December weather in Westville, IN
The average temperature in Westville in December is 29.2°F (21.5°F–36.8°F). Average precipitation: 2.11 inches. Average snowfall is 6.8 inches.
December is a winter month in Westville, and is cooler than the annual average of 49.4°F. Daily temperatures swing about 15.3°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 0m. For travel, December is cold.
Avg High
36.8°F
Avg Low
21.5°F
Precipitation
2.11 in
Snow
6.8 in
December records in Westville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (1962) | 8.1°F (1964) | 1.13 in (2006) |
| December 2 | 66.0°F (1970) | 5.0°F (1966) | 0.73 in (2018) |
| December 3 | 70.0°F (1982) | -0.9°F (1976) | 1.60 in (1982) |
| December 4 | 66.9°F (1998) | 1.0°F (2002) | 0.80 in (2012) |
| December 5 | 64.0°F (1998) | -2.9°F (2025) | 1.11 in (1999) |
| December 6 | 69.1°F (2001) | -2.0°F (2005) | 1.02 in (1972) |
| December 7 | 64.0°F (1998) | -9.9°F (1977) | 1.35 in (1994) |
| December 8 | 64.0°F (1966) | -7.1°F (2005) | 1.41 in (1966) |
| December 9 | 64.0°F (1966) | -8.0°F (1977) | 0.51 in (2009) |
| December 10 | 60.1°F (1971) | -5.1°F (1977) | 1.18 in (1971) |
| December 11 | 62.1°F (1971) | -9.9°F (1972) | 0.83 in (2021) |
| December 12 | 57.9°F (1990) | -9.0°F (1962) | 1.19 in (2020) |
| December 13 | 62.1°F (1991) | -14.1°F (2000) | 1.27 in (1972) |
| December 14 | 63.0°F (1975) | -2.9°F (1963) | 0.68 in (1999) |
| December 15 | 66.0°F (1975) | -5.1°F (1963) | 2.12 in (2011) |
| December 16 | 61.0°F (2021) | -11.0°F (1989) | 0.45 in (2024) |
| December 17 | 62.1°F (1984) | -11.9°F (1989) | 0.50 in (2023) |
| December 18 | 53.1°F (1977) | -9.0°F (1985) | 0.48 in (2021) |
| December 19 | 59.0°F (1999) | -16.1°F (2016) | 0.95 in (2008) |
| December 20 | 55.0°F (1988) | -15.0°F (2016) | 0.87 in (2012) |
| December 21 | 59.0°F (1967) | -11.9°F (1989) | 0.82 in (1967) |
| December 22 | 63.0°F (1967) | -20.0°F (2008) | 0.98 in (1984) |
| December 23 | 55.0°F (1994) | -15.0°F (1989) | 1.50 in (1988) |
| December 24 | 62.1°F (2015) | -20.0°F (1983) | 0.58 in (1965) |
| December 25 | 64.0°F (1982) | -20.0°F (1983) | 3.45 in (1965) |
| December 26 | 62.1°F (1982) | -14.1°F (1983) | 0.22 in (2009) |
| December 27 | 63.0°F (2019) | -16.1°F (2017) | 1.10 in (1988) |
| December 28 | 63.0°F (2008) | -5.1°F (2004) | 0.90 in (1968) |
| December 29 | 64.9°F (1984) | -9.9°F (1983) | 2.89 in (1990) |
| December 30 | 60.1°F (2019) | -16.1°F (1983) | 1.78 in (2024) |
| December 31 | 59.0°F (1965) | -11.9°F (1976) | 0.93 in (1992) |