3.9°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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