Alsea Oregon Climate Data

Monthly Average Climate Data for Alsea Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January34.7 °F46.4 °F10.75 in.
February34.7 °F50.0 °F8.55 in.
March36.5 °F54.3 °F8.69 in.
April38.8 °F60.0 °F5.17 in.
May43.5 °F66.3 °F3.34 in.
June47.2 °F71.2 °F1.91 in.
July50.3 °F79.4 °F0.42 in.
August50.6 °F79.6 °F0.5 in.
September47.7 °F74.6 °F2.16 in.
October42.6 °F62.3 °F5.11 in.
November37.9 °F51.7 °F10.49 in.
December34.4 °F45.3 °F12.27 in.
Annual41.6 °F61.8 °F69.36 in.

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 : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate