December weather in Boy River, MN
The average temperature in Boy River in December is 15.0°F (6.8°F–23.1°F). Average precipitation: 1.09 inches. Average snowfall is 11.1 inches.
December is a winter month in Boy River, and is cooler than the annual average of 40.7°F. Daily temperatures swing about 16.3°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 8h 18m. For travel, December is cold.
Avg High
23.1°F
Avg Low
6.8°F
Precipitation
1.09 in
Snow
11.1 in
December records in Boy River
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.9°F (1962) | -44.0°F (1896) | 0.30 in (1970) |
| December 2 | 55.0°F (1962) | -41.1°F (1896) | 0.74 in (2007) |
| December 3 | 55.9°F (1962) | -32.1°F (1927) | 0.53 in (2013) |
| December 4 | 52.0°F (1941) | -22.0°F (1991) | 0.53 in (1896) |
| December 5 | 48.0°F (1988) | -24.0°F (1936) | 0.80 in (1909) |
| December 6 | 57.0°F (1939) | -24.0°F (1926) | 0.69 in (1987) |
| December 7 | 52.0°F (1939) | -34.1°F (1936) | 0.47 in (1969) |
| December 8 | 46.9°F (2023) | -27.0°F (1910) | 0.68 in (1894) |
| December 9 | 52.0°F (1939) | -29.0°F (1927) | 0.45 in (1918) |
| December 10 | 48.9°F (1912) | -29.0°F (1977) | 0.48 in (2025) |
| December 11 | 53.1°F (1913) | -35.0°F (1936) | 0.36 in (1983) |
| December 12 | 48.9°F (1913) | -29.9°F (1903) | 0.46 in (1920) |
| December 13 | 44.1°F (1998) | -34.1°F (1940) | 0.85 in (1968) |
| December 14 | 42.1°F (1960) | -33.0°F (1901) | 0.53 in (1992) |
| December 15 | 48.9°F (1998) | -29.0°F (1919) | 0.81 in (1902) |
| December 16 | 48.0°F (1939) | -27.9°F (1897) | 0.77 in (1946) |
| December 17 | 48.9°F (1939) | -27.9°F (1897) | 0.38 in (1967) |
| December 18 | 44.1°F (1900) | -32.1°F (1983) | 0.38 in (1977) |
| December 19 | 45.0°F (1923) | -38.9°F (1955) | 0.29 in (1966) |
| December 20 | 45.0°F (1923) | -35.0°F (1983) | 0.63 in (1990) |
| December 21 | 44.1°F (1899) | -34.1°F (1989) | 0.70 in (2021) |
| December 22 | 50.0°F (2001) | -26.0°F (1897) | 0.28 in (2007) |
| December 23 | 45.0°F (1936) | -29.9°F (1983) | 0.63 in (1900) |
| December 24 | 44.1°F (1994) | -33.0°F (1921) | 0.17 in (1907) |
| December 25 | 46.0°F (2023) | -44.0°F (1933) | 0.60 in (2009) |
| December 26 | 44.1°F (1994) | -38.0°F (1934) | 0.36 in (2009) |
| December 27 | 43.0°F (1994) | -40.0°F (1933) | 0.62 in (1904) |
| December 28 | 44.1°F (1994) | -36.0°F (1933) | 0.52 in (1927) |
| December 29 | 39.0°F (1929) | -41.1°F (1917) | 0.26 in (1951) |
| December 30 | 46.0°F (1904) | -41.1°F (1898) | 0.74 in (1936) |
| December 31 | 48.0°F (1904) | -51.0°F (1898) | 0.75 in (2010) |