December weather in Grafton, WV
The average temperature in Grafton in December is 34.5°F (26.2°F–42.9°F). Average precipitation: 3.83 inches. Average snowfall is 3.6 inches.
December is a winter month in Grafton, and is cooler than the annual average of 51.5°F. Daily temperatures swing about 16.7°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 9h 14m. For travel, December is cold.
Avg High
42.9°F
Avg Low
26.2°F
Precipitation
3.83 in
Snow
3.6 in
December records in Grafton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 71.1°F (2001) | 21.0°F (2023) | 1.75 in (2010) |
| December 2 | 70.0°F (2006) | 19.0°F (2024) | 1.23 in (2015) |
| December 3 | 64.9°F (2018) | 15.1°F (2000) | 0.62 in (2009) |
| December 4 | 63.0°F (2001) | 10.0°F (2002) | 0.50 in (2005) |
| December 5 | 68.0°F (2001) | 10.9°F (2000) | 0.53 in (2002) |
| December 6 | 73.0°F (2001) | 9.0°F (2007) | 1.11 in (2013) |
| December 7 | 63.0°F (2021) | 8.1°F (2007) | 1.11 in (2011) |
| December 8 | 70.0°F (2004) | 12.0°F (2005) | 1.18 in (2011) |
| December 9 | 64.0°F (2023) | 12.0°F (2005) | 1.62 in (2009) |
| December 10 | 64.9°F (2023) | 12.9°F (2002) | 1.23 in (2019) |
| December 11 | 66.9°F (2021) | 14.0°F (2018) | 0.91 in (2003) |
| December 12 | 69.1°F (2021) | 12.9°F (2009) | 1.54 in (2008) |
| December 13 | 69.1°F (2015) | 12.9°F (2005) | 0.68 in (2007) |
| December 14 | 66.0°F (2001) | 8.1°F (2010) | 1.75 in (2007) |
| December 15 | 70.0°F (2001) | 5.0°F (2025) | 2.09 in (1948) |
| December 16 | 64.0°F (2008) | 5.0°F (2016) | 0.90 in (1948) |
| December 17 | 69.1°F (2021) | 9.0°F (2016) | 1.48 in (2019) |
| December 18 | 66.9°F (2016) | 14.0°F (2000) | 0.89 in (2001) |
| December 19 | 62.1°F (2021) | 14.0°F (2000) | 0.53 in (2024) |
| December 20 | 64.0°F (2002) | 0.0°F (2004) | 0.56 in (2002) |
| December 21 | 60.1°F (2013) | 8.1°F (2004) | 0.65 in (2012) |
| December 22 | 72.0°F (2013) | 5.0°F (2008) | 0.75 in (2018) |
| December 23 | 63.0°F (2004) | 5.0°F (2000) | 0.40 in (2022) |
| December 24 | 68.0°F (2015) | -4.0°F (2022) | 0.69 in (2017) |
| December 25 | 66.9°F (2015) | -0.9°F (2022) | 0.95 in (2020) |
| December 26 | 63.0°F (2023) | -2.0°F (2000) | 0.82 in (2005) |
| December 27 | 66.9°F (2016) | -2.0°F (2000) | 0.73 in (2012) |
| December 28 | 71.1°F (2008) | 0.0°F (2017) | 1.02 in (2011) |
| December 29 | 66.9°F (2008) | 0.0°F (2017) | 0.63 in (2021) |
| December 30 | 66.9°F (2024) | 7.0°F (2000) | 0.56 in (2013) |
| December 31 | 69.1°F (2022) | 3.0°F (2017) | 0.20 in (2010) |