Corvallis Oregon Climate Data

Monthly Average Climate Data for Corvallis Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.7 °C8.6 °C159 mm
February1.8 °C10.7 °C121.92 mm
March2.9 °C13.3 °C120.4 mm
April4.6 °C15.9 °C82.55 mm
May7.2 °C19.7 °C53.34 mm
June9.4 °C22.9 °C34.04 mm
July11.6 °C27.7 °C8.13 mm
August11.4 °C28.1 °C9.65 mm
September9.2 °C24.9 °C33.78 mm
October6 °C17.9 °C82.8 mm
November3.6 °C11.7 °C153.67 mm
December1.5 °C8 °C187.96 mm
Annual5.9 °C17.5 °C1047.24 mm

Climate Data for Corvallis Oregon

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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