Fountain Valley California Climate Data

Monthly Average Climate Data for Fountain Valley California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January46.9 °F67.2 °F2.86 in.
February48.0 °F67.0 °F3.14 in.
March50.6 °F68.1 °F1.69 in.
April52.7 °F70.1 °F0.59 in.
May57.0 °F71.5 °F0.26 in.
June60.5 °F74.2 °F0.08 in.
July63.8 °F78.5 °F0.06 in.
August64.4 °F80.7 °F0.0 in.
September62.9 °F80.4 °F0.1 in.
October58.2 °F76.8 °F0.45 in.
November51.2 °F72.1 °F0.72 in.
December46.4 °F66.9 °F2.08 in.
Annual55.2 °F72.8 °F12.03 in.

Climate Data for Fountain Valley California

Average First Frost DateNo Frost
Average Last Frost Date
Average Days With FrostFrost Free
Plant Hardiness Zone - 2023Zone 10b : 35°F to 30°F
Plant Hardiness Zone - 2012Zone 10b : 35°F to 30°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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