December weather in Seneca, SC
The average temperature in Seneca in December is 45.0°F (36.2°F–53.8°F). Average precipitation: 4.50 inches.
December is a winter month in Seneca, and is cooler than the annual average of 61.4°F. Daily temperatures swing about 17.6°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 41m. For travel, December is cool.
Avg High
53.8°F
Avg Low
36.2°F
Precipitation
4.50 in
Daylight
9h 41m
December records in Seneca
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.0°F (2014) | 31.1°F (2011) | 1.27 in (2018) |
| December 2 | 73.9°F (2021) | 27.1°F (2020) | 2.51 in (2009) |
| December 3 | 77.0°F (2021) | 25.2°F (2008) | 0.32 in (2013) |
| December 4 | 75.0°F (2012) | 25.0°F (2000) | 1.06 in (2005) |
| December 5 | 71.1°F (2013) | 28.0°F (2000) | 1.19 in (2005) |
| December 6 | 77.0°F (2013) | 24.3°F (2024) | 0.82 in (2004) |
| December 7 | 73.9°F (2001) | 24.3°F (2010) | 0.33 in (2011) |
| December 8 | 73.0°F (2001) | 20.1°F (2006) | 1.58 in (2009) |
| December 9 | 75.0°F (2007) | 21.2°F (2006) | 2.26 in (2004) |
| December 10 | 79.0°F (2007) | 26.2°F (2017) | 2.25 in (2024) |
| December 11 | 78.1°F (2007) | 28.2°F (2016) | 1.07 in (2008) |
| December 12 | 79.0°F (2007) | 27.1°F (2010) | 0.68 in (2010) |
| December 13 | 73.9°F (2007) | 20.1°F (2010) | 1.04 in (2002) |
| December 14 | 69.1°F (2007) | 16.2°F (2010) | 1.27 in (2013) |
| December 15 | 73.9°F (2015) | 19.0°F (2025) | 1.19 in (2022) |
| December 16 | 72.0°F (2006) | 25.0°F (2004) | 1.57 in (2000) |
| December 17 | 69.1°F (2006) | 27.0°F (2000) | 1.52 in (2015) |
| December 18 | 75.0°F (2006) | 21.0°F (2000) | 1.82 in (2009) |
| December 19 | 75.0°F (2006) | 23.0°F (2000) | 0.85 in (2002) |
| December 20 | 64.0°F (2008) | 16.0°F (2000) | 1.27 in (2012) |
| December 21 | 64.9°F (2011) | 24.1°F (2000) | 0.96 in (2018) |
| December 22 | 70.0°F (2016) | 21.2°F (2008) | 1.64 in (2013) |
| December 23 | 69.1°F (2006) | 10.2°F (2022) | 2.14 in (2015) |
| December 24 | 75.9°F (2025) | 6.3°F (2022) | 1.78 in (2002) |
| December 25 | 75.9°F (2025) | 18.1°F (2022) | 1.69 in (2009) |
| December 26 | 75.9°F (2015) | 16.2°F (2022) | 1.67 in (2023) |
| December 27 | 75.9°F (2025) | 24.1°F (2002) | 1.31 in (2011) |
| December 28 | 73.0°F (2015) | 23.2°F (2010) | 1.12 in (2007) |
| December 29 | 72.0°F (2015) | 26.1°F (2000) | 0.72 in (2024) |
| December 30 | 70.0°F (2008) | 21.9°F (2000) | 1.23 in (2007) |
| December 31 | 69.1°F (2015) | 19.9°F (2000) | 0.90 in (2006) |