October weather in Salem, IL
The average temperature in Salem in October is 56.9°F (45.0°F–68.7°F). Average precipitation: 3.44 inches.
October is a fall month in Salem, and is warmer than the annual average of 54.9°F. Daily temperatures swing about 23.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 10h 58m. For travel, October is a comfortable month to visit.
Avg High
68.7°F
Avg Low
45.0°F
Precipitation
3.44 in
Snow
0.1 in
October records in Salem
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 91.0°F (2019) | 33.1°F (1958) | 1.74 in (1986) |
| October 2 | 93.9°F (2019) | 30.9°F (1974) | 0.89 in (1962) |
| October 3 | 91.9°F (2019) | 28.0°F (1974) | 1.96 in (2014) |
| October 4 | 89.1°F (1967) | 30.9°F (1968) | 1.63 in (1986) |
| October 5 | 90.0°F (2006) | 30.9°F (1968) | 1.26 in (1953) |
| October 6 | 89.1°F (1963) | 32.0°F (1964) | 1.78 in (1949) |
| October 7 | 91.0°F (1963) | 30.0°F (2000) | 3.54 in (1922) |
| October 8 | 90.0°F (2007) | 27.0°F (1987) | 1.19 in (1960) |
| October 9 | 91.0°F (2007) | 28.9°F (2000) | 2.90 in (2009) |
| October 10 | 88.0°F (1962) | 28.9°F (1964) | 0.95 in (1987) |
| October 11 | 93.0°F (1963) | 28.9°F (1990) | 1.68 in (1949) |
| October 12 | 88.0°F (1961) | 26.1°F (1987) | 1.92 in (1983) |
| October 13 | 90.0°F (1989) | 27.0°F (1977) | 1.80 in (1978) |
| October 14 | 87.1°F (1989) | 28.9°F (1979) | 2.13 in (2001) |
| October 15 | 90.0°F (1963) | 30.0°F (1961) | 0.82 in (1916) |
| October 16 | 87.1°F (1963) | 27.0°F (1991) | 1.59 in (1928) |
| October 17 | 84.9°F (1964) | 27.0°F (1977) | 2.24 in (2006) |
| October 18 | 84.0°F (2016) | 28.9°F (1959) | 1.61 in (2012) |
| October 19 | 84.9°F (1963) | 24.1°F (1992) | 3.96 in (2025) |
| October 20 | 89.1°F (1963) | 26.1°F (1964) | 3.46 in (1983) |
| October 21 | 87.1°F (1963) | 26.1°F (1974) | 1.26 in (1949) |
| October 22 | 87.1°F (1963) | 21.9°F (1976) | 1.40 in (1951) |
| October 23 | 84.9°F (1963) | 30.0°F (1969) | 2.49 in (1951) |
| October 24 | 84.9°F (1963) | 21.0°F (1981) | 1.49 in (2008) |
| October 25 | 84.0°F (1963) | 26.1°F (2013) | 1.88 in (1920) |
| October 26 | 84.9°F (1963) | 21.9°F (1962) | 4.26 in (1919) |
| October 27 | 81.0°F (1971) | 26.1°F (1943) | 2.93 in (1919) |
| October 28 | 81.0°F (2014) | 21.9°F (1976) | 0.92 in (2015) |
| October 29 | 82.9°F (1971) | 23.0°F (1976) | 1.90 in (1917) |
| October 30 | 82.0°F (2024) | 24.1°F (1980) | 2.73 in (1942) |
| October 31 | 84.9°F (1968) | 25.0°F (2023) | 1.70 in (1973) |