Roseburg, OR

Climate overview — based on NOAA 1991-2020 normals from ROSEBURG RGNL AP, OR US.

Csb Warm-summer Mediterranean climate 9a USDA hardiness Zone 9a

Year-round temperatures (°F)

30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Roseburg has an annual average temperature of 55.9°F with about 32.1 inches of precipitation per year. The warmest month is August (average high 85.9°F), and the coldest is December (average low 36.8°F). December is typically the wettest month (6.05 in) and August the driest (0.23 in).

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
29.1°F
warmest to coldest month
Heating need
3,705
Cooling need
426

Best time to visit Roseburg

Full guide →

Climate change signal

All-time records →

98 of 366 (26.8%) of Roseburg's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1890s
0
1900s
0
1930s
62
1940s
68
1950s
37
1960s
28
1990s
9
2000s
52
2010s
53
2020s
57

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 50.1°F 37.1°F 43.6°F 4.82 in 18
February 53.7°F 37.6°F 45.7°F 3.62 in 17
March 58.7°F 39.6°F 49.2°F 3.47 in 17
April 63.3°F 42.5°F 52.9°F 2.71 in 15
May 71.0°F 47.9°F 59.5°F 2.09 in 11
June 76.7°F 52.5°F 64.6°F 0.93 in 6
July 85.8°F 57.4°F 71.6°F 0.26 in 1
August 85.9°F 57.1°F 71.5°F 0.23 in 2
September 80.1°F 52.2°F 66.1°F 0.85 in 5
October 66.9°F 45.2°F 56.1°F 2.32 in 12
November 54.2°F 40.6°F 47.4°F 4.72 in 18
December 48.2°F 36.8°F 42.5°F 6.05 in 20

Climate twins of Roseburg

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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