August weather in Roseburg, OR
The average temperature in Roseburg in August is 71.5°F (57.1°F–85.9°F). Average precipitation: 0.23 inches.
August is a summer month in Roseburg, and is warmer than the annual average of 55.9°F. Daily temperatures swing about 28.8°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 13h 47m. For travel, August is a comfortable month to visit.
Avg High
85.9°F
Avg Low
57.1°F
Precipitation
0.23 in
Daylight
13h 47m
August records in Roseburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (2017) | 44.1°F (1937) | 0.25 in (1956) |
| August 2 | 108.0°F (2017) | 41.0°F (1956) | 0.09 in (1934) |
| August 3 | 108.0°F (2017) | 42.1°F (1956) | 0.17 in (1947) |
| August 4 | 102.0°F (1932) | 46.0°F (1934) | 0.15 in (1933) |
| August 5 | 99.0°F (1940) | 46.9°F (1948) | 0.28 in (1957) |
| August 6 | 98.1°F (1932) | 46.0°F (1931) | 0.33 in (1962) |
| August 7 | 102.9°F (1960) | 46.9°F (1946) | 0.14 in (1999) |
| August 8 | 102.0°F (1960) | 48.0°F (1931) | 0.06 in (1962) |
| August 9 | 100.0°F (2001) | 46.9°F (1957) | 0.05 in (2019) |
| August 10 | 102.9°F (2025) | 46.0°F (1956) | 0.59 in (2019) |
| August 11 | 105.1°F (2025) | 46.0°F (1932) | 0.00 in (1899) |
| August 12 | 106.0°F (1935) | 45.0°F (1957) | 0.29 in (1965) |
| August 13 | 107.1°F (2002) | 45.0°F (1949) | 0.11 in (1965) |
| August 14 | 109.0°F (2023) | 44.1°F (1955) | 0.90 in (1899) |
| August 15 | 109.0°F (2020) | 45.0°F (1937) | 0.09 in (1954) |
| August 16 | 108.0°F (2023) | 44.1°F (1935) | 0.13 in (2025) |
| August 17 | 100.9°F (2022) | 45.0°F (1935) | 0.01 in (2008) |
| August 18 | 102.0°F (2015) | 45.0°F (1963) | 0.16 in (1941) |
| August 19 | 107.1°F (2016) | 44.1°F (1964) | 0.96 in (2007) |
| August 20 | 100.9°F (2016) | 45.0°F (1947) | 0.07 in (1953) |
| August 21 | 100.0°F (1945) | 44.1°F (1947) | 0.44 in (2019) |
| August 22 | 100.9°F (1934) | 41.0°F (1955) | 0.45 in (1960) |
| August 23 | 102.0°F (2025) | 46.0°F (1955) | 0.85 in (2024) |
| August 24 | 100.0°F (2025) | 43.0°F (1963) | 0.42 in (1946) |
| August 25 | 102.9°F (2010) | 44.1°F (1955) | 0.57 in (1953) |
| August 26 | 99.0°F (1935) | 42.1°F (1955) | 0.12 in (1941) |
| August 27 | 102.9°F (2019) | 42.1°F (1957) | 0.28 in (1954) |
| August 28 | 102.0°F (2017) | 42.1°F (1960) | 0.32 in (1935) |
| August 29 | 100.9°F (1944) | 42.1°F (1957) | 0.81 in (1943) |
| August 30 | 100.9°F (2024) | 42.1°F (1965) | 0.34 in (1999) |
| August 31 | 100.0°F (1998) | 42.1°F (1957) | 0.44 in (1939) |