February weather in St. Charles, MO
The average temperature in St. Charles in February is 35.0°F (25.2°F–44.7°F). Average precipitation: 2.86 inches. Average snowfall is 2.6 inches.
February is a winter month in St. Charles, and is cooler than the annual average of 55.5°F. Daily temperatures swing about 19.5°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 10h 32m. For travel, February is cold.
Avg High
44.7°F
Avg Low
25.2°F
Precipitation
2.86 in
Snow
2.6 in
February records in St. Charles
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| February 1 | 82.0°F (1911) | -7.1°F (1936) | 2.31 in (1988) |
| February 2 | 75.0°F (1989) | -13.0°F (1979) | 2.81 in (1986) |
| February 3 | 75.9°F (1924) | -14.1°F (1996) | 1.86 in (1986) |
| February 4 | 77.0°F (1962) | -13.0°F (1996) | 1.42 in (2012) |
| February 5 | 73.9°F (2008) | -8.0°F (1996) | 1.31 in (1971) |
| February 6 | 71.1°F (1925) | -5.1°F (1907) | 1.60 in (2008) |
| February 7 | 68.0°F (1925) | -9.0°F (1978) | 2.59 in (1999) |
| February 8 | 71.1°F (1943) | -14.1°F (1895) | 1.02 in (1894) |
| February 9 | 72.0°F (1943) | -18.0°F (1899) | 1.23 in (1962) |
| February 10 | 82.9°F (1932) | -9.9°F (1899) | 2.08 in (1966) |
| February 11 | 79.0°F (1976) | -11.0°F (1981) | 1.24 in (2009) |
| February 12 | 78.1°F (1938) | -22.0°F (1899) | 1.82 in (1896) |
| February 13 | 82.0°F (1962) | -24.0°F (1905) | 1.39 in (1914) |
| February 14 | 77.0°F (1954) | -8.0°F (1905) | 1.10 in (1908) |
| February 15 | 75.0°F (1954) | -11.9°F (1905) | 2.15 in (1949) |
| February 16 | 79.0°F (2018) | -5.1°F (1958) | 1.08 in (1910) |
| February 17 | 79.0°F (1911) | -14.1°F (1903) | 1.06 in (2008) |
| February 18 | 73.9°F (2017) | -11.9°F (1910) | 2.13 in (2000) |
| February 19 | 77.0°F (1930) | -6.0°F (1936) | 1.10 in (1974) |
| February 20 | 73.9°F (1897) | -2.0°F (2025) | 1.28 in (1955) |
| February 21 | 78.1°F (2017) | 0.0°F (1947) | 1.84 in (1951) |
| February 22 | 75.9°F (1922) | 0.0°F (1947) | 1.39 in (1974) |
| February 23 | 77.0°F (1995) | -0.9°F (1910) | 1.41 in (1985) |
| February 24 | 81.0°F (1930) | 0.0°F (1914) | 1.38 in (2018) |
| February 25 | 79.0°F (2000) | 0.0°F (1947) | 2.20 in (1899) |
| February 26 | 77.0°F (1932) | 0.0°F (1947) | 1.40 in (1957) |
| February 27 | 81.0°F (2024) | -11.0°F (1934) | 2.43 in (1997) |
| February 28 | 84.0°F (2024) | -7.1°F (1934) | 0.77 in (1969) |
| February 29 | 78.1°F (1972) | 14.0°F (1996) | 0.60 in (1928) |