December weather in Ontonagon, MI
The average temperature in Ontonagon in December is 23.1°F (16.3°F–29.9°F). Average precipitation: 2.90 inches. Average snowfall is 48.1 inches.
December is a winter month in Ontonagon, and is cooler than the annual average of 43.3°F. Daily temperatures swing about 13.6°F between overnight low and afternoon high. Expect about 16 days with precipitation. Daylight averages about 8h 21m. For travel, December is cold.
Avg High
29.9°F
Avg Low
16.3°F
Precipitation
2.90 in
Snow
48.1 in
December records in Ontonagon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 53.1°F (1998) | 3.0°F (1978) | 0.38 in (2002) |
| December 2 | 60.1°F (1982) | -2.9°F (1991) | 0.53 in (1985) |
| December 3 | 62.1°F (1982) | -0.9°F (1980) | 0.48 in (1986) |
| December 4 | 50.0°F (1998) | 6.1°F (1985) | 0.50 in (1997) |
| December 5 | 55.9°F (2001) | -4.0°F (1985) | 0.97 in (1998) |
| December 6 | 55.0°F (2001) | -15.0°F (1991) | 0.41 in (1997) |
| December 7 | 42.1°F (1990) | -5.1°F (1978) | 0.32 in (2013) |
| December 8 | 50.0°F (1990) | -9.9°F (2013) | 0.41 in (1996) |
| December 9 | 50.0°F (1984) | -5.1°F (1995) | 0.96 in (1987) |
| December 10 | 48.0°F (2006) | -8.0°F (2013) | 0.57 in (1986) |
| December 11 | 50.0°F (2011) | -16.1°F (1978) | 0.40 in (2013) |
| December 12 | 53.1°F (1998) | -18.0°F (1988) | 0.77 in (2004) |
| December 13 | 45.0°F (1998) | -18.9°F (1989) | 0.70 in (2004) |
| December 14 | 55.0°F (1998) | -9.9°F (2013) | 0.43 in (1995) |
| December 15 | 55.0°F (1997) | -14.1°F (2010) | 0.77 in (1981) |
| December 16 | 52.0°F (1984) | -17.0°F (2008) | 0.53 in (1981) |
| December 17 | 42.1°F (1977) | -4.0°F (2009) | 0.53 in (1985) |
| December 18 | 52.0°F (1997) | -9.9°F (1983) | 0.32 in (1983) |
| December 19 | 45.0°F (2006) | -18.0°F (1991) | 0.70 in (1996) |
| December 20 | 46.0°F (1994) | -11.9°F (1983) | 0.45 in (1988) |
| December 21 | 46.9°F (1994) | -11.9°F (1989) | 0.63 in (1977) |
| December 22 | 48.0°F (1991) | -9.9°F (1989) | 0.43 in (1998) |
| December 23 | 45.0°F (1986) | -14.1°F (1983) | 0.93 in (2006) |
| December 24 | 50.0°F (1994) | -9.9°F (1983) | 0.53 in (1996) |
| December 25 | 50.0°F (1994) | -22.0°F (2004) | 0.88 in (1982) |
| December 26 | 50.0°F (1994) | -20.0°F (1996) | 0.42 in (1990) |
| December 27 | 46.0°F (2011) | -23.1°F (1996) | 0.46 in (2001) |
| December 28 | 48.9°F (2003) | -5.1°F (1977) | 0.75 in (1982) |
| December 29 | 45.0°F (1986) | -4.0°F (1983) | 0.48 in (1998) |
| December 30 | 42.1°F (1979) | -15.0°F (1989) | 0.28 in (1996) |
| December 31 | 45.0°F (2004) | -11.9°F (1990) | 0.39 in (1992) |