Montesano Washington Climate Data

Monthly Average Climate Data for Montesano Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.4 °C8.6 °C323.09 mm
February1.8 °C10 °C163.58 mm
March2.8 °C12.1 °C240.28 mm
April4.2 °C14.2 °C161.8 mm
May7 °C17.5 °C84.33 mm
June9.3 °C19.6 °C65.28 mm
July11.2 °C22.6 °C24.89 mm
August11.1 °C24.9 °C38.35 mm
September9.3 °C21.4 °C76.45 mm
October6.2 °C15.8 °C203.96 mm
November3.4 °C11 °C288.54 mm
December1.8 °C8 °C320.29 mm
Annual5.9 °C15.5 °C1990.84 mm

Climate Data for Montesano 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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