August weather in Delavan, MN
The average temperature in Delavan in August is 69.8°F (59.9°F–79.7°F). Average precipitation: 3.94 inches.
August is a summer month in Delavan, and is warmer than the annual average of 45.6°F. Daily temperatures swing about 19.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 49m. For travel, August is one of the best months of the year to visit.
Avg High
79.7°F
Avg Low
59.9°F
Precipitation
3.94 in
Daylight
13h 49m
August records in Delavan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.9°F (1988) | 46.9°F (1971) | 1.91 in (2024) |
| August 2 | 100.9°F (1930) | 46.9°F (1904) | 3.40 in (2006) |
| August 3 | 106.0°F (1930) | 44.1°F (1912) | 2.13 in (1988) |
| August 4 | 99.0°F (1947) | 46.0°F (1912) | 3.12 in (1982) |
| August 5 | 99.0°F (1937) | 46.9°F (1952) | 1.62 in (2013) |
| August 6 | 100.0°F (1937) | 48.0°F (1977) | 2.03 in (2000) |
| August 7 | 96.1°F (1937) | 46.0°F (1972) | 1.58 in (2022) |
| August 8 | 97.0°F (1914) | 45.0°F (1904) | 2.07 in (1906) |
| August 9 | 99.0°F (1914) | 43.0°F (1927) | 1.42 in (1957) |
| August 10 | 96.1°F (1947) | 39.0°F (2004) | 6.22 in (1948) |
| August 11 | 99.0°F (1947) | 36.0°F (2004) | 1.42 in (2016) |
| August 12 | 97.0°F (1947) | 46.0°F (1967) | 1.60 in (1919) |
| August 13 | 93.0°F (1965) | 42.1°F (1964) | 1.71 in (1940) |
| August 14 | 95.0°F (1965) | 42.1°F (1964) | 1.35 in (1957) |
| August 15 | 100.9°F (1936) | 45.0°F (1929) | 3.65 in (1903) |
| August 16 | 100.9°F (1906) | 39.9°F (1924) | 2.49 in (1946) |
| August 17 | 99.0°F (1988) | 45.0°F (1943) | 1.43 in (2018) |
| August 18 | 100.0°F (1947) | 44.1°F (1977) | 2.81 in (2025) |
| August 19 | 98.1°F (1917) | 42.1°F (1967) | 2.77 in (2007) |
| August 20 | 98.1°F (1955) | 39.0°F (1950) | 1.91 in (1939) |
| August 21 | 96.1°F (1955) | 37.9°F (2004) | 2.77 in (1979) |
| August 22 | 98.1°F (1947) | 42.1°F (1923) | 2.94 in (2002) |
| August 23 | 97.0°F (1947) | 44.1°F (1942) | 2.00 in (1914) |
| August 24 | 102.9°F (1936) | 37.0°F (1934) | 1.90 in (1967) |
| August 25 | 99.0°F (1936) | 41.0°F (1942) | 1.30 in (1940) |
| August 26 | 93.0°F (2020) | 42.1°F (1910) | 2.50 in (1996) |
| August 27 | 100.0°F (1926) | 41.0°F (1914) | 1.92 in (2021) |
| August 28 | 95.0°F (1984) | 37.9°F (1935) | 1.50 in (1936) |
| August 29 | 93.0°F (1899) | 39.0°F (1911) | 2.62 in (1985) |
| August 30 | 93.9°F (2012) | 37.9°F (1915) | 1.55 in (1962) |
| August 31 | 99.0°F (2012) | 43.0°F (1915) | 4.48 in (1962) |