August weather in Vandalia, MI
The average temperature in Vandalia in August is 69.0°F (58.2°F–79.7°F). Average precipitation: 4.12 inches.
August is a summer month in Vandalia, and is warmer than the annual average of 48.1°F. Daily temperatures swing about 21.5°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 42m. For travel, August is a comfortable month to visit.
Avg High
79.7°F
Avg Low
58.2°F
Precipitation
4.12 in
Daylight
13h 42m
August records in Vandalia
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 95.0°F (1955) | 45.0°F (1990) | 0.83 in (1953) |
| August 2 | 100.0°F (1988) | 46.0°F (1962) | 1.19 in (2003) |
| August 3 | 97.0°F (1988) | 42.1°F (1965) | 1.68 in (1960) |
| August 4 | 98.1°F (1988) | 41.0°F (1970) | 1.30 in (2017) |
| August 5 | 96.1°F (1956) | 42.1°F (1972) | 3.07 in (2007) |
| August 6 | 93.0°F (1968) | 43.0°F (1957) | 2.87 in (1998) |
| August 7 | 93.0°F (1968) | 39.0°F (2002) | 2.50 in (2007) |
| August 8 | 93.0°F (1996) | 41.0°F (2002) | 1.25 in (1977) |
| August 9 | 95.0°F (2001) | 36.0°F (1964) | 1.88 in (1988) |
| August 10 | 93.0°F (2005) | 39.9°F (1972) | 1.29 in (2021) |
| August 11 | 90.0°F (1958) | 36.0°F (1967) | 1.50 in (1971) |
| August 12 | 91.0°F (1995) | 39.0°F (1967) | 1.09 in (1956) |
| August 13 | 99.0°F (1988) | 39.0°F (1967) | 1.98 in (1990) |
| August 14 | 93.9°F (1995) | 37.9°F (1964) | 1.92 in (1980) |
| August 15 | 93.9°F (1995) | 39.9°F (1964) | 2.42 in (2023) |
| August 16 | 93.0°F (1965) | 39.9°F (1979) | 5.79 in (2016) |
| August 17 | 97.0°F (1988) | 42.1°F (1981) | 1.19 in (2019) |
| August 18 | 96.1°F (1988) | 36.0°F (1963) | 1.34 in (1979) |
| August 19 | 98.1°F (1955) | 37.9°F (1977) | 2.01 in (2025) |
| August 20 | 96.1°F (1955) | 37.9°F (2002) | 1.57 in (1990) |
| August 21 | 96.1°F (1955) | 42.1°F (1961) | 1.47 in (1966) |
| August 22 | 97.0°F (2003) | 45.0°F (1969) | 1.36 in (1975) |
| August 23 | 95.0°F (1962) | 45.0°F (1958) | 1.04 in (1996) |
| August 24 | 96.1°F (1962) | 41.0°F (1965) | 2.18 in (1993) |
| August 25 | 95.0°F (1959) | 41.0°F (1956) | 2.27 in (1998) |
| August 26 | 95.0°F (1953) | 42.1°F (1977) | 1.36 in (2004) |
| August 27 | 93.9°F (1953) | 37.9°F (1968) | 2.20 in (1986) |
| August 28 | 95.0°F (1973) | 39.0°F (1968) | 1.70 in (1978) |
| August 29 | 96.1°F (1953) | 36.0°F (1965) | 2.87 in (2006) |
| August 30 | 95.0°F (1953) | 37.9°F (1976) | 2.93 in (1955) |
| August 31 | 97.0°F (1953) | 37.0°F (2019) | 1.82 in (2020) |