December weather in Monticello, MN
The average temperature in Monticello in December is 18.8°F (10.9°F–26.7°F). Average precipitation: 1.14 inches. Average snowfall is 9.3 inches.
December is a winter month in Monticello, and is cooler than the annual average of 43.8°F. Daily temperatures swing about 15.8°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 8h 33m. For travel, December is cold.
Avg High
26.7°F
Avg Low
10.9°F
Precipitation
1.14 in
Snow
9.3 in
December records in Monticello
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 55.0°F (1962) | -8.0°F (1975) | 0.64 in (1985) |
| December 2 | 64.0°F (1998) | -18.9°F (1976) | 0.86 in (2007) |
| December 3 | 57.0°F (1962) | -20.9°F (1985) | 0.38 in (1978) |
| December 4 | 60.1°F (1998) | -15.0°F (1991) | 0.54 in (2010) |
| December 5 | 52.0°F (2001) | -16.1°F (1991) | 0.41 in (1998) |
| December 6 | 57.0°F (2001) | -18.9°F (1972) | 0.25 in (1969) |
| December 7 | 45.0°F (1965) | -20.0°F (1972) | 0.45 in (1969) |
| December 8 | 46.0°F (1990) | -17.0°F (1978) | 0.60 in (1969) |
| December 9 | 50.0°F (1990) | -16.1°F (1978) | 0.50 in (2003) |
| December 10 | 48.9°F (1999) | -22.0°F (1977) | 0.56 in (2012) |
| December 11 | 44.1°F (2002) | -14.1°F (1961) | 0.73 in (1965) |
| December 12 | 48.0°F (1980) | -14.1°F (2000) | 0.91 in (1965) |
| December 13 | 46.9°F (1998) | -18.9°F (1985) | 0.49 in (2005) |
| December 14 | 48.9°F (1998) | -18.0°F (1985) | 0.67 in (2005) |
| December 15 | 55.0°F (1998) | -20.0°F (1961) | 0.63 in (1996) |
| December 16 | 46.0°F (1959) | -18.9°F (1963) | 1.12 in (1984) |
| December 17 | 50.0°F (1962) | -23.1°F (1983) | 0.56 in (1967) |
| December 18 | 44.1°F (1962) | -27.0°F (1983) | 0.28 in (2000) |
| December 19 | 46.0°F (1997) | -33.0°F (1983) | 0.70 in (1968) |
| December 20 | 46.0°F (1967) | -27.9°F (1983) | 0.25 in (1990) |
| December 21 | 48.0°F (1967) | -26.0°F (1989) | 0.38 in (2010) |
| December 22 | 39.0°F (1985) | -24.0°F (1983) | 0.95 in (1968) |
| December 23 | 39.9°F (1994) | -31.0°F (1983) | 0.55 in (1965) |
| December 24 | 37.9°F (1994) | -27.9°F (1983) | 0.56 in (2009) |
| December 25 | 43.0°F (1994) | -22.0°F (1968) | 0.65 in (1982) |
| December 26 | 48.0°F (2011) | -29.0°F (1996) | 0.44 in (2009) |
| December 27 | 46.0°F (1959) | -29.9°F (1996) | 0.30 in (1959) |
| December 28 | 42.1°F (1994) | -18.0°F (1993) | 1.05 in (1982) |
| December 29 | 39.9°F (1965) | -18.0°F (1993) | 0.55 in (1972) |
| December 30 | 54.0°F (1999) | -24.0°F (1976) | 0.69 in (1972) |
| December 31 | 41.0°F (1965) | -27.9°F (1976) | 0.15 in (1977) |