Ukiah California Climate Data

Monthly Average Climate Data for Ukiah California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January37.5 °F57.4 °F7.73 in.
February38.4 °F60.3 °F6.91 in.
March40.5 °F64.8 °F5.42 in.
April42.6 °F68.6 °F2.69 in.
May47.0 °F76.1 °F1.43 in.
June51.8 °F84.1 °F0.37 in.
July55.3 °F92.4 °F0.03 in.
August54.1 °F92.1 °F0.08 in.
September50.9 °F88.2 °F0.13 in.
October45.6 °F77.6 °F1.77 in.
November40.3 °F64.0 °F4.12 in.
December36.6 °F56.6 °F8.03 in.
Annual45.1 °F73.5 °F38.71 in.

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 : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate