O'Brien Oregon Climate Data

Monthly Average Climate Data for O'Brien Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-0.1 °C9.4 °C291.34 mm
February0.2 °C12.4 °C242.06 mm
March1 °C14.9 °C252.48 mm
April2.6 °C18.1 °C155.7 mm
May5.4 °C23 °C67.82 mm
June7.9 °C27.4 °C24.38 mm
July10.4 °C33.2 °C5.08 mm
August9.5 °C32.9 °C5.33 mm
September6.9 °C29.2 °C24.89 mm
October3.6 °C21.6 °C122.43 mm
November1.9 °C12.7 °C255.02 mm
December0.2 °C8.4 °C366.27 mm
Annual4.1 °C20.3 °C1812.8 mm

Climate Data for O'Brien Oregon

Average First Frost DateOct. 1 - Oct. 10
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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