February weather in St. Johns, IL
The average temperature in St. Johns in February is 36.7°F (27.7°F–45.7°F). Average precipitation: 2.90 inches. Average snowfall is 3.2 inches.
February is a winter month in St. Johns, and is cooler than the annual average of 56°F. Daily temperatures swing about 18°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 10h 35m. For travel, February is cool.
Avg High
45.7°F
Avg Low
27.7°F
Precipitation
2.90 in
Snow
3.2 in
February records in St. Johns
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| February 1 | 75.9°F (1911) | -8.0°F (1899) | 1.60 in (1966) |
| February 2 | 70.0°F (1911) | -11.0°F (1951) | 1.36 in (1989) |
| February 3 | 71.1°F (2025) | -16.1°F (1985) | 1.03 in (1986) |
| February 4 | 70.0°F (2008) | -7.1°F (1912) | 1.35 in (1908) |
| February 5 | 75.0°F (1927) | -6.0°F (1966) | 1.65 in (2008) |
| February 6 | 70.0°F (1925) | -2.0°F (1982) | 1.18 in (2019) |
| February 7 | 72.0°F (2017) | -5.1°F (1985) | 2.27 in (2019) |
| February 8 | 72.0°F (1925) | -13.0°F (1899) | 1.22 in (1900) |
| February 9 | 73.9°F (1938) | -20.0°F (1899) | 2.40 in (1965) |
| February 10 | 79.0°F (1932) | -16.1°F (1982) | 0.64 in (2020) |
| February 11 | 71.1°F (1932) | -8.0°F (1899) | 1.15 in (2009) |
| February 12 | 75.9°F (1938) | -20.9°F (1899) | 0.91 in (1930) |
| February 13 | 73.9°F (1962) | -18.9°F (1899) | 2.98 in (1946) |
| February 14 | 75.0°F (1921) | -4.0°F (1905) | 1.30 in (1908) |
| February 15 | 75.0°F (1976) | -4.0°F (1905) | 2.17 in (1990) |
| February 16 | 75.9°F (1911) | -4.0°F (1958) | 2.01 in (1954) |
| February 17 | 73.9°F (1911) | -9.0°F (1900) | 3.04 in (2022) |
| February 18 | 73.0°F (2026) | -9.9°F (1910) | 1.46 in (1938) |
| February 19 | 73.0°F (1930) | -5.1°F (1936) | 1.51 in (1940) |
| February 20 | 75.9°F (2016) | 6.1°F (1929) | 0.90 in (1904) |
| February 21 | 73.0°F (1930) | 1.9°F (1963) | 2.15 in (2018) |
| February 22 | 73.0°F (1922) | -6.0°F (1963) | 1.40 in (1979) |
| February 23 | 77.0°F (1982) | 3.9°F (1910) | 1.37 in (1985) |
| February 24 | 75.9°F (1930) | 5.0°F (1914) | 2.60 in (2016) |
| February 25 | 73.9°F (1932) | 1.9°F (1967) | 2.44 in (1979) |
| February 26 | 78.1°F (1917) | 7.0°F (1934) | 4.25 in (1945) |
| February 27 | 79.0°F (2024) | -9.9°F (1934) | 1.23 in (1984) |
| February 28 | 73.9°F (1992) | 7.0°F (1906) | 1.23 in (1987) |
| February 29 | 77.0°F (1972) | 12.0°F (1980) | 0.57 in (2012) |