Oregon City Oregon Climate Data

Monthly Average Climate Data for Oregon City Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January36.3 °F47.3 °F6.41 in.
February36.8 °F51.2 °F4.51 in.
March39.1 °F56.2 °F4.86 in.
April42.5 °F61.6 °F3.83 in.
May47.9 °F68.8 °F2.39 in.
June52.1 °F74.0 °F1.65 in.
July56.1 °F81.9 °F0.42 in.
August56.2 °F82.4 °F0.6 in.
September51.9 °F76.5 °F1.5 in.
October45.7 °F64.4 °F3.91 in.
November40.2 °F53.1 °F6.69 in.
December36.0 °F46.5 °F7.5 in.
Annual45.1 °F63.7 °F44.27 in.

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 : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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