Lake Bosworth Washington Climate Data

Monthly Average Climate Data for Lake Bosworth Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.7 °C6.9 °C206.25 mm
February1.8 °C8.6 °C133.35 mm
March3.1 °C10.9 °C150.11 mm
April4.9 °C14 °C114.3 mm
May7.9 °C17.9 °C80.26 mm
June10.1 °C20 °C82.55 mm
July12.2 °C24.2 °C32 mm
August12.6 °C24.7 °C29.97 mm
September10.4 °C21.2 °C72.39 mm
October7.1 °C15.4 °C151.38 mm
November3.6 °C9.6 °C191.77 mm
December1.6 °C6.6 °C166.37 mm
Annual6.4 °C15 °C1410.7 mm

Climate Data for Lake Bosworth Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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