Round Valley California Climate Data

Monthly Average Climate Data for Round Valley California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.6 °F53.0 °F0.95 in.
February27.9 °F55.2 °F1.06 in.
March32.3 °F62.0 °F0.59 in.
April37.0 °F68.6 °F0.27 in.
May44.4 °F77.3 °F0.3 in.
June52.7 °F88.1 °F0.12 in.
July58.9 °F94.5 °F0.13 in.
August57.2 °F93.0 °F0.11 in.
September50.2 °F85.7 °F0.09 in.
October40.4 °F74.4 °F0.28 in.
November30.7 °F61.5 °F0.46 in.
December25.1 °F52.2 °F0.79 in.
Annual40.2 °F72.1 °F5.15 in.

Climate Data for Round Valley California

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 8a : 10°F to 15°F
Plant Hardiness Zone - 2012Zone 7b : 5°F to 10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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