December weather in St. Francis, WI
The average temperature in St. Francis in December is 29.5°F (23.0°F–36.1°F). Average precipitation: 1.88 inches. Average snowfall is 10.4 inches.
December is a winter month in St. Francis, and is cooler than the annual average of 49.3°F. Daily temperatures swing about 13.1°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 8h 50m. For travel, December is cold.
Avg High
36.1°F
Avg Low
23.0°F
Precipitation
1.88 in
Snow
10.4 in
December records in St. Francis
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.0°F (1970) | 3.9°F (1966) | 1.67 in (1985) |
| December 2 | 63.0°F (1982) | -6.0°F (1940) | 2.24 in (1982) |
| December 3 | 64.9°F (2012) | -13.0°F (1940) | 1.02 in (1990) |
| December 4 | 64.0°F (2017) | 6.1°F (2025) | 1.68 in (1973) |
| December 5 | 68.0°F (2001) | 3.0°F (2005) | 0.78 in (1982) |
| December 6 | 55.9°F (1998) | -7.1°F (1972) | 0.69 in (1998) |
| December 7 | 60.1°F (1946) | -9.9°F (1972) | 0.70 in (1950) |
| December 8 | 63.0°F (1946) | -4.0°F (1958) | 0.52 in (1977) |
| December 9 | 60.1°F (1946) | -9.9°F (1958) | 0.71 in (2003) |
| December 10 | 57.0°F (2015) | -8.0°F (1978) | 1.33 in (1971) |
| December 11 | 60.1°F (1949) | -9.9°F (1972) | 0.92 in (2020) |
| December 12 | 57.9°F (1991) | -7.1°F (1962) | 0.64 in (2020) |
| December 13 | 60.1°F (2015) | -6.0°F (1961) | 0.93 in (2015) |
| December 14 | 60.1°F (1975) | -7.1°F (1958) | 1.07 in (2022) |
| December 15 | 66.9°F (2021) | -7.1°F (1951) | 1.57 in (1987) |
| December 16 | 68.0°F (2021) | -9.9°F (1951) | 0.37 in (2016) |
| December 17 | 51.1°F (1939) | -9.9°F (1945) | 0.42 in (1951) |
| December 18 | 51.1°F (1957) | -13.0°F (1983) | 0.61 in (1957) |
| December 19 | 53.1°F (2002) | -16.1°F (1983) | 1.02 in (1987) |
| December 20 | 53.1°F (1949) | -11.9°F (1963) | 2.16 in (2012) |
| December 21 | 57.0°F (1967) | -15.0°F (1989) | 0.52 in (1967) |
| December 22 | 54.0°F (2019) | -11.0°F (1983) | 1.45 in (2006) |
| December 23 | 57.9°F (2015) | -15.0°F (1983) | 1.11 in (1959) |
| December 24 | 54.0°F (1955) | -20.0°F (1983) | 1.84 in (1979) |
| December 25 | 61.0°F (1982) | -11.9°F (1983) | 0.96 in (2009) |
| December 26 | 57.9°F (2019) | -14.1°F (1962) | 1.28 in (1942) |
| December 27 | 55.0°F (1946) | -11.9°F (1950) | 1.04 in (2008) |
| December 28 | 62.1°F (1984) | -8.0°F (1961) | 0.90 in (2015) |
| December 29 | 62.1°F (1984) | -9.0°F (1963) | 1.07 in (2019) |
| December 30 | 59.0°F (2022) | -11.0°F (1963) | 0.85 in (1971) |
| December 31 | 55.0°F (1965) | -15.0°F (1963) | 1.01 in (1978) |