Riverbend Washington Climate Data

Monthly Average Climate Data for Riverbend Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January34.2 °F45.5 °F10.56 in.
February34.2 °F48.6 °F7.26 in.
March36.3 °F52.8 °F8.23 in.
April39.7 °F57.8 °F7.03 in.
May45.4 °F64.5 °F4.36 in.
June49.6 °F68.5 °F3.54 in.
July53.3 °F75.5 °F1.44 in.
August53.4 °F76.7 °F1.46 in.
September49.2 °F70.8 °F3.34 in.
October42.9 °F59.8 °F7.57 in.
November37.7 °F50.3 °F11.0 in.
December33.7 °F44.3 °F9.45 in.
Annual42.5 °F59.6 °F75.24 in.

Climate Data for Riverbend Washington

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 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 ClassificationCfb - Temperate Oceanic Climate
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