Scappoose Oregon Climate Data

Monthly Average Climate Data for Scappoose Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.8 °C8.1 °C164.59 mm
February1.8 °C10.3 °C118.36 mm
March3.3 °C13.1 °C126.75 mm
April4.9 °C16.1 °C88.65 mm
May8.1 °C20 °C61.47 mm
June10.4 °C22.7 °C37.34 mm
July12.8 °C27 °C11.18 mm
August12.8 °C27.7 °C13.21 mm
September10.3 °C24.4 °C38.35 mm
October6.7 °C17.6 °C91.95 mm
November3.8 °C11.4 °C162.31 mm
December1.7 °C7.7 °C188.21 mm
Annual6.5 °C17.2 °C1102.37 mm

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 : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate