Kelseyville California Climate Data

Monthly Average Climate Data for Kelseyville California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.3 °C13.2 °C143.51 mm
February1.7 °C15.1 °C137.67 mm
March2.7 °C17.6 °C86.11 mm
April4.1 °C20.3 °C49.02 mm
May6.7 °C24.9 °C29.46 mm
June9.5 °C30 °C5.08 mm
July12.4 °C34.6 °C0.76 mm
August11.7 °C33.9 °C1.27 mm
September9.1 °C30.9 °C2.54 mm
October5.8 °C24.5 °C32.77 mm
November2.7 °C16.8 °C68.07 mm
December0.7 °C12.8 °C147.57 mm
Annual5.7 °C22.9 °C703.83 mm

Climate Data for Kelseyville California

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost30-40 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 9a : -6.7°C to -3.9°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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