Scappoose Oregon Climate Data

Monthly Average Climate Data for Scappoose Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.2 °F46.5 °F6.48 in.
February35.2 °F50.5 °F4.66 in.
March37.9 °F55.5 °F4.99 in.
April40.9 °F60.9 °F3.49 in.
May46.6 °F68.0 °F2.42 in.
June50.8 °F72.8 °F1.47 in.
July55.1 °F80.6 °F0.44 in.
August55.1 °F81.8 °F0.52 in.
September50.5 °F75.9 °F1.51 in.
October44.0 °F63.6 °F3.62 in.
November38.8 °F52.5 °F6.39 in.
December35.0 °F45.8 °F7.41 in.
Annual43.8 °F62.9 °F43.4 in.

Climate Data for Scappoose Oregon

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate