December weather in Tomah, WI
The average temperature in Tomah in December is 21.3°F (12.8°F–29.7°F). Average precipitation: 1.51 inches. Average snowfall is 12.0 inches.
December is a winter month in Tomah, and is cooler than the annual average of 43.9°F. Daily temperatures swing about 16.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 8h 43m. For travel, December is cold.
Avg High
29.7°F
Avg Low
12.8°F
Precipitation
1.51 in
Snow
12.0 in
December records in Tomah
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 59.0°F (1922) | -9.9°F (1919) | 0.40 in (1925) |
| December 2 | 61.0°F (1998) | -16.1°F (1919) | 1.10 in (2007) |
| December 3 | 62.1°F (1982) | -20.0°F (1940) | 0.34 in (2018) |
| December 4 | 61.0°F (1998) | -9.0°F (1940) | 0.84 in (1953) |
| December 5 | 62.1°F (2001) | -9.9°F (1991) | 0.50 in (1947) |
| December 6 | 62.1°F (2001) | -18.9°F (1926) | 0.77 in (1982) |
| December 7 | 55.0°F (1916) | -24.0°F (1972) | 0.41 in (1987) |
| December 8 | 59.0°F (1946) | -18.0°F (1917) | 0.61 in (1969) |
| December 9 | 53.1°F (2023) | -22.0°F (1927) | 0.66 in (2009) |
| December 10 | 60.1°F (1939) | -22.0°F (1919) | 0.63 in (1918) |
| December 11 | 55.0°F (1979) | -20.0°F (1936) | 0.90 in (1931) |
| December 12 | 55.0°F (1949) | -18.9°F (1936) | 1.27 in (2010) |
| December 13 | 53.1°F (1968) | -25.1°F (1903) | 1.00 in (2015) |
| December 14 | 53.1°F (1920) | -24.0°F (1985) | 1.90 in (2015) |
| December 15 | 54.0°F (1998) | -27.0°F (1919) | 1.68 in (2022) |
| December 16 | 64.0°F (2021) | -27.0°F (1932) | 0.76 in (1992) |
| December 17 | 55.0°F (1959) | -23.1°F (1932) | 1.18 in (1908) |
| December 18 | 53.1°F (1939) | -23.1°F (1983) | 0.77 in (1990) |
| December 19 | 53.1°F (1923) | -29.0°F (1983) | 1.01 in (1968) |
| December 20 | 52.0°F (1923) | -24.0°F (1924) | 0.60 in (1952) |
| December 21 | 51.1°F (1967) | -27.9°F (1989) | 0.41 in (1977) |
| December 22 | 51.1°F (1941) | -26.0°F (1989) | 0.80 in (1984) |
| December 23 | 52.0°F (1957) | -25.1°F (1983) | 0.86 in (2007) |
| December 24 | 51.1°F (2020) | -26.0°F (1951) | 0.86 in (2015) |
| December 25 | 52.0°F (1936) | -26.0°F (1951) | 1.15 in (2009) |
| December 26 | 53.1°F (1936) | -27.9°F (1914) | 0.83 in (2023) |
| December 27 | 52.0°F (1936) | -26.0°F (1933) | 0.80 in (1911) |
| December 28 | 50.0°F (1984) | -26.0°F (1924) | 1.70 in (1904) |
| December 29 | 55.0°F (1984) | -20.9°F (1917) | 1.22 in (2019) |
| December 30 | 52.0°F (2019) | -20.0°F (1916) | 1.00 in (1972) |
| December 31 | 52.0°F (1965) | -22.0°F (1967) | 0.60 in (1911) |