Alturas California Climate Data

Monthly Average Climate Data for Alturas California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.8 °F43.3 °F1.37 in.
February22.6 °F46.6 °F1.08 in.
March25.8 °F52.2 °F1.45 in.
April29.3 °F57.5 °F1.27 in.
May36.0 °F67.0 °F1.56 in.
June41.5 °F77.2 °F0.63 in.
July46.9 °F88.6 °F0.26 in.
August44.8 °F87.0 °F0.29 in.
September37.8 °F79.5 °F0.31 in.
October29.7 °F66.0 °F0.74 in.
November24.2 °F51.1 °F1.36 in.
December20.0 °F41.6 °F1.48 in.
Annual31.6 °F63.1 °F11.8 in.

Climate Data for Alturas California

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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