Benton City Washington Climate Data

Monthly Average Climate Data for Benton City Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.2 °C4.8 °C27.94 mm
February-1.6 °C8.6 °C22.1 mm
March1.3 °C14.1 °C20.32 mm
April4.2 °C18.6 °C17.02 mm
May8.5 °C23.8 °C20.83 mm
June11.9 °C27.7 °C17.53 mm
July15 °C32.7 °C3.81 mm
August14.7 °C32.2 °C3.81 mm
September10.3 °C26.8 °C6.6 mm
October4.9 °C18.5 °C19.81 mm
November0.4 °C10.2 °C27.18 mm
December-2.3 °C4.7 °C31.5 mm
Annual5.4 °C18.6 °C218.45 mm

Climate Data for Benton City Washington

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
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 ConditionsNormal
Köppen Climate ClassificationBWk - Cold Desert Climate
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