Jamestown California Climate Data

Monthly Average Climate Data for Jamestown California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January36.8 °F56.3 °F5.96 in.
February38.1 °F59.3 °F5.12 in.
March40.9 °F64.0 °F4.55 in.
April43.5 °F68.4 °F2.55 in.
May49.0 °F77.9 °F1.44 in.
June55.2 °F87.5 °F0.34 in.
July61.4 °F94.7 °F0.03 in.
August60.5 °F93.8 °F0.07 in.
September56.5 °F88.8 °F0.18 in.
October48.8 °F78.0 °F1.46 in.
November41.2 °F65.0 °F2.87 in.
December36.4 °F56.2 °F5.23 in.
Annual47.4 °F74.2 °F29.8 in.

Climate Data for Jamestown California

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost40-50 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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