August weather in Stewartville, MN
The average temperature in Stewartville in August is 68.2°F (58.3°F–78.0°F). Average precipitation: 4.12 inches.
August is a summer month in Stewartville, and is warmer than the annual average of 44.8°F. Daily temperatures swing about 19.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 49m. For travel, August is a comfortable month to visit.
Avg High
78.0°F
Avg Low
58.3°F
Precipitation
4.12 in
Daylight
13h 49m
August records in Stewartville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (1988) | 37.9°F (1920) | 3.27 in (1931) |
| August 2 | 98.1°F (1988) | 39.9°F (1920) | 1.97 in (1939) |
| August 3 | 100.0°F (1930) | 45.0°F (1978) | 2.01 in (2017) |
| August 4 | 100.0°F (1947) | 42.1°F (1912) | 2.30 in (1979) |
| August 5 | 99.0°F (1947) | 42.1°F (1948) | 1.22 in (2024) |
| August 6 | 93.9°F (1909) | 43.0°F (1910) | 2.37 in (1969) |
| August 7 | 95.0°F (1916) | 44.1°F (1972) | 2.02 in (1991) |
| August 8 | 97.0°F (1934) | 45.0°F (1932) | 2.94 in (1942) |
| August 9 | 99.0°F (1936) | 43.0°F (1972) | 3.06 in (2025) |
| August 10 | 96.1°F (1947) | 44.1°F (1930) | 2.93 in (1994) |
| August 11 | 95.0°F (1947) | 41.0°F (1946) | 2.36 in (1937) |
| August 12 | 95.0°F (1947) | 43.0°F (1946) | 2.04 in (1909) |
| August 13 | 96.1°F (1918) | 39.9°F (1933) | 1.95 in (2010) |
| August 14 | 91.0°F (1955) | 37.0°F (1964) | 1.48 in (1909) |
| August 15 | 100.0°F (1936) | 39.0°F (1929) | 1.95 in (1893) |
| August 16 | 99.0°F (1913) | 39.0°F (1933) | 2.11 in (1946) |
| August 17 | 99.0°F (1955) | 45.0°F (1962) | 1.17 in (2025) |
| August 18 | 99.0°F (1936) | 42.1°F (1915) | 5.16 in (2007) |
| August 19 | 98.1°F (1916) | 39.9°F (1929) | 2.16 in (1990) |
| August 20 | 96.1°F (1916) | 35.1°F (1950) | 1.84 in (1947) |
| August 21 | 97.0°F (1947) | 39.0°F (2004) | 2.09 in (1979) |
| August 22 | 96.1°F (1916) | 37.9°F (1920) | 2.43 in (1973) |
| August 23 | 100.0°F (1948) | 37.0°F (1920) | 1.26 in (1943) |
| August 24 | 100.0°F (1948) | 34.0°F (1934) | 2.77 in (2006) |
| August 25 | 97.0°F (1948) | 36.0°F (1958) | 2.69 in (1983) |
| August 26 | 95.0°F (1948) | 33.1°F (1934) | 2.15 in (2000) |
| August 27 | 93.0°F (1956) | 39.0°F (1941) | 3.51 in (2021) |
| August 28 | 96.1°F (1955) | 36.0°F (1893) | 2.19 in (1979) |
| August 29 | 91.9°F (1941) | 34.0°F (1935) | 2.39 in (1956) |
| August 30 | 96.1°F (1941) | 32.0°F (1915) | 2.12 in (1962) |
| August 31 | 93.0°F (1953) | 37.9°F (1967) | 2.01 in (2020) |