Porterville California Climate Data

Monthly Average Climate Data for Porterville California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January38.1 °F57.5 °F2.13 in.
February40.5 °F62.9 °F1.81 in.
March43.8 °F69.0 °F1.83 in.
April47.0 °F75.0 °F1.06 in.
May53.4 °F83.8 °F0.45 in.
June59.4 °F92.3 °F0.1 in.
July65.3 °F97.6 °F0.04 in.
August63.9 °F96.7 °F0.04 in.
September59.3 °F92.0 °F0.06 in.
October50.9 °F80.8 °F0.53 in.
November42.2 °F66.9 °F0.91 in.
December36.8 °F57.4 °F1.79 in.
Annual50.1 °F77.7 °F10.75 in.

Climate Data for Porterville 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 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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