Coos Bay Oregon Climate Data

Monthly Average Climate Data for Coos Bay Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January40.0 °F53.2 °F9.81 in.
February39.8 °F54.2 °F7.52 in.
March40.6 °F55.0 °F7.75 in.
April42.6 °F57.4 °F5.59 in.
May46.5 °F60.8 °F3.57 in.
June50.1 °F64.3 °F1.92 in.
July52.3 °F66.0 °F0.41 in.
August52.2 °F67.4 °F0.49 in.
September49.8 °F67.4 °F1.69 in.
October46.5 °F63.2 °F4.61 in.
November42.5 °F56.8 °F8.6 in.
December39.6 °F52.6 °F11.67 in.
Annual45.2 °F59.9 °F63.63 in.

Climate Data for Coos Bay Oregon

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate