December weather in Cassopolis, MI
The average temperature in Cassopolis in December is 29.4°F (22.5°F–36.2°F). Average precipitation: 2.82 inches.
December is a winter month in Cassopolis, and is cooler than the annual average of 48.1°F. Daily temperatures swing about 13.7°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 8h 58m. For travel, December is cold.
Avg High
36.2°F
Avg Low
22.5°F
Precipitation
2.82 in
Daylight
8h 58m
December records in Cassopolis
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.9°F (1970) | 7.0°F (1976) | 1.00 in (2006) |
| December 2 | 63.0°F (1970) | 1.9°F (1979) | 0.52 in (2008) |
| December 3 | 69.1°F (1982) | -11.0°F (1976) | 1.67 in (1982) |
| December 4 | 68.0°F (1998) | 8.1°F (1966) | 0.66 in (1991) |
| December 5 | 68.0°F (1998) | 3.0°F (2025) | 0.75 in (2008) |
| December 6 | 72.0°F (2001) | 5.0°F (1991) | 0.87 in (1975) |
| December 7 | 64.9°F (1998) | 7.0°F (1972) | 1.08 in (1998) |
| December 8 | 64.9°F (1966) | -4.0°F (2005) | 0.89 in (1966) |
| December 9 | 60.1°F (1991) | -2.9°F (2005) | 0.49 in (2005) |
| December 10 | 62.1°F (1971) | -5.1°F (1958) | 1.92 in (1971) |
| December 11 | 57.9°F (2015) | -2.9°F (1958) | 0.81 in (1957) |
| December 12 | 57.0°F (1979) | -5.1°F (1958) | 1.24 in (1972) |
| December 13 | 64.0°F (1975) | -9.9°F (1958) | 1.01 in (1965) |
| December 14 | 64.9°F (1975) | -2.9°F (1958) | 0.52 in (1999) |
| December 15 | 64.0°F (1975) | -9.0°F (1958) | 1.70 in (1971) |
| December 16 | 55.9°F (1984) | -6.0°F (1989) | 0.90 in (2000) |
| December 17 | 64.0°F (1984) | -6.0°F (1989) | 0.50 in (2000) |
| December 18 | 50.0°F (2019) | -0.9°F (2000) | 0.56 in (2002) |
| December 19 | 55.0°F (1957) | -7.1°F (2016) | 0.56 in (1968) |
| December 20 | 55.0°F (1957) | -8.0°F (2016) | 0.93 in (1987) |
| December 21 | 60.1°F (1967) | -5.1°F (1983) | 1.33 in (1967) |
| December 22 | 57.0°F (1957) | -8.0°F (2000) | 0.86 in (2013) |
| December 23 | 59.0°F (1982) | -20.0°F (1989) | 0.73 in (1988) |
| December 24 | 61.0°F (2015) | -17.0°F (1989) | 1.94 in (1965) |
| December 25 | 61.0°F (1982) | -2.0°F (2004) | 1.32 in (1965) |
| December 26 | 64.9°F (1982) | -9.0°F (1983) | 0.60 in (1970) |
| December 27 | 61.0°F (2019) | -8.0°F (2004) | 0.90 in (2012) |
| December 28 | 62.1°F (1982) | -9.0°F (2000) | 0.63 in (2008) |
| December 29 | 64.9°F (1984) | -9.0°F (2000) | 1.74 in (2025) |
| December 30 | 61.0°F (1984) | -11.0°F (1970) | 1.65 in (1971) |
| December 31 | 59.0°F (1965) | -7.1°F (1983) | 1.10 in (1992) |