Deep River Washington Climate Data

Monthly Average Climate Data for Deep River Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.1 °C9.1 °C406.15 mm
February1.6 °C10.6 °C249.68 mm
March2.6 °C12.3 °C282.45 mm
April3.9 °C14.9 °C196.09 mm
May6.7 °C17.7 °C106.93 mm
June8.9 °C19.7 °C86.11 mm
July10.9 °C22.3 °C27.43 mm
August10.9 °C23.3 °C40.64 mm
September9.1 °C22.2 °C96.01 mm
October5.8 °C17.2 °C241.55 mm
November3.3 °C11.7 °C395.48 mm
December1.7 °C8.7 °C407.67 mm
Annual5.6 °C15.8 °C2536.19 mm

Climate Data for Deep 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