Fortuna California Climate Data

Monthly Average Climate Data for Fortuna California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January5.2 °C13.1 °C178.31 mm
February5.3 °C13.6 °C170.69 mm
March5.7 °C14.1 °C144.53 mm
April6.6 °C14.9 °C100.84 mm
May8.5 °C17.3 °C40.13 mm
June9.8 °C18.2 °C21.34 mm
July11.2 °C19.1 °C5.08 mm
August11.4 °C20.3 °C2.29 mm
September10.2 °C20.7 °C12.19 mm
October8.3 °C19.4 °C55.63 mm
November6.4 °C15.1 °C128.52 mm
December4.9 °C12.7 °C196.34 mm
Annual7.8 °C16.5 °C1055.89 mm

Climate Data for Fortuna California

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateMar. 1 - Mar. 10
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 9b : -3.9°C to -1.1°C
Plant Hardiness Zone - 2012Zone 9b : -3.9°C to -1.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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