October weather in Vandalia, IL
The average temperature in Vandalia in October is 55.8°F (44.0°F–67.7°F). Average precipitation: 3.26 inches.
October is a fall month in Vandalia, and is warmer than the annual average of 54.2°F. Daily temperatures swing about 23.7°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 57m. For travel, October is a comfortable month to visit.
Avg High
67.7°F
Avg Low
44.0°F
Precipitation
3.26 in
Daylight
10h 57m
October records in Vandalia
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 97.0°F (1901) | 30.9°F (1984) | 1.47 in (1986) |
| October 2 | 87.1°F (1994) | 30.0°F (1974) | 0.87 in (1988) |
| October 3 | 98.1°F (1904) | 28.0°F (1901) | 1.15 in (1986) |
| October 4 | 91.0°F (2006) | 30.9°F (1901) | 1.40 in (1937) |
| October 5 | 91.0°F (2006) | 26.1°F (1901) | 1.35 in (2000) |
| October 6 | 89.1°F (2007) | 30.0°F (1901) | 2.05 in (1949) |
| October 7 | 90.0°F (2007) | 28.0°F (1987) | 1.68 in (1982) |
| October 8 | 91.0°F (2007) | 30.0°F (1978) | 1.57 in (1977) |
| October 9 | 91.0°F (2007) | 30.0°F (1974) | 2.70 in (2009) |
| October 10 | 84.9°F (2010) | 30.9°F (2000) | 1.88 in (2003) |
| October 11 | 86.0°F (2010) | 30.9°F (2000) | 3.23 in (1949) |
| October 12 | 84.0°F (2010) | 25.0°F (1905) | 1.50 in (1901) |
| October 13 | 89.1°F (1899) | 26.1°F (1987) | 0.77 in (1978) |
| October 14 | 91.0°F (1899) | 21.9°F (1979) | 1.02 in (2009) |
| October 15 | 89.1°F (1899) | 28.9°F (2006) | 1.08 in (1974) |
| October 16 | 82.9°F (1899) | 28.0°F (1991) | 1.73 in (1979) |
| October 17 | 82.0°F (1980) | 28.0°F (1991) | 2.05 in (2006) |
| October 18 | 80.1°F (1995) | 28.9°F (1901) | 3.52 in (1905) |
| October 19 | 84.9°F (1995) | 25.0°F (1992) | 4.09 in (2025) |
| October 20 | 80.1°F (1979) | 26.1°F (1992) | 0.57 in (1995) |
| October 21 | 86.0°F (1979) | 28.0°F (1982) | 1.48 in (1983) |
| October 22 | 86.0°F (1979) | 25.0°F (1982) | 2.35 in (1945) |
| October 23 | 84.0°F (1901) | 28.0°F (1904) | 2.05 in (2009) |
| October 24 | 82.0°F (1902) | 26.1°F (1978) | 1.70 in (1976) |
| October 25 | 82.9°F (1899) | 26.1°F (1982) | 1.53 in (1934) |
| October 26 | 82.9°F (1900) | 27.0°F (1982) | 1.38 in (1932) |
| October 27 | 80.1°F (2000) | 25.0°F (1903) | 1.31 in (1991) |
| October 28 | 81.0°F (1999) | 24.1°F (1904) | 0.85 in (1899) |
| October 29 | 82.9°F (1901) | 24.1°F (1904) | 1.08 in (2002) |
| October 30 | 82.0°F (2004) | 23.0°F (1980) | 3.15 in (1942) |
| October 31 | 79.0°F (1987) | 24.1°F (1980) | 1.69 in (1941) |