December weather in Williamson, WV
The average temperature in Williamson in December is 40.2°F (30.1°F–50.2°F). Average precipitation: 4.12 inches. Average snowfall is 2.4 inches.
December is a winter month in Williamson, and is cooler than the annual average of 57.7°F. Daily temperatures swing about 20.1°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 9h 24m. For travel, December is cool.
Avg High
50.2°F
Avg Low
30.1°F
Precipitation
4.12 in
Snow
2.4 in
December records in Williamson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 70.0°F (2006) | 21.9°F (2002) | 2.09 in (2010) |
| December 2 | 77.0°F (2001) | 21.0°F (2002) | 1.40 in (2015) |
| December 3 | 72.0°F (2012) | 23.0°F (2008) | 3.95 in (1991) |
| December 4 | 73.0°F (2012) | 19.0°F (2024) | 2.41 in (1978) |
| December 5 | 71.1°F (2013) | 19.0°F (2024) | 1.61 in (1993) |
| December 6 | 79.0°F (2001) | 15.1°F (2002) | 1.60 in (2013) |
| December 7 | 70.0°F (2001) | 16.0°F (2002) | 1.60 in (2013) |
| December 8 | 75.0°F (2004) | 14.0°F (2010) | 1.71 in (1978) |
| December 9 | 68.0°F (2023) | 12.0°F (2010) | 2.99 in (1978) |
| December 10 | 73.0°F (2007) | 9.0°F (1995) | 1.12 in (1961) |
| December 11 | 68.0°F (2021) | 9.0°F (1995) | 0.84 in (1994) |
| December 12 | 75.9°F (2007) | 16.0°F (2009) | 1.86 in (2008) |
| December 13 | 69.1°F (1996) | 16.0°F (2009) | 1.07 in (1956) |
| December 14 | 75.0°F (2015) | 14.0°F (2010) | 1.02 in (2020) |
| December 15 | 72.0°F (2001) | 9.0°F (2025) | 1.10 in (1951) |
| December 16 | 73.9°F (2021) | 8.1°F (2025) | 0.90 in (1975) |
| December 17 | 73.9°F (2021) | 12.0°F (2010) | 1.50 in (2008) |
| December 18 | 72.0°F (2006) | 19.0°F (2007) | 1.29 in (2016) |
| December 19 | 68.0°F (2006) | 19.0°F (2007) | 2.50 in (2009) |
| December 20 | 69.1°F (2008) | 5.0°F (2004) | 1.00 in (2004) |
| December 21 | 64.9°F (2025) | 5.0°F (2004) | 0.85 in (1951) |
| December 22 | 75.0°F (2013) | 10.0°F (2008) | 1.30 in (2013) |
| December 23 | 64.9°F (2015) | 10.0°F (2008) | 0.85 in (2011) |
| December 24 | 73.0°F (1996) | 1.0°F (2022) | 1.25 in (2016) |
| December 25 | 73.9°F (2015) | 3.9°F (2022) | 1.45 in (2010) |
| December 26 | 68.0°F (2021) | 10.9°F (2022) | 1.44 in (1987) |
| December 27 | 73.0°F (2016) | 12.0°F (2022) | 0.63 in (2016) |
| December 28 | 80.1°F (2015) | 14.0°F (1995) | 1.70 in (1990) |
| December 29 | 75.0°F (2025) | 14.0°F (1995) | 1.65 in (1954) |
| December 30 | 73.0°F (2022) | 15.1°F (1993) | 1.87 in (1969) |
| December 31 | 73.0°F (2022) | 14.0°F (1993) | 1.58 in (1969) |