Roseburg Oregon Climate Data

Monthly Average Climate Data for Roseburg Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2 °C9.7 °C131.32 mm
February2.2 °C11.9 °C95 mm
March3.1 °C14.7 °C102.36 mm
April4.7 °C17.3 °C75.18 mm
May7.5 °C21.4 °C55.88 mm
June10.1 °C25.1 °C26.16 mm
July12.4 °C29.9 °C7.62 mm
August12.1 °C30.4 °C7.62 mm
September9.5 °C27.1 °C22.61 mm
October6.3 °C19.7 °C62.48 mm
November4.2 °C12.6 °C127.51 mm
December2 °C8.8 °C160.02 mm
Annual6.3 °C19.1 °C873.76 mm

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 : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate