Rosburg Washington Climate Data

Monthly Average Climate Data for Rosburg Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.2 °C9.2 °C385.32 mm
February1.7 °C10.6 °C232.41 mm
March2.7 °C12.1 °C267.97 mm
April4.1 °C15.1 °C185.67 mm
May6.8 °C17.8 °C105.41 mm
June9.1 °C19.9 °C86.87 mm
July11 °C22.4 °C27.43 mm
August11.1 °C23.5 °C39.88 mm
September9.1 °C22.3 °C90.42 mm
October6 °C17.3 °C228.85 mm
November3.4 °C11.8 °C383.79 mm
December1.8 °C8.8 °C384.3 mm
Annual5.8 °C15.9 °C2418.32 mm

Climate Data for Rosburg 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
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