Penngrove California Climate Data

Monthly Average Climate Data for Penngrove California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January38.1 °F57.0 °F5.9 in.
February39.6 °F60.6 °F5.97 in.
March41.3 °F63.9 °F4.1 in.
April42.8 °F66.1 °F1.93 in.
May46.2 °F70.7 °F1.19 in.
June49.6 °F76.7 °F0.28 in.
July51.6 °F79.9 °F0.02 in.
August52.0 °F80.4 °F0.08 in.
September49.9 °F80.5 °F0.13 in.
October46.3 °F75.3 °F1.41 in.
November41.0 °F65.0 °F3.19 in.
December37.6 °F57.2 °F5.94 in.
Annual44.7 °F69.4 °F30.14 in.

Climate Data for Penngrove California

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 1 - Mar. 10
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 ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
2024 plantmaps.com