Alturas California Climate Data

Monthly Average Climate Data for Alturas California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.2 °C6.3 °C34.8 mm
February-5.2 °C8.1 °C27.43 mm
March-3.4 °C11.2 °C36.83 mm
April-1.5 °C14.2 °C32.26 mm
May2.2 °C19.4 °C39.62 mm
June5.3 °C25.1 °C16 mm
July8.3 °C31.4 °C6.6 mm
August7.1 °C30.6 °C7.37 mm
September3.2 °C26.4 °C7.87 mm
October-1.3 °C18.9 °C18.8 mm
November-4.3 °C10.6 °C34.54 mm
December-6.7 °C5.3 °C37.59 mm
Annual-0.2 °C17.3 °C299.71 mm

Climate Data for Alturas California

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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