December weather in Duluth, MN
The average temperature in Duluth in December is 19.7°F (12.8°F–26.7°F). Average precipitation: inches.
December is a winter month in Duluth, and is cooler than the annual average of 40.8°F. Daily temperatures swing about 13.9°F between overnight low and afternoon high. Daylight averages about 8h 21m. For travel, December is cold.
Avg High
26.7°F
Avg Low
12.8°F
Precipitation
in
Daylight
8h 21m
December records in Duluth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 48.0°F (1962) | -14.1°F (1976) | 0.39 in (1970) |
| December 2 | 55.0°F (1962) | -16.1°F (1976) | 0.18 in (1986) |
| December 3 | 57.0°F (1962) | -18.0°F (1976) | 0.24 in (1970) |
| December 4 | 55.9°F (1998) | -11.0°F (1991) | 0.34 in (1966) |
| December 5 | 48.0°F (1960) | -5.1°F (1991) | 0.55 in (1960) |
| December 6 | 44.1°F (2001) | -16.1°F (1972) | 0.27 in (1966) |
| December 7 | 39.0°F (1963) | -20.9°F (1976) | 0.31 in (1969) |
| December 8 | 42.1°F (1990) | -9.0°F (1976) | 0.42 in (1969) |
| December 9 | 43.0°F (1990) | -11.0°F (1995) | 0.38 in (1961) |
| December 10 | 53.1°F (1990) | -14.1°F (1995) | 0.34 in (1983) |
| December 11 | 41.0°F (2002) | -20.0°F (1995) | 1.47 in (1983) |
| December 12 | 44.1°F (1980) | -18.9°F (1995) | 0.84 in (1965) |
| December 13 | 46.9°F (1998) | -13.0°F (2000) | 0.82 in (1988) |
| December 14 | 42.1°F (1976) | -14.1°F (1985) | 0.41 in (1988) |
| December 15 | 50.0°F (1998) | -11.0°F (1964) | 0.34 in (1971) |
| December 16 | 43.0°F (1984) | -11.0°F (1979) | 1.24 in (1984) |
| December 17 | 45.0°F (1997) | -14.1°F (1983) | 0.25 in (1967) |
| December 18 | 39.9°F (1962) | -22.0°F (1983) | 0.18 in (1987) |
| December 19 | 46.0°F (1997) | -27.0°F (1983) | 0.25 in (1966) |
| December 20 | 37.9°F (1979) | -22.0°F (1983) | 0.06 in (1972) |
| December 21 | 37.9°F (1967) | -24.0°F (1989) | 0.35 in (1990) |
| December 22 | 44.1°F (1994) | -18.0°F (1983) | 0.18 in (1968) |
| December 23 | 39.9°F (1994) | -20.9°F (1983) | 0.47 in (1964) |
| December 24 | 42.1°F (1963) | -16.1°F (1983) | 0.13 in (1969) |
| December 25 | 37.9°F (1994) | -18.9°F (1993) | 0.50 in (1982) |
| December 26 | 48.0°F (1999) | -22.0°F (1996) | 0.28 in (1985) |
| December 27 | 39.0°F (2003) | -20.9°F (1996) | 0.20 in (1982) |
| December 28 | 39.0°F (1994) | -17.0°F (1976) | 1.20 in (1982) |
| December 29 | 39.0°F (1965) | -15.0°F (1976) | 0.78 in (1972) |
| December 30 | 48.0°F (1999) | -18.9°F (1976) | 0.27 in (1972) |
| December 31 | 37.9°F (2002) | -24.0°F (1967) | 0.20 in (1981) |