February weather in Decatur, IL
The average temperature in Decatur in February is 31.3°F (23.5°F–39.1°F). Average precipitation: 2.00 inches. Average snowfall is 2.5 inches.
February is a winter month in Decatur, and is cooler than the annual average of 53°F. Daily temperatures swing about 15.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 29m. For travel, February is cold.
Avg High
39.1°F
Avg Low
23.5°F
Precipitation
2.00 in
Snow
2.5 in
February records in Decatur
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| February 1 | 57.9°F (1917) | -11.0°F (1904) | 1.75 in (1968) |
| February 2 | 66.9°F (1911) | -15.0°F (1905) | 0.95 in (1990) |
| February 3 | 64.0°F (1924) | -18.0°F (1996) | 1.55 in (1903) |
| February 4 | 66.9°F (1962) | -16.1°F (1996) | 1.72 in (1942) |
| February 5 | 66.0°F (1938) | -16.1°F (1979) | 2.70 in (2008) |
| February 6 | 64.0°F (1925) | -11.9°F (1982) | 1.22 in (1951) |
| February 7 | 68.0°F (1925) | -9.0°F (1906) | 1.11 in (1999) |
| February 8 | 68.0°F (1925) | -20.9°F (1895) | 1.60 in (1900) |
| February 9 | 69.1°F (1943) | -22.0°F (1899) | 0.88 in (1959) |
| February 10 | 71.1°F (1932) | -20.0°F (1982) | 2.42 in (1939) |
| February 11 | 68.0°F (1932) | -11.0°F (2014) | 1.88 in (2009) |
| February 12 | 72.0°F (1938) | -20.9°F (1899) | 1.20 in (1918) |
| February 13 | 70.0°F (1938) | -25.1°F (1905) | 1.44 in (1946) |
| February 14 | 69.1°F (1954) | -11.9°F (1905) | 1.36 in (1949) |
| February 15 | 72.0°F (1921) | -14.1°F (1905) | 1.39 in (1990) |
| February 16 | 63.0°F (1927) | -6.0°F (2007) | 1.02 in (1938) |
| February 17 | 66.0°F (2017) | -18.0°F (1903) | 1.97 in (1976) |
| February 18 | 70.0°F (1911) | -13.0°F (1910) | 1.29 in (2000) |
| February 19 | 66.0°F (1930) | -13.0°F (1910) | 2.15 in (1939) |
| February 20 | 70.0°F (1930) | -5.1°F (1929) | 1.85 in (2018) |
| February 21 | 68.0°F (1930) | -2.9°F (1968) | 1.12 in (1997) |
| February 22 | 72.0°F (1922) | -6.0°F (1978) | 1.77 in (1990) |
| February 23 | 73.0°F (1996) | -2.9°F (1910) | 0.93 in (1975) |
| February 24 | 75.0°F (1930) | -2.9°F (1910) | 1.86 in (2001) |
| February 25 | 72.0°F (2000) | -6.0°F (1967) | 1.83 in (1899) |
| February 26 | 73.0°F (1996) | -9.9°F (1963) | 1.64 in (1936) |
| February 27 | 73.9°F (1976) | -9.9°F (1934) | 2.07 in (1997) |
| February 28 | 68.0°F (1895) | 3.9°F (2015) | 1.80 in (1900) |
| February 29 | 75.9°F (1972) | 6.1°F (1960) | 0.30 in (1896) |