Rosburg Washington Climate Data

Monthly Average Climate Data for Rosburg Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January36.0 °F48.6 °F15.17 in.
February35.0 °F51.0 °F9.15 in.
March36.8 °F53.7 °F10.55 in.
April39.4 °F59.1 °F7.31 in.
May44.3 °F64.0 °F4.15 in.
June48.3 °F67.8 °F3.42 in.
July51.8 °F72.4 °F1.08 in.
August51.9 °F74.3 °F1.57 in.
September48.3 °F72.2 °F3.56 in.
October42.8 °F63.1 °F9.01 in.
November38.2 °F53.2 °F15.11 in.
December35.3 °F47.8 °F15.13 in.
Annual42.3 °F60.6 °F95.21 in.

Climate Data for Rosburg Washington

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