December weather in Shelton, CT
The average temperature in Shelton in December is 32.3°F (23.3°F–41.2°F). Average precipitation: 4.57 inches.
December is a winter month in Shelton, and is cooler than the annual average of 50.2°F. Daily temperatures swing about 17.9°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 2m. For travel, December is cold.
Avg High
41.2°F
Avg Low
23.3°F
Precipitation
4.57 in
Daylight
9h 2m
December records in Shelton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (2016) | 16.0°F (2013) | 2.38 in (2020) |
| December 2 | 64.0°F (2014) | 23.0°F (2019) | 3.23 in (1986) |
| December 3 | 51.1°F (2011) | 26.1°F (2011) | 0.71 in (1991) |
| December 4 | 55.0°F (2012) | 21.9°F (2019) | 2.16 in (1990) |
| December 5 | 55.0°F (2012) | 23.0°F (2014) | 2.56 in (1993) |
| December 6 | 53.1°F (2011) | 23.0°F (2014) | 1.63 in (1973) |
| December 7 | 57.0°F (2011) | 21.9°F (2019) | 1.72 in (2022) |
| December 8 | 55.0°F (2011) | 12.9°F (2019) | 2.40 in (2011) |
| December 9 | 48.9°F (2012) | 9.0°F (2011) | 1.68 in (1974) |
| December 10 | 48.9°F (2015) | 0.0°F (2014) | 2.33 in (2014) |
| December 11 | 59.0°F (2015) | 3.0°F (2014) | 1.73 in (1969) |
| December 12 | 57.0°F (2015) | 17.1°F (2013) | 1.11 in (1992) |
| December 13 | 57.9°F (2015) | 10.0°F (2013) | 1.94 in (2010) |
| December 14 | 62.1°F (2015) | 17.1°F (2013) | 1.15 in (2002) |
| December 15 | 61.0°F (2015) | 15.1°F (2013) | 2.09 in (2003) |
| December 16 | 54.0°F (2011) | 9.0°F (2016) | 1.02 in (1981) |
| December 17 | 50.0°F (2014) | 7.0°F (2013) | 1.55 in (1974) |
| December 18 | 48.0°F (2015) | 12.0°F (2013) | 3.25 in (2023) |
| December 19 | 51.1°F (2016) | 12.0°F (2019) | 1.90 in (1986) |
| December 20 | 48.0°F (2012) | 9.0°F (2016) | 0.55 in (1995) |
| December 21 | 62.1°F (2015) | 9.0°F (2016) | 2.05 in (2002) |
| December 22 | 57.0°F (2013) | 15.1°F (2019) | 1.32 in (1977) |
| December 23 | 63.0°F (2013) | 16.0°F (2019) | 1.66 in (1983) |
| December 24 | 62.1°F (2019) | 19.9°F (2012) | 1.70 in (1994) |
| December 25 | 54.0°F (2014) | 17.1°F (2013) | 1.40 in (1986) |
| December 26 | 51.1°F (2014) | 16.0°F (2013) | 1.26 in (1975) |
| December 27 | 54.0°F (2016) | 16.0°F (2013) | 1.06 in (2010) |
| December 28 | 57.9°F (2016) | 16.0°F (2013) | 2.44 in (2023) |
| December 29 | 46.9°F (2011) | 19.9°F (2011) | 1.69 in (1966) |
| December 30 | 44.1°F (2019) | 19.9°F (2011) | 1.16 in (1997) |
| December 31 | 51.1°F (2011) | 14.0°F (2012) | 0.88 in (2020) |