Roseburg Oregon Climate Data

Monthly Average Climate Data for Roseburg Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.6 °F49.4 °F5.17 in.
February35.9 °F53.5 °F3.74 in.
March37.6 °F58.4 °F4.03 in.
April40.5 °F63.2 °F2.96 in.
May45.5 °F70.6 °F2.2 in.
June50.2 °F77.2 °F1.03 in.
July54.4 °F85.9 °F0.3 in.
August53.8 °F86.7 °F0.3 in.
September49.1 °F80.8 °F0.89 in.
October43.3 °F67.4 °F2.46 in.
November39.6 °F54.7 °F5.02 in.
December35.6 °F47.8 °F6.3 in.
Annual43.4 °F66.3 °F34.4 in.

Climate Data for Roseburg 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 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate