December weather in Franklin, IL
The average temperature in Franklin in December is 32.2°F (23.3°F–41.2°F). Average precipitation: 1.98 inches. Average snowfall is 3.5 inches.
December is a winter month in Franklin, and is cooler than the annual average of 52.7°F. Daily temperatures swing about 17.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 13m. For travel, December is cold.
Avg High
41.2°F
Avg Low
23.3°F
Precipitation
1.98 in
Snow
3.5 in
December records in Franklin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.9°F (1982) | 5.0°F (1896) | 1.85 in (1985) |
| December 2 | 68.0°F (1982) | -2.0°F (1929) | 1.17 in (1986) |
| December 3 | 72.0°F (1982) | -9.0°F (1929) | 4.80 in (1982) |
| December 4 | 73.9°F (2012) | 1.9°F (1929) | 1.63 in (1973) |
| December 5 | 73.9°F (1998) | -2.9°F (1895) | 1.20 in (1956) |
| December 6 | 68.0°F (1932) | -0.9°F (1977) | 0.63 in (1960) |
| December 7 | 72.0°F (1980) | -4.0°F (1976) | 1.81 in (1966) |
| December 8 | 69.1°F (1946) | -4.0°F (1917) | 1.30 in (1980) |
| December 9 | 73.0°F (1991) | -5.1°F (1917) | 1.12 in (1967) |
| December 10 | 64.9°F (1918) | -11.9°F (1917) | 0.73 in (1971) |
| December 11 | 71.1°F (1949) | -11.9°F (1917) | 1.53 in (1985) |
| December 12 | 64.0°F (1896) | -8.0°F (1962) | 1.10 in (1946) |
| December 13 | 70.0°F (2015) | -7.1°F (1903) | 1.60 in (1972) |
| December 14 | 64.0°F (1975) | -9.0°F (2025) | 1.04 in (2015) |
| December 15 | 72.0°F (1948) | -13.0°F (1901) | 1.48 in (1971) |
| December 16 | 71.1°F (2021) | -15.0°F (1932) | 0.96 in (1992) |
| December 17 | 64.0°F (1984) | -9.9°F (1914) | 1.60 in (1924) |
| December 18 | 66.9°F (1939) | -7.1°F (1932) | 2.25 in (1895) |
| December 19 | 60.1°F (1957) | -18.0°F (1901) | 2.86 in (1895) |
| December 20 | 66.0°F (1949) | -17.0°F (1989) | 1.13 in (2011) |
| December 21 | 63.0°F (1967) | -15.0°F (1989) | 2.10 in (1949) |
| December 22 | 64.0°F (1933) | -18.9°F (1989) | 0.62 in (1990) |
| December 23 | 70.0°F (1933) | -20.0°F (1989) | 2.45 in (1988) |
| December 24 | 64.0°F (1955) | -16.1°F (1989) | 1.25 in (2009) |
| December 25 | 66.9°F (1936) | -13.0°F (1983) | 1.76 in (1982) |
| December 26 | 66.0°F (1942) | -24.0°F (1944) | 0.48 in (2016) |
| December 27 | 66.9°F (1946) | -8.0°F (2017) | 2.40 in (2015) |
| December 28 | 64.9°F (1946) | -17.0°F (1924) | 1.10 in (2008) |
| December 29 | 73.0°F (1984) | -11.0°F (1917) | 1.60 in (2015) |
| December 30 | 66.9°F (1965) | -14.1°F (1909) | 2.00 in (1984) |
| December 31 | 66.0°F (2002) | -8.0°F (1939) | 1.15 in (2018) |