Mill City Oregon Climate Data

Monthly Average Climate Data for Mill City Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January33.6 °F46.0 °F8.45 in.
February34.1 °F49.3 °F6.64 in.
March36.4 °F53.6 °F7.57 in.
April39.4 °F58.6 °F6.4 in.
May44.1 °F65.5 °F4.56 in.
June48.7 °F71.2 °F2.88 in.
July52.4 °F79.7 °F0.59 in.
August52.1 °F80.7 °F0.71 in.
September47.6 °F74.2 °F2.52 in.
October42.5 °F61.9 °F5.66 in.
November37.3 °F50.6 °F9.11 in.
December33.5 °F44.8 °F10.29 in.
Annual41.8 °F61.3 °F65.38 in.

Climate Data for Mill City Oregon

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 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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