August weather in Dexter, MN
The average temperature in Dexter in August is 66.7°F (56.0°F–77.4°F). Average precipitation: 4.22 inches.
August is a summer month in Dexter, and is warmer than the annual average of 42.9°F. Daily temperatures swing about 21.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 49m. For travel, August is a comfortable month to visit.
Avg High
77.4°F
Avg Low
56.0°F
Precipitation
4.22 in
Daylight
13h 49m
August records in Dexter
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1988) | 44.1°F (1895) | 2.53 in (1994) |
| August 2 | 100.0°F (1988) | 41.0°F (1927) | 3.04 in (1928) |
| August 3 | 102.0°F (1930) | 44.1°F (1907) | 2.75 in (1990) |
| August 4 | 100.9°F (1896) | 41.0°F (1912) | 2.95 in (1987) |
| August 5 | 96.1°F (1947) | 39.9°F (1910) | 2.63 in (1945) |
| August 6 | 95.0°F (1896) | 46.9°F (1929) | 2.99 in (1911) |
| August 7 | 97.0°F (1894) | 45.0°F (1972) | 2.55 in (2022) |
| August 8 | 99.0°F (1894) | 43.0°F (1922) | 3.40 in (1991) |
| August 9 | 96.1°F (1936) | 37.9°F (1927) | 1.37 in (1952) |
| August 10 | 98.1°F (1899) | 44.1°F (1927) | 2.68 in (1994) |
| August 11 | 95.0°F (1905) | 42.1°F (1985) | 2.15 in (1948) |
| August 12 | 95.0°F (1918) | 45.0°F (1952) | 1.80 in (2005) |
| August 13 | 93.9°F (1895) | 39.9°F (1924) | 6.41 in (1911) |
| August 14 | 95.0°F (1913) | 39.0°F (1964) | 2.05 in (1986) |
| August 15 | 100.0°F (1936) | 41.0°F (1929) | 2.72 in (1993) |
| August 16 | 100.0°F (1988) | 44.1°F (1992) | 1.62 in (1918) |
| August 17 | 102.0°F (1937) | 44.1°F (1924) | 6.30 in (2025) |
| August 18 | 100.0°F (1988) | 42.1°F (1897) | 2.00 in (1946) |
| August 19 | 98.1°F (1901) | 41.0°F (1967) | 4.89 in (2007) |
| August 20 | 98.1°F (1901) | 36.0°F (1950) | 1.62 in (1947) |
| August 21 | 95.0°F (1901) | 35.1°F (2004) | 2.35 in (1996) |
| August 22 | 100.0°F (1955) | 37.0°F (2004) | 3.16 in (1979) |
| August 23 | 96.1°F (1894) | 42.1°F (1920) | 2.30 in (1979) |
| August 24 | 100.9°F (2023) | 34.0°F (1934) | 1.60 in (2016) |
| August 25 | 98.1°F (1948) | 37.9°F (1958) | 3.30 in (1983) |
| August 26 | 95.0°F (1948) | 41.0°F (1958) | 2.30 in (2000) |
| August 27 | 93.0°F (1899) | 41.0°F (1915) | 4.00 in (2021) |
| August 28 | 95.0°F (1894) | 35.1°F (1893) | 2.50 in (1989) |
| August 29 | 96.1°F (1905) | 37.0°F (1893) | 2.58 in (1960) |
| August 30 | 97.0°F (1898) | 34.0°F (1915) | 1.78 in (1982) |
| August 31 | 95.0°F (2012) | 37.0°F (2009) | 5.15 in (1962) |