Penngrove California Climate Data

Monthly Average Climate Data for Penngrove California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January3.4 °C13.9 °C149.86 mm
February4.2 °C15.9 °C151.64 mm
March5.2 °C17.7 °C104.14 mm
April6 °C18.9 °C49.02 mm
May7.9 °C21.5 °C30.23 mm
June9.8 °C24.8 °C7.11 mm
July10.9 °C26.6 °C0.51 mm
August11.1 °C26.9 °C2.03 mm
September9.9 °C26.9 °C3.3 mm
October7.9 °C24.1 °C35.81 mm
November5 °C18.3 °C81.03 mm
December3.1 °C14 °C150.88 mm
Annual7 °C20.8 °C765.56 mm

Climate Data for Penngrove California

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost20-30 Days
Plant Hardiness Zone - 2023Zone 9a : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 9b : -3.9°C to -1.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
2024 plantmaps.com