December weather in Kewanee, IL
The average temperature in Kewanee in December is 27.8°F (19.7°F–35.8°F). Average precipitation: 2.17 inches. Average snowfall is 7.5 inches.
December is a winter month in Kewanee, and is cooler than the annual average of 49.6°F. Daily temperatures swing about 16.1°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 2m. For travel, December is cold.
Avg High
35.8°F
Avg Low
19.7°F
Precipitation
2.17 in
Snow
7.5 in
December records in Kewanee
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (1970) | 9.0°F (1976) | 1.13 in (1985) |
| December 2 | 64.9°F (1982) | -2.9°F (1942) | 1.04 in (2018) |
| December 3 | 64.9°F (1951) | -7.1°F (1942) | 1.96 in (1982) |
| December 4 | 69.1°F (2012) | 1.9°F (1942) | 0.66 in (1947) |
| December 5 | 66.9°F (1998) | -5.1°F (2006) | 1.35 in (1999) |
| December 6 | 66.9°F (1951) | -6.0°F (1977) | 0.80 in (1971) |
| December 7 | 66.0°F (1951) | -9.9°F (2005) | 1.63 in (1994) |
| December 8 | 64.9°F (1946) | -6.0°F (2005) | 1.50 in (1980) |
| December 9 | 62.1°F (1939) | -7.1°F (2006) | 0.80 in (2009) |
| December 10 | 55.9°F (1946) | -9.9°F (1977) | 2.83 in (2003) |
| December 11 | 63.0°F (1949) | -9.9°F (1972) | 0.82 in (1970) |
| December 12 | 55.9°F (1965) | -8.0°F (1962) | 1.50 in (1946) |
| December 13 | 61.0°F (2015) | -6.0°F (2000) | 0.56 in (2001) |
| December 14 | 62.1°F (1975) | -9.0°F (1985) | 1.57 in (2015) |
| December 15 | 66.9°F (1975) | -11.0°F (1963) | 2.87 in (1971) |
| December 16 | 70.0°F (2021) | -16.1°F (1951) | 0.82 in (1940) |
| December 17 | 59.0°F (1939) | -8.0°F (1953) | 0.28 in (1967) |
| December 18 | 62.1°F (1939) | -13.0°F (1985) | 1.65 in (1957) |
| December 19 | 57.9°F (2002) | -18.9°F (1983) | 0.92 in (2008) |
| December 20 | 61.0°F (1949) | -18.0°F (1985) | 0.90 in (1952) |
| December 21 | 55.9°F (1941) | -16.1°F (1963) | 0.93 in (1949) |
| December 22 | 55.9°F (1957) | -11.9°F (1983) | 0.60 in (1941) |
| December 23 | 57.0°F (1965) | -13.0°F (1983) | 0.86 in (1979) |
| December 24 | 62.1°F (2021) | -24.0°F (1983) | 2.50 in (1965) |
| December 25 | 61.0°F (2021) | -18.9°F (1983) | 1.80 in (1979) |
| December 26 | 59.0°F (2019) | -11.0°F (1983) | 0.50 in (1954) |
| December 27 | 61.0°F (1946) | -11.9°F (1950) | 1.70 in (1942) |
| December 28 | 61.0°F (1946) | -14.1°F (1961) | 0.83 in (2008) |
| December 29 | 66.9°F (1984) | -7.1°F (1961) | 2.10 in (1972) |
| December 30 | 62.1°F (2022) | -9.0°F (1983) | 1.33 in (1971) |
| December 31 | 61.0°F (2002) | -13.0°F (1968) | 0.87 in (1957) |