Rohnert Park California Climate Data

Monthly Average Climate Data for Rohnert Park California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January37.7 °F57.3 °F6.23 in.
February39.1 °F60.8 °F6.24 in.
March40.9 °F64.1 °F4.12 in.
April42.4 °F66.7 °F1.96 in.
May45.8 °F71.2 °F1.25 in.
June49.2 °F77.2 °F0.31 in.
July51.3 °F79.9 °F0.03 in.
August51.5 °F80.4 °F0.11 in.
September49.4 °F80.7 °F0.12 in.
October45.6 °F75.7 °F1.46 in.
November40.6 °F65.3 °F3.3 in.
December37.0 °F57.4 °F6.16 in.
Annual44.2 °F69.7 °F31.29 in.

Climate Data for Rohnert Park California

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 21 - Mar. 31
Average Days With Frost20-30 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate