Chico Washington Climate Data

Monthly Average Climate Data for Chico Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.3 °C8.5 °C196.09 mm
February2.2 °C9.9 °C119.38 mm
March3.4 °C12.2 °C133.86 mm
April5.2 °C15.2 °C85.85 mm
May8.2 °C19.1 °C53.59 mm
June10.6 °C21.3 °C40.39 mm
July12.6 °C24.8 °C21.08 mm
August12.7 °C25.2 °C26.42 mm
September10.6 °C22.2 °C46.99 mm
October7.3 °C16.1 °C118.87 mm
November4.1 °C10.9 °C197.87 mm
December2.2 °C8 °C214.12 mm
Annual6.8 °C16.1 °C1254.51 mm

Climate Data for Chico Washington

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost40-50 Days
Plant Hardiness Zone - 2023Zone 9a : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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