Monroe Washington Climate Data

Monthly Average Climate Data for Monroe Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.6 °C8.2 °C165.61 mm
February1.6 °C9.8 °C114.81 mm
March2.9 °C12.1 °C133.1 mm
April5 °C14.9 °C111 mm
May7.9 °C18.6 °C82.04 mm
June10.3 °C20.8 °C67.31 mm
July11.9 °C24.2 °C29.97 mm
August11.9 °C24.7 °C29.97 mm
September9.8 °C21.6 °C67.82 mm
October6.5 °C15.6 °C123.7 mm
November3.5 °C10.7 °C186.44 mm
December1.4 °C7.7 °C177.04 mm
Annual6.2 °C15.7 °C1288.81 mm

Climate Data for Monroe Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
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
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