December weather in Cass Lake, MN
The average temperature in Cass Lake in December is 14.2°F (5.6°F–22.9°F). Average precipitation: 1.01 inches. Average snowfall is 11.5 inches.
December is a winter month in Cass Lake, and is cooler than the annual average of 39.9°F. Daily temperatures swing about 17.3°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 8h 16m. For travel, December is cold.
Avg High
22.9°F
Avg Low
5.6°F
Precipitation
1.01 in
Snow
11.5 in
December records in Cass Lake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 46.9°F (1962) | -32.1°F (1976) | 0.55 in (2007) |
| December 2 | 54.0°F (1962) | -32.1°F (1976) | 0.35 in (1985) |
| December 3 | 57.9°F (1962) | -31.0°F (1985) | 0.33 in (2013) |
| December 4 | 52.0°F (1962) | -27.0°F (1964) | 1.55 in (1951) |
| December 5 | 48.0°F (1951) | -27.9°F (1955) | 0.80 in (1960) |
| December 6 | 52.0°F (1988) | -27.9°F (1955) | 0.55 in (1987) |
| December 7 | 51.1°F (1988) | -38.0°F (1976) | 0.32 in (1951) |
| December 8 | 51.1°F (1988) | -29.0°F (2013) | 0.27 in (1969) |
| December 9 | 53.1°F (1990) | -29.0°F (1955) | 0.69 in (2024) |
| December 10 | 50.0°F (1990) | -35.0°F (1977) | 0.28 in (1993) |
| December 11 | 44.1°F (1974) | -34.1°F (1977) | 0.62 in (1949) |
| December 12 | 46.9°F (2011) | -27.9°F (1955) | 0.59 in (1965) |
| December 13 | 45.0°F (2021) | -27.9°F (1985) | 0.80 in (1968) |
| December 14 | 45.0°F (1998) | -26.0°F (1985) | 0.58 in (2022) |
| December 15 | 52.0°F (2023) | -29.0°F (1961) | 0.64 in (2008) |
| December 16 | 48.9°F (2018) | -32.1°F (1963) | 0.75 in (2021) |
| December 17 | 50.0°F (2025) | -35.0°F (1983) | 0.27 in (1956) |
| December 18 | 37.0°F (1962) | -38.9°F (1983) | 0.43 in (1977) |
| December 19 | 45.0°F (2006) | -45.9°F (1983) | 0.44 in (1958) |
| December 20 | 44.1°F (1953) | -45.9°F (1983) | 0.65 in (1990) |
| December 21 | 42.1°F (1979) | -40.0°F (1989) | 0.40 in (1967) |
| December 22 | 44.1°F (2019) | -34.1°F (1963) | 0.34 in (2001) |
| December 23 | 48.9°F (2019) | -35.0°F (1990) | 2.10 in (1968) |
| December 24 | 46.0°F (1994) | -32.1°F (1983) | 0.37 in (2007) |
| December 25 | 46.0°F (2023) | -38.0°F (1968) | 0.80 in (2023) |
| December 26 | 42.1°F (1957) | -36.9°F (1993) | 0.80 in (1968) |
| December 27 | 48.0°F (1994) | -38.0°F (1993) | 0.64 in (1959) |
| December 28 | 46.0°F (1994) | -34.1°F (2017) | 0.22 in (2018) |
| December 29 | 43.0°F (2024) | -32.1°F (1988) | 0.67 in (2019) |
| December 30 | 44.1°F (1999) | -40.0°F (1990) | 0.62 in (2004) |
| December 31 | 36.0°F (1956) | -40.0°F (1976) | 0.87 in (2010) |