Grandview Washington Climate Data

Monthly Average Climate Data for Grandview Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January26.6 °F39.7 °F1.07 in.
February27.9 °F47.0 °F0.73 in.
March32.3 °F56.4 °F0.6 in.
April36.8 °F64.0 °F0.61 in.
May44.5 °F73.4 °F0.72 in.
June50.0 °F79.9 °F0.66 in.
July55.0 °F89.0 °F0.26 in.
August54.0 °F87.8 °F0.2 in.
September47.1 °F78.7 °F0.26 in.
October38.3 °F64.4 °F0.79 in.
November30.6 °F49.4 °F0.88 in.
December26.0 °F39.1 °F1.06 in.
Annual39.1 °F64.1 °F7.84 in.

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 : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBWk - Cold Desert Climate