Alsea Oregon Climate Data

Monthly Average Climate Data for Alsea Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.5 °C8 °C273.05 mm
February1.5 °C10 °C217.17 mm
March2.5 °C12.4 °C220.73 mm
April3.8 °C15.6 °C131.32 mm
May6.4 °C19.1 °C84.84 mm
June8.4 °C21.8 °C48.51 mm
July10.2 °C26.3 °C10.67 mm
August10.3 °C26.4 °C12.7 mm
September8.7 °C23.7 °C54.86 mm
October5.9 °C16.8 °C129.79 mm
November3.3 °C10.9 °C266.45 mm
December1.3 °C7.4 °C311.66 mm
Annual5.3 °C16.5 °C1761.75 mm

Climate Data for Alsea Oregon

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost40-50 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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