Cedar Mill Oregon Climate Data

Monthly Average Climate Data for Cedar Mill Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.9 °F47.1 °F5.98 in.
February35.9 °F50.9 °F4.47 in.
March38.4 °F55.8 °F4.61 in.
April41.3 °F61.3 °F3.32 in.
May46.9 °F68.3 °F2.55 in.
June50.9 °F73.2 °F1.7 in.
July54.9 °F81.1 °F0.42 in.
August55.0 °F81.7 °F0.54 in.
September50.8 °F75.8 °F1.52 in.
October44.5 °F63.6 °F3.73 in.
November39.2 °F52.5 °F6.13 in.
December35.3 °F46.0 °F7.15 in.
Annual44.1 °F63.1 °F42.12 in.

Climate Data for Cedar Mill Oregon

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost30-40 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
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