August weather in Mosier, OR
The average temperature in Mosier in August is 68.5°F (54.7°F–82.4°F). Average precipitation: 0.24 inches.
August is a summer month in Mosier, and is warmer than the annual average of 51.1°F. Daily temperatures swing about 27.7°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 13h 56m. For travel, August is a comfortable month to visit.
Avg High
82.4°F
Avg Low
54.7°F
Precipitation
0.24 in
Daylight
13h 56m
August records in Mosier
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.9°F (1913) | 39.9°F (1910) | 0.40 in (1918) |
| August 2 | 100.0°F (2015) | 39.9°F (1908) | 0.78 in (1989) |
| August 3 | 99.0°F (1904) | 42.1°F (1937) | 0.51 in (1956) |
| August 4 | 100.9°F (1901) | 43.0°F (1934) | 0.30 in (1933) |
| August 5 | 102.9°F (2005) | 39.9°F (1912) | 0.32 in (1943) |
| August 6 | 102.0°F (2008) | 42.1°F (1969) | 0.23 in (1976) |
| August 7 | 104.0°F (1972) | 39.9°F (1946) | 0.69 in (1962) |
| August 8 | 102.9°F (1981) | 39.0°F (1938) | 0.24 in (1900) |
| August 9 | 104.0°F (1981) | 42.1°F (1975) | 0.36 in (1899) |
| August 10 | 102.0°F (1996) | 43.0°F (1947) | 0.75 in (2019) |
| August 11 | 105.1°F (1981) | 42.1°F (1909) | 0.35 in (1922) |
| August 12 | 102.9°F (1977) | 37.0°F (1907) | 0.03 in (1922) |
| August 13 | 105.1°F (1977) | 41.0°F (1950) | 0.18 in (2014) |
| August 14 | 102.0°F (1901) | 39.0°F (1899) | 0.22 in (1925) |
| August 15 | 104.0°F (2023) | 37.9°F (1937) | 0.32 in (1948) |
| August 16 | 106.0°F (2008) | 37.9°F (1935) | 0.50 in (1912) |
| August 17 | 107.1°F (2008) | 42.1°F (1946) | 0.27 in (2024) |
| August 18 | 108.0°F (1977) | 41.0°F (1973) | 0.28 in (1975) |
| August 19 | 100.9°F (2016) | 37.0°F (1916) | 0.27 in (1979) |
| August 20 | 100.9°F (2009) | 28.9°F (1918) | 0.53 in (1965) |
| August 21 | 98.1°F (1958) | 41.0°F (1907) | 0.32 in (1979) |
| August 22 | 100.9°F (1913) | 36.0°F (1908) | 0.50 in (1923) |
| August 23 | 97.0°F (1915) | 39.9°F (1938) | 0.62 in (1975) |
| August 24 | 99.0°F (1999) | 37.0°F (1910) | 0.61 in (1997) |
| August 25 | 100.9°F (1958) | 37.9°F (1992) | 0.61 in (1968) |
| August 26 | 96.1°F (1922) | 39.9°F (1912) | 1.27 in (1977) |
| August 27 | 98.1°F (1986) | 39.9°F (1907) | 0.58 in (1968) |
| August 28 | 99.0°F (1915) | 37.9°F (1909) | 0.75 in (1920) |
| August 29 | 98.1°F (1998) | 36.0°F (1980) | 0.60 in (1912) |
| August 30 | 96.1°F (1944) | 37.9°F (1908) | 0.77 in (1983) |
| August 31 | 98.1°F (1987) | 35.1°F (1908) | 0.16 in (1946) |