Deep River Washington Climate Data

Monthly Average Climate Data for Deep River Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.8 °F48.4 °F15.99 in.
February34.8 °F51.1 °F9.83 in.
March36.6 °F54.1 °F11.12 in.
April39.1 °F58.9 °F7.72 in.
May44.1 °F63.8 °F4.21 in.
June48.1 °F67.5 °F3.39 in.
July51.6 °F72.1 °F1.08 in.
August51.7 °F74.0 °F1.6 in.
September48.3 °F72.0 °F3.78 in.
October42.5 °F63.0 °F9.51 in.
November38.0 °F53.0 °F15.57 in.
December35.1 °F47.6 °F16.05 in.
Annual42.1 °F60.5 °F99.85 in.

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 : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate