Ukiah California Climate Data

Monthly Average Climate Data for Ukiah California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January3.1 °C14.1 °C196.34 mm
February3.6 °C15.7 °C175.51 mm
March4.7 °C18.2 °C137.67 mm
April5.9 °C20.3 °C68.33 mm
May8.3 °C24.5 °C36.32 mm
June11 °C28.9 °C9.4 mm
July12.9 °C33.6 °C0.76 mm
August12.3 °C33.4 °C2.03 mm
September10.5 °C31.2 °C3.3 mm
October7.6 °C25.3 °C44.96 mm
November4.6 °C17.8 °C104.65 mm
December2.6 °C13.7 °C203.96 mm
Annual7.3 °C23.1 °C983.23 mm

Climate Data for Ukiah California

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateMar. 21 - Mar. 31
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 ClassificationCsa - Hot-Summer Mediterranean Climate
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