Pasco Washington Climate Data

Monthly Average Climate Data for Pasco Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-1.9 °C5.3 °C29.46 mm
February-1.3 °C8.8 °C20.57 mm
March1.4 °C14.3 °C17.78 mm
April4.5 °C18.8 °C17.02 mm
May8.6 °C23.8 °C19.05 mm
June12.1 °C27.6 °C16 mm
July15.2 °C32.7 °C4.83 mm
August14.7 °C32.1 °C4.83 mm
September10.3 °C26.8 °C6.86 mm
October5 °C18.7 °C18.03 mm
November0.8 °C10.4 °C23.37 mm
December-1.9 °C5 °C29.46 mm
Annual5.6 °C18.7 °C207.26 mm

Climate Data for Pasco Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 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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