Grays River Washington Climate Data

Monthly Average Climate Data for Grays River Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.9 °C9 °C410.21 mm
February1.4 °C10.6 °C248.92 mm
March2.4 °C12.3 °C289.81 mm
April3.8 °C14.8 °C198.63 mm
May6.6 °C17.9 °C109.22 mm
June8.8 °C19.8 °C89.41 mm
July10.8 °C22.9 °C27.69 mm
August10.8 °C23.6 °C44.2 mm
September8.9 °C22.2 °C100.08 mm
October5.8 °C16.9 °C246.89 mm
November3.2 °C11.6 °C396.49 mm
December1.6 °C8.6 °C409.19 mm
Annual5.5 °C15.9 °C2570.74 mm

Climate Data for Grays River Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 11 - May 20
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate