August weather in Preston, MN
The average temperature in Preston in August is 67.5°F (55.7°F–79.3°F). Average precipitation: 4.29 inches.
August is a summer month in Preston, and is warmer than the annual average of 43.8°F. Daily temperatures swing about 23.6°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 48m. For travel, August is a comfortable month to visit.
Avg High
79.3°F
Avg Low
55.7°F
Precipitation
4.29 in
Daylight
13h 48m
August records in Preston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (1964) | 41.0°F (1968) | 0.70 in (1981) |
| August 2 | 100.9°F (1964) | 41.0°F (1973) | 1.71 in (1953) |
| August 3 | 96.1°F (1964) | 41.0°F (1986) | 2.74 in (1959) |
| August 4 | 95.0°F (1982) | 41.0°F (1971) | 1.98 in (1994) |
| August 5 | 97.0°F (1989) | 41.0°F (1971) | 1.83 in (2007) |
| August 6 | 93.9°F (1968) | 45.0°F (1961) | 2.20 in (2024) |
| August 7 | 96.1°F (2001) | 45.0°F (1993) | 2.50 in (2022) |
| August 8 | 97.0°F (2001) | 44.1°F (1976) | 2.12 in (1991) |
| August 9 | 93.0°F (2010) | 39.9°F (1966) | 1.41 in (2010) |
| August 10 | 93.0°F (1985) | 39.9°F (1982) | 2.12 in (1994) |
| August 11 | 91.9°F (2010) | 35.1°F (1986) | 0.86 in (1956) |
| August 12 | 93.0°F (2010) | 37.9°F (1967) | 2.33 in (2005) |
| August 13 | 95.0°F (2010) | 39.9°F (1964) | 1.40 in (1957) |
| August 14 | 93.0°F (1965) | 33.1°F (1964) | 1.83 in (2007) |
| August 15 | 93.9°F (1955) | 39.0°F (1979) | 1.90 in (1993) |
| August 16 | 91.9°F (1969) | 37.9°F (1976) | 1.19 in (1980) |
| August 17 | 97.0°F (1955) | 39.0°F (1962) | 2.68 in (2025) |
| August 18 | 96.1°F (1955) | 37.9°F (1977) | 2.35 in (2025) |
| August 19 | 97.0°F (1955) | 36.0°F (1985) | 4.61 in (2007) |
| August 20 | 96.1°F (1955) | 37.9°F (1967) | 0.97 in (2009) |
| August 21 | 100.0°F (1955) | 35.1°F (2004) | 1.10 in (2014) |
| August 22 | 93.0°F (1968) | 42.1°F (1952) | 1.86 in (1979) |
| August 23 | 95.0°F (2023) | 34.0°F (1987) | 3.11 in (1954) |
| August 24 | 100.9°F (2023) | 32.0°F (1987) | 2.30 in (2016) |
| August 25 | 97.0°F (2003) | 36.0°F (1958) | 4.70 in (1983) |
| August 26 | 91.9°F (1955) | 36.0°F (1964) | 2.72 in (1986) |
| August 27 | 93.9°F (2024) | 36.0°F (1968) | 3.85 in (2021) |
| August 28 | 97.0°F (1984) | 34.0°F (1986) | 1.78 in (2018) |
| August 29 | 98.1°F (1984) | 36.0°F (1986) | 1.78 in (2015) |
| August 30 | 93.0°F (1966) | 37.9°F (1974) | 2.06 in (1962) |
| August 31 | 95.0°F (2012) | 30.0°F (1967) | 3.16 in (1962) |