December weather in DeWitt, MI
The average temperature in DeWitt in December is 29.5°F (23.3°F–35.7°F). Average precipitation: 1.90 inches. Average snowfall is 11.3 inches.
December is a winter month in DeWitt, and is cooler than the annual average of 48.5°F. Daily temperatures swing about 12.4°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 8h 51m. For travel, December is cold.
Avg High
35.7°F
Avg Low
23.3°F
Precipitation
1.90 in
Snow
11.3 in
December records in DeWitt
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.9°F (1970) | 3.9°F (1971) | 0.96 in (2006) |
| December 2 | 66.0°F (1982) | -7.1°F (1976) | 0.65 in (1980) |
| December 3 | 66.0°F (1982) | -18.0°F (2002) | 0.93 in (1982) |
| December 4 | 63.0°F (2012) | -4.0°F (1966) | 0.52 in (1961) |
| December 5 | 69.1°F (2001) | 7.0°F (2025) | 1.02 in (1999) |
| December 6 | 64.9°F (1998) | -17.0°F (1964) | 0.94 in (1998) |
| December 7 | 63.0°F (1951) | -4.0°F (1972) | 0.95 in (1950) |
| December 8 | 64.9°F (1966) | -6.0°F (1976) | 0.55 in (1980) |
| December 9 | 59.0°F (2023) | -9.9°F (1964) | 0.40 in (1953) |
| December 10 | 63.0°F (1971) | -0.9°F (1977) | 0.94 in (1967) |
| December 11 | 62.1°F (1949) | -2.0°F (1962) | 1.06 in (1970) |
| December 12 | 62.1°F (1949) | -4.0°F (1962) | 1.30 in (1972) |
| December 13 | 63.0°F (2015) | -2.9°F (1960) | 0.59 in (1973) |
| December 14 | 60.1°F (1975) | 0.1°F (2017) | 0.93 in (1975) |
| December 15 | 64.0°F (1971) | -2.9°F (1963) | 1.17 in (1971) |
| December 16 | 63.0°F (2021) | -2.9°F (1951) | 0.40 in (2007) |
| December 17 | 52.0°F (2006) | -2.9°F (1951) | 0.24 in (2000) |
| December 18 | 51.1°F (2025) | -2.0°F (1983) | 0.92 in (1977) |
| December 19 | 51.1°F (2002) | -9.9°F (1983) | 0.66 in (2008) |
| December 20 | 57.0°F (1949) | -8.0°F (2000) | 0.92 in (1949) |
| December 21 | 61.0°F (1967) | -11.9°F (1989) | 1.21 in (1967) |
| December 22 | 55.0°F (1949) | -9.9°F (1975) | 0.55 in (1949) |
| December 23 | 60.1°F (2015) | -14.1°F (1989) | 0.85 in (1996) |
| December 24 | 59.0°F (2015) | -8.0°F (1980) | 1.40 in (1979) |
| December 25 | 64.9°F (1982) | -17.0°F (2000) | 0.77 in (1982) |
| December 26 | 59.0°F (2019) | -11.0°F (1990) | 0.34 in (1949) |
| December 27 | 60.1°F (2008) | -8.0°F (1980) | 0.64 in (1968) |
| December 28 | 62.1°F (1984) | -18.0°F (2000) | 1.52 in (2025) |
| December 29 | 62.1°F (1984) | -9.9°F (1976) | 1.21 in (2024) |
| December 30 | 55.9°F (2022) | -17.0°F (1976) | 1.41 in (2019) |
| December 31 | 61.0°F (1965) | -15.0°F (1976) | 0.98 in (1978) |