October weather in St. Louis, MI
The average temperature in St. Louis in October is 49.7°F (39.4°F–60.0°F). Average precipitation: 3.24 inches. Average snowfall is 0.3 inches.
October is a fall month in St. Louis, and is warmer than the annual average of 47°F. Daily temperatures swing about 20.6°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 10h 46m. For travel, October is a comfortable month to visit.
Avg High
60.0°F
Avg Low
39.4°F
Precipitation
3.24 in
Snow
0.3 in
October records in St. Louis
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 87.1°F (1971) | 21.0°F (1899) | 4.04 in (1981) |
| October 2 | 87.1°F (1971) | 28.9°F (1974) | 2.80 in (2019) |
| October 3 | 87.1°F (1891) | 27.0°F (1974) | 1.98 in (1954) |
| October 4 | 86.0°F (1900) | 28.0°F (1888) | 1.84 in (2021) |
| October 5 | 88.0°F (2025) | 25.0°F (1965) | 1.76 in (1991) |
| October 6 | 86.0°F (1900) | 26.1°F (1917) | 1.90 in (1890) |
| October 7 | 88.0°F (2007) | 24.1°F (1964) | 1.70 in (1998) |
| October 8 | 90.0°F (2007) | 23.0°F (1889) | 0.96 in (1984) |
| October 9 | 90.0°F (2007) | 23.0°F (1888) | 1.42 in (2021) |
| October 10 | 86.0°F (1938) | 24.1°F (1989) | 1.47 in (1932) |
| October 11 | 84.9°F (1928) | 21.0°F (1906) | 0.94 in (2018) |
| October 12 | 84.9°F (1920) | 21.0°F (1908) | 1.52 in (1897) |
| October 13 | 84.9°F (1920) | 23.0°F (1891) | 2.28 in (1902) |
| October 14 | 82.9°F (1897) | 21.9°F (1993) | 1.89 in (1970) |
| October 15 | 86.0°F (1897) | 21.9°F (1894) | 1.38 in (2017) |
| October 16 | 86.0°F (1938) | 25.0°F (1889) | 1.57 in (1914) |
| October 17 | 84.9°F (1947) | 21.9°F (1977) | 1.64 in (1993) |
| October 18 | 82.0°F (1908) | 18.0°F (1896) | 2.12 in (1905) |
| October 19 | 82.9°F (1920) | 21.0°F (1972) | 1.28 in (2025) |
| October 20 | 82.0°F (1953) | 19.9°F (1895) | 1.28 in (1897) |
| October 21 | 84.0°F (1953) | 14.0°F (1895) | 1.04 in (1933) |
| October 22 | 84.9°F (1920) | 23.0°F (1896) | 1.02 in (1929) |
| October 23 | 82.9°F (1920) | 19.0°F (1889) | 1.82 in (1972) |
| October 24 | 78.1°F (1899) | 15.1°F (1889) | 3.73 in (2017) |
| October 25 | 81.0°F (1963) | 19.0°F (1887) | 1.19 in (2001) |
| October 26 | 79.0°F (1927) | 12.0°F (1887) | 1.08 in (1898) |
| October 27 | 77.0°F (1927) | 19.9°F (1925) | 1.64 in (2019) |
| October 28 | 75.9°F (1989) | 19.0°F (1891) | 0.86 in (1953) |
| October 29 | 75.9°F (1989) | 18.0°F (1905) | 1.27 in (2004) |
| October 30 | 77.0°F (2024) | 15.1°F (1887) | 1.59 in (1996) |
| October 31 | 90.0°F (2006) | 15.1°F (1906) | 0.98 in (2018) |