August weather in Sedro-Woolley, WA
The average temperature in Sedro-Woolley in August is 64.0°F (52.9°F–75.2°F). Average precipitation: 1.60 inches.
August is a summer month in Sedro-Woolley, and is warmer than the annual average of 51.3°F. Daily temperatures swing about 22.3°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 14h 9m. For travel, August is one of the best months of the year to visit.
Avg High
75.2°F
Avg Low
52.9°F
Precipitation
1.60 in
Daylight
14h 9m
August records in Sedro-Woolley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 93.9°F (1898) | 39.0°F (2006) | 0.45 in (1919) |
| August 2 | 89.1°F (1917) | 37.9°F (1908) | 0.58 in (2013) |
| August 3 | 87.1°F (2009) | 39.9°F (1900) | 0.53 in (1962) |
| August 4 | 88.0°F (1908) | 37.0°F (1900) | 1.54 in (1962) |
| August 5 | 90.0°F (1898) | 37.0°F (1909) | 0.89 in (2002) |
| August 6 | 95.0°F (1908) | 36.0°F (1909) | 0.56 in (1984) |
| August 7 | 88.0°F (1908) | 37.0°F (1909) | 1.55 in (1992) |
| August 8 | 95.0°F (1960) | 39.9°F (1909) | 0.94 in (1912) |
| August 9 | 97.0°F (1960) | 42.1°F (1904) | 0.60 in (1991) |
| August 10 | 90.0°F (1981) | 39.0°F (1908) | 0.84 in (1918) |
| August 11 | 89.1°F (1971) | 39.9°F (1904) | 0.53 in (2009) |
| August 12 | 90.0°F (1952) | 39.9°F (1910) | 1.34 in (1978) |
| August 13 | 90.0°F (1914) | 39.0°F (1955) | 0.96 in (1965) |
| August 14 | 88.0°F (1977) | 39.9°F (1955) | 1.20 in (1899) |
| August 15 | 88.0°F (1923) | 41.0°F (1898) | 1.55 in (1912) |
| August 16 | 91.9°F (1910) | 39.0°F (1906) | 1.35 in (2025) |
| August 17 | 93.0°F (1967) | 35.1°F (1918) | 1.25 in (2005) |
| August 18 | 91.9°F (1977) | 39.0°F (1906) | 0.88 in (1926) |
| August 19 | 87.1°F (2022) | 39.9°F (1904) | 1.43 in (2000) |
| August 20 | 87.1°F (2015) | 36.0°F (1945) | 1.97 in (1911) |
| August 21 | 87.1°F (1897) | 39.0°F (1947) | 1.03 in (2008) |
| August 22 | 88.0°F (1908) | 39.9°F (1919) | 2.72 in (2004) |
| August 23 | 86.0°F (2017) | 39.0°F (1909) | 1.67 in (1975) |
| August 24 | 89.1°F (1933) | 34.0°F (1910) | 1.08 in (1977) |
| August 25 | 90.0°F (1916) | 37.9°F (1902) | 2.67 in (2004) |
| August 26 | 87.1°F (1934) | 39.0°F (1905) | 0.97 in (1968) |
| August 27 | 89.1°F (2016) | 39.0°F (1957) | 1.62 in (1984) |
| August 28 | 86.0°F (1936) | 39.9°F (1909) | 1.22 in (1908) |
| August 29 | 90.0°F (1967) | 37.0°F (1902) | 1.20 in (1920) |
| August 30 | 89.1°F (1944) | 34.0°F (1909) | 0.72 in (1990) |
| August 31 | 84.9°F (2022) | 35.1°F (1909) | 2.01 in (1927) |