December weather in Shelbyville, IN
The average temperature in Shelbyville in December is 32.9°F (25.2°F–40.7°F). Average precipitation: 3.39 inches. Average snowfall is 3.6 inches.
December is a winter month in Shelbyville, and is cooler than the annual average of 52.7°F. Daily temperatures swing about 15.5°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 13m. For travel, December is cold.
Avg High
40.7°F
Avg Low
25.2°F
Precipitation
3.39 in
Snow
3.6 in
December records in Shelbyville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.9°F (1998) | -2.0°F (1958) | 2.50 in (2006) |
| December 2 | 66.9°F (1962) | 3.0°F (1966) | 0.91 in (1967) |
| December 3 | 75.0°F (1982) | -2.9°F (1929) | 2.19 in (1967) |
| December 4 | 70.0°F (1982) | 1.0°F (1966) | 1.21 in (1951) |
| December 5 | 70.0°F (1998) | 7.0°F (1991) | 1.68 in (1961) |
| December 6 | 69.1°F (2001) | 5.0°F (2007) | 2.11 in (2014) |
| December 7 | 73.0°F (1998) | -2.9°F (1977) | 2.92 in (1951) |
| December 8 | 69.1°F (2001) | -2.0°F (1977) | 0.79 in (1974) |
| December 9 | 66.9°F (1952) | -11.9°F (1917) | 1.94 in (1923) |
| December 10 | 64.9°F (1897) | -11.0°F (1917) | 1.22 in (1946) |
| December 11 | 68.0°F (1931) | -24.0°F (1917) | 1.61 in (1931) |
| December 12 | 64.0°F (1949) | -16.1°F (1917) | 1.57 in (1946) |
| December 13 | 69.1°F (2015) | -8.0°F (1898) | 1.92 in (1923) |
| December 14 | 66.0°F (2015) | -4.0°F (1914) | 1.00 in (1977) |
| December 15 | 69.1°F (1933) | -22.0°F (1917) | 1.23 in (1975) |
| December 16 | 63.0°F (1948) | -11.9°F (1951) | 0.88 in (1897) |
| December 17 | 64.9°F (1924) | -15.0°F (1914) | 1.86 in (1933) |
| December 18 | 64.9°F (1990) | -6.0°F (1922) | 1.24 in (1924) |
| December 19 | 57.9°F (1962) | -11.9°F (1963) | 1.25 in (2008) |
| December 20 | 66.9°F (1949) | -15.0°F (1963) | 1.00 in (1957) |
| December 21 | 63.0°F (1949) | -17.0°F (1963) | 1.45 in (2013) |
| December 22 | 66.0°F (1967) | -22.0°F (1989) | 3.28 in (2013) |
| December 23 | 64.9°F (1933) | -22.0°F (1989) | 1.73 in (1981) |
| December 24 | 64.9°F (1932) | -13.0°F (1983) | 1.30 in (1945) |
| December 25 | 82.0°F (1982) | -11.9°F (1983) | 0.77 in (1945) |
| December 26 | 63.0°F (2019) | -11.0°F (1983) | 1.40 in (1904) |
| December 27 | 64.9°F (2015) | -9.9°F (1935) | 2.00 in (2015) |
| December 28 | 66.9°F (2008) | -7.1°F (1920) | 1.35 in (1954) |
| December 29 | 68.0°F (2025) | -2.9°F (1983) | 2.01 in (1990) |
| December 30 | 64.0°F (1996) | -16.1°F (1909) | 1.88 in (1932) |
| December 31 | 70.0°F (1951) | -9.9°F (1983) | 0.75 in (1973) |