December weather in Williston, SC
The average temperature in Williston in December is 48.5°F (38.0°F–59.0°F). Average precipitation: 3.90 inches.
December is a winter month in Williston, and is cooler than the annual average of 63.9°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 48m. For travel, December is a comfortable month to visit.
Avg High
59.0°F
Avg Low
38.0°F
Precipitation
3.90 in
Daylight
9h 48m
December records in Williston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 75.2°F (2023) | 27.9°F (2002) | 0.41 in (2019) |
| December 2 | 75.0°F (2012) | 24.3°F (2020) | 1.95 in (2025) |
| December 3 | 78.1°F (2021) | 24.8°F (2008) | 0.28 in (2013) |
| December 4 | 73.2°F (2005) | 22.6°F (2024) | 0.32 in (2016) |
| December 5 | 73.9°F (2017) | 25.7°F (2006) | 1.15 in (2016) |
| December 6 | 80.2°F (2013) | 19.8°F (2010) | 0.89 in (2016) |
| December 7 | 75.6°F (2022) | 20.5°F (2010) | 0.33 in (2013) |
| December 8 | 74.1°F (2004) | 15.4°F (2010) | 2.91 in (2017) |
| December 9 | 78.3°F (2007) | 17.6°F (2006) | 0.77 in (2018) |
| December 10 | 78.8°F (2007) | 22.6°F (2006) | 0.80 in (2023) |
| December 11 | 78.6°F (2007) | 26.8°F (2014) | 1.69 in (2008) |
| December 12 | 78.8°F (2007) | 27.0°F (2014) | 0.48 in (2012) |
| December 13 | 78.1°F (2007) | 24.6°F (2010) | 2.26 in (2019) |
| December 14 | 75.2°F (2015) | 14.2°F (2010) | 0.89 in (2013) |
| December 15 | 73.4°F (2015) | 15.6°F (2010) | 2.87 in (2007) |
| December 16 | 74.1°F (2019) | 19.6°F (2004) | 0.61 in (2007) |
| December 17 | 75.4°F (2024) | 25.3°F (2007) | 2.37 in (2023) |
| December 18 | 79.2°F (2016) | 23.2°F (2007) | 1.99 in (2009) |
| December 19 | 75.7°F (2006) | 27.1°F (2020) | 0.83 in (2016) |
| December 20 | 72.3°F (2012) | 20.8°F (2004) | 1.16 in (2017) |
| December 21 | 78.8°F (2013) | 19.6°F (2003) | 1.27 in (2007) |
| December 22 | 78.4°F (2013) | 22.6°F (2005) | 1.94 in (2006) |
| December 23 | 74.7°F (2017) | 18.7°F (2022) | 2.17 in (2019) |
| December 24 | 78.1°F (2025) | 12.0°F (2022) | 2.97 in (2014) |
| December 25 | 79.2°F (2025) | 16.5°F (2022) | 2.40 in (2009) |
| December 26 | 78.6°F (2015) | 17.1°F (2022) | 1.03 in (2004) |
| December 27 | 78.3°F (2025) | 21.7°F (2022) | 0.70 in (2011) |
| December 28 | 78.1°F (2015) | 18.7°F (2010) | 2.02 in (2005) |
| December 29 | 77.5°F (2015) | 22.3°F (2010) | 1.24 in (2013) |
| December 30 | 75.9°F (2015) | 26.1°F (2010) | 2.10 in (2007) |
| December 31 | 75.2°F (2021) | 24.3°F (2025) | 0.74 in (2015) |