Upper Lake California Climate Data

Monthly Average Climate Data for Upper Lake California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.2 °C13 °C178.56 mm
February1.7 °C15.1 °C163.83 mm
March2.7 °C17.4 °C119.13 mm
April4.2 °C20.3 °C65.28 mm
May6.7 °C24.6 °C38.61 mm
June9 °C29.3 °C10.67 mm
July11.6 °C33.9 °C1.02 mm
August10.8 °C33.6 °C1.78 mm
September8.4 °C31.1 °C3.05 mm
October5.5 °C25.1 °C44.45 mm
November2.7 °C16.9 °C88.14 mm
December0.6 °C12.8 °C194.82 mm
Annual5.4 °C22.8 °C909.34 mm

Climate Data for Upper Lake California

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost30-40 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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