Cottage Grove Oregon Climate Data

Monthly Average Climate Data for Cottage Grove Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January34.5 °F48.4 °F6.52 in.
February34.8 °F52.1 °F5.0 in.
March36.5 °F56.6 °F5.15 in.
April39.5 °F61.1 °F4.45 in.
May44.3 °F67.9 °F2.91 in.
June48.4 °F73.3 °F1.7 in.
July52.2 °F82.0 °F0.4 in.
August51.7 °F83.0 °F0.48 in.
September47.8 °F77.3 °F1.52 in.
October42.5 °F65.2 °F3.58 in.
November38.2 °F53.4 °F6.64 in.
December34.4 °F46.7 °F7.59 in.
Annual42.1 °F63.9 °F45.94 in.

Climate Data for Cottage Grove Oregon

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 11 - May 20
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate