West Pasco Washington Climate Data

Monthly Average Climate Data for West Pasco Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-1.9 °C5.3 °C31.24 mm
February-1.4 °C8.8 °C21.59 mm
March1.4 °C14.3 °C17.02 mm
April4.6 °C18.9 °C17.53 mm
May8.7 °C23.9 °C22.61 mm
June12.3 °C27.7 °C16.76 mm
July15.4 °C32.9 °C5.33 mm
August14.9 °C32.3 °C5.08 mm
September10.4 °C26.9 °C6.86 mm
October5.1 °C18.7 °C17.02 mm
November0.9 °C10.4 °C23.11 mm
December-2 °C5 °C29.97 mm
Annual5.7 °C18.8 °C214.12 mm

Climate Data for West Pasco Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 7b : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBWk - Cold Desert Climate
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