Washington California Climate Data

Monthly Average Climate Data for Washington California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January33.5 °F51.8 °F10.31 in.
February34.3 °F55.3 °F9.69 in.
March36.4 °F59.8 °F8.94 in.
April39.2 °F64.2 °F4.95 in.
May45.4 °F73.0 °F3.06 in.
June51.0 °F82.7 °F0.88 in.
July57.5 °F90.7 °F0.06 in.
August56.8 °F90.4 °F0.14 in.
September52.4 °F85.2 °F0.53 in.
October44.7 °F73.9 °F2.9 in.
November37.3 °F59.6 °F6.08 in.
December33.7 °F50.7 °F11.38 in.
Annual43.5 °F69.8 °F58.92 in.

Climate Data for Washington California

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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