Grandview Washington Climate Data

Monthly Average Climate Data for Grandview Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3 °C4.3 °C27.18 mm
February-2.3 °C8.3 °C18.54 mm
March0.2 °C13.6 °C15.24 mm
April2.7 °C17.8 °C15.49 mm
May6.9 °C23 °C18.29 mm
June10 °C26.6 °C16.76 mm
July12.8 °C31.7 °C6.6 mm
August12.2 °C31 °C5.08 mm
September8.4 °C25.9 °C6.6 mm
October3.5 °C18 °C20.07 mm
November-0.8 °C9.7 °C22.35 mm
December-3.3 °C3.9 °C26.92 mm
Annual3.9 °C17.8 °C199.12 mm

Climate Data for Grandview Washington

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°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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