December weather in Siren, WI
The average temperature in Siren in December is 18.4°F (9.5°F–27.2°F). Average precipitation: 1.37 inches. Average snowfall is 11.9 inches.
December is a winter month in Siren, and is cooler than the annual average of 43.1°F. Daily temperatures swing about 17.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 8h 29m. For travel, December is cold.
Avg High
27.2°F
Avg Low
9.5°F
Precipitation
1.37 in
Snow
11.9 in
December records in Siren
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.0°F (1962) | -20.0°F (1976) | 0.81 in (1985) |
| December 2 | 57.0°F (1998) | -23.1°F (1976) | 0.78 in (2007) |
| December 3 | 60.1°F (1982) | -23.1°F (1976) | 0.77 in (1953) |
| December 4 | 57.0°F (1962) | -18.9°F (1950) | 0.36 in (1960) |
| December 5 | 51.1°F (1960) | -20.9°F (1964) | 0.76 in (2013) |
| December 6 | 57.9°F (2001) | -20.0°F (1955) | 0.27 in (1987) |
| December 7 | 50.0°F (2023) | -23.1°F (2013) | 0.56 in (1969) |
| December 8 | 46.9°F (2024) | -20.9°F (2013) | 0.84 in (1963) |
| December 9 | 46.9°F (2020) | -22.0°F (1955) | 0.42 in (1987) |
| December 10 | 46.9°F (1990) | -25.1°F (1955) | 0.55 in (2012) |
| December 11 | 46.9°F (1990) | -23.1°F (1961) | 0.55 in (1964) |
| December 12 | 46.0°F (2001) | -23.1°F (1955) | 0.75 in (1965) |
| December 13 | 48.0°F (1998) | -24.0°F (1985) | 1.67 in (1968) |
| December 14 | 52.0°F (1998) | -22.0°F (1985) | 1.16 in (1995) |
| December 15 | 55.9°F (2021) | -29.9°F (1961) | 0.59 in (2008) |
| December 16 | 46.0°F (1984) | -26.0°F (1963) | 1.20 in (1984) |
| December 17 | 46.0°F (1984) | -26.0°F (1950) | 0.65 in (1977) |
| December 18 | 44.1°F (1997) | -34.1°F (1983) | 0.49 in (1977) |
| December 19 | 45.0°F (1997) | -38.9°F (1955) | 0.38 in (1968) |
| December 20 | 45.0°F (1967) | -36.0°F (1983) | 0.21 in (1965) |
| December 21 | 46.0°F (2006) | -34.1°F (1983) | 0.42 in (2010) |
| December 22 | 42.1°F (1957) | -27.9°F (1989) | 0.45 in (1968) |
| December 23 | 48.0°F (2023) | -33.0°F (1983) | 0.43 in (1965) |
| December 24 | 53.1°F (2023) | -29.9°F (1983) | 0.93 in (2023) |
| December 25 | 51.1°F (2023) | -40.0°F (1968) | 0.97 in (1982) |
| December 26 | 46.9°F (2023) | -27.9°F (1996) | 0.91 in (2016) |
| December 27 | 46.9°F (2011) | -26.0°F (1990) | 0.48 in (1988) |
| December 28 | 42.1°F (2003) | -26.0°F (2017) | 1.47 in (1982) |
| December 29 | 39.0°F (2024) | -23.1°F (1968) | 1.13 in (2019) |
| December 30 | 46.9°F (1999) | -29.9°F (1976) | 0.48 in (2005) |
| December 31 | 46.0°F (2004) | -35.0°F (1973) | 0.72 in (2010) |