January weather in Grantsburg, WI
The average temperature in Grantsburg in January is 11.7°F (1.2°F–22.2°F). Average precipitation: 0.86 inches. Average snowfall is 10.8 inches.
January is a winter month in Grantsburg, and is cooler than the annual average of 43.1°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 8h 51m. For travel, January is cold.
Avg High
22.2°F
Avg Low
1.2°F
Precipitation
0.86 in
Snow
10.8 in
January records in Grantsburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 46.0°F (2005) | -29.9°F (1974) | 0.58 in (2007) |
| January 2 | 42.1°F (1964) | -33.0°F (1979) | 0.70 in (1976) |
| January 3 | 44.1°F (1962) | -32.1°F (1979) | 0.64 in (2023) |
| January 4 | 39.0°F (1984) | -27.9°F (1959) | 0.55 in (1997) |
| January 5 | 41.0°F (2019) | -27.0°F (1979) | 0.46 in (1997) |
| January 6 | 44.1°F (2012) | -34.1°F (1973) | 0.66 in (1980) |
| January 7 | 45.0°F (2012) | -31.0°F (1974) | 0.56 in (1983) |
| January 8 | 46.0°F (2003) | -31.0°F (1973) | 0.61 in (1989) |
| January 9 | 51.1°F (2003) | -42.0°F (1977) | 0.61 in (1992) |
| January 10 | 48.0°F (2002) | -31.0°F (1982) | 0.33 in (1975) |
| January 11 | 52.0°F (2012) | -31.0°F (1974) | 0.99 in (1975) |
| January 12 | 44.1°F (2002) | -32.1°F (1954) | 0.35 in (1966) |
| January 13 | 42.1°F (1987) | -32.1°F (1977) | 0.24 in (1993) |
| January 14 | 39.9°F (1980) | -44.0°F (1965) | 0.35 in (2021) |
| January 15 | 37.9°F (2023) | -38.9°F (1972) | 0.62 in (1953) |
| January 16 | 45.0°F (1973) | -36.0°F (1977) | 0.51 in (2023) |
| January 17 | 41.0°F (1999) | -38.0°F (1954) | 0.18 in (2006) |
| January 18 | 42.1°F (2017) | -38.9°F (1994) | 1.14 in (1996) |
| January 19 | 43.0°F (2017) | -38.9°F (1970) | 0.26 in (2023) |
| January 20 | 46.9°F (2017) | -34.1°F (1994) | 0.30 in (1972) |
| January 21 | 39.0°F (2018) | -36.9°F (1954) | 0.42 in (2020) |
| January 22 | 39.9°F (1964) | -31.0°F (2011) | 0.62 in (2005) |
| January 23 | 46.0°F (2002) | -36.0°F (1963) | 1.13 in (1982) |
| January 24 | 43.0°F (1981) | -34.1°F (1952) | 0.61 in (1972) |
| January 25 | 51.1°F (1981) | -32.1°F (1966) | 0.25 in (1986) |
| January 26 | 48.9°F (1981) | -29.0°F (1963) | 0.27 in (1970) |
| January 27 | 48.0°F (2002) | -33.0°F (1955) | 0.30 in (1962) |
| January 28 | 48.0°F (2006) | -38.0°F (1952) | 0.42 in (1969) |
| January 29 | 44.1°F (2008) | -38.9°F (1951) | 0.59 in (1975) |
| January 30 | 42.1°F (2025) | -38.0°F (1951) | 0.55 in (2001) |
| January 31 | 50.0°F (2024) | -38.0°F (2019) | 0.32 in (1967) |