Porterville California Climate Data

Monthly Average Climate Data for Porterville California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January3.4 °C14.2 °C54.1 mm
February4.7 °C17.2 °C45.97 mm
March6.6 °C20.6 °C46.48 mm
April8.3 °C23.9 °C26.92 mm
May11.9 °C28.8 °C11.43 mm
June15.2 °C33.5 °C2.54 mm
July18.5 °C36.4 °C1.02 mm
August17.7 °C35.9 °C1.02 mm
September15.2 °C33.3 °C1.52 mm
October10.5 °C27.1 °C13.46 mm
November5.7 °C19.4 °C23.11 mm
December2.7 °C14.1 °C45.47 mm
Annual10 °C25.4 °C273.04 mm

Climate Data for Porterville 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 9b : -3.9°C to -1.1°C
Plant Hardiness Zone - 2012Zone 9b : -3.9°C to -1.1°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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