Oregon City Oregon Climate Data

Monthly Average Climate Data for Oregon City Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.4 °C8.5 °C162.81 mm
February2.7 °C10.7 °C114.55 mm
March3.9 °C13.4 °C123.44 mm
April5.8 °C16.4 °C97.28 mm
May8.8 °C20.4 °C60.71 mm
June11.2 °C23.3 °C41.91 mm
July13.4 °C27.7 °C10.67 mm
August13.4 °C28 °C15.24 mm
September11.1 °C24.7 °C38.1 mm
October7.6 °C18 °C99.31 mm
November4.6 °C11.7 °C169.93 mm
December2.2 °C8.1 °C190.5 mm
Annual7.3 °C17.6 °C1124.45 mm

Climate Data for Oregon City Oregon

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost20-30 Days
Plant Hardiness Zone - 2023Zone 9a : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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