August weather in Owatonna, MN
The average temperature in Owatonna in August is 69.5°F (59.6°F–79.4°F). Average precipitation: 4.84 inches.
August is a summer month in Owatonna, and is warmer than the annual average of 44.8°F. Daily temperatures swing about 19.8°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 50m. For travel, August is a comfortable month to visit.
Avg High
79.4°F
Avg Low
59.6°F
Precipitation
4.84 in
Daylight
13h 50m
August records in Owatonna
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (1988) | 48.0°F (1968) | 3.27 in (2024) |
| August 2 | 98.1°F (1988) | 46.0°F (1971) | 4.18 in (2006) |
| August 3 | 98.1°F (1988) | 45.0°F (1978) | 1.49 in (1965) |
| August 4 | 95.0°F (1983) | 45.0°F (1972) | 1.66 in (2002) |
| August 5 | 95.0°F (1964) | 45.0°F (1994) | 1.95 in (2007) |
| August 6 | 96.1°F (1983) | 46.9°F (1976) | 1.56 in (1967) |
| August 7 | 97.0°F (1983) | 43.0°F (1972) | 1.83 in (2022) |
| August 8 | 96.1°F (1983) | 46.0°F (1964) | 2.21 in (1991) |
| August 9 | 95.0°F (1988) | 44.1°F (1972) | 1.46 in (1987) |
| August 10 | 93.9°F (1976) | 43.0°F (1982) | 4.41 in (1994) |
| August 11 | 93.0°F (1976) | 44.1°F (1967) | 4.63 in (2016) |
| August 12 | 93.0°F (1988) | 46.9°F (2004) | 1.64 in (1985) |
| August 13 | 95.0°F (1971) | 41.0°F (1964) | 1.12 in (1980) |
| August 14 | 93.0°F (1965) | 39.0°F (1964) | 2.11 in (1981) |
| August 15 | 97.0°F (1988) | 43.0°F (1979) | 2.80 in (1997) |
| August 16 | 100.0°F (1988) | 46.0°F (1976) | 1.90 in (2004) |
| August 17 | 99.0°F (1988) | 44.1°F (1962) | 1.10 in (2006) |
| August 18 | 95.0°F (1972) | 36.0°F (1985) | 2.46 in (2025) |
| August 19 | 97.0°F (1983) | 39.0°F (1967) | 6.47 in (2007) |
| August 20 | 96.1°F (1983) | 44.1°F (1985) | 2.47 in (2016) |
| August 21 | 93.9°F (1976) | 39.0°F (2004) | 2.12 in (1979) |
| August 22 | 95.0°F (1976) | 46.0°F (2004) | 2.32 in (1999) |
| August 23 | 96.1°F (2023) | 43.0°F (1987) | 1.60 in (1973) |
| August 24 | 96.1°F (2023) | 44.1°F (1977) | 1.66 in (1982) |
| August 25 | 97.0°F (2003) | 46.0°F (1964) | 2.05 in (2006) |
| August 26 | 91.9°F (1970) | 43.0°F (1968) | 2.45 in (1996) |
| August 27 | 96.1°F (1984) | 39.9°F (1971) | 1.96 in (2021) |
| August 28 | 96.1°F (1984) | 37.9°F (1986) | 2.20 in (2022) |
| August 29 | 95.0°F (1984) | 42.1°F (1988) | 2.73 in (1985) |
| August 30 | 93.9°F (2012) | 42.1°F (1988) | 3.49 in (1962) |
| August 31 | 98.1°F (2012) | 37.0°F (1967) | 2.60 in (2020) |