Gridley California Climate Data

Monthly Average Climate Data for Gridley California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January39.0 °F55.6 °F4.75 in.
February41.5 °F60.8 °F4.18 in.
March43.8 °F66.2 °F3.73 in.
April46.6 °F72.2 °F1.74 in.
May53.2 °F80.7 °F1.38 in.
June58.8 °F88.3 °F0.35 in.
July61.8 °F93.6 °F0.01 in.
August60.0 °F92.4 °F0.04 in.
September56.3 °F88.3 °F0.37 in.
October49.7 °F78.5 °F1.15 in.
November42.5 °F64.5 °F2.57 in.
December38.5 °F55.5 °F5.19 in.
Annual49.3 °F74.7 °F25.46 in.

Climate Data for Gridley California

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateMar. 1 - Mar. 10
Average Days With Frost30-40 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 ClassificationCsa - Hot-Summer Mediterranean Climate
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