Weather on December 15
Charleston, SC
55 Years of Data
Avg High
62°F
Avg Low
47°F
Warmest
1971
71°F avg
Coldest
2025
32°F avg
About This Date
December 15th in Charleston, SC typically brings mild winter weather, with average highs around 62°F and lows near 47°F. Over 55 years of records, the warmest December 15th was in 1971 (71°F average), while the coldest was 2025 (32°F) — a 39°F range across recorded history. Rain or other precipitation has occurred on about 40% of December 15th dates historically, with the wettest December 15th recording 4.55" of rain. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for December 15th in Charleston, SC? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025coldest | 40° | 25° | 32° | — | — |
| 2024 | 63° | 49° | 56° | — | — |
| 2023 | 59° | 44° | 52° | — | — |
| 2022 | 69° | 54° | 61° | 0.15" | — |
| 2021 | 68° | 50° | 59° | — | — |
| 2020 | 52° | 48° | 50° | 0.03" | — |
| 2019 | 64° | 45° | 54° | — | — |
| 2018 | 66° | 56° | 61° | 2.59" | — |
| 2017 | 62° | 49° | 55° | — | — |
| 2016 | 58° | 44° | 51° | — | — |
| 2015 | 74° | 59° | 66° | 0.13" | — |
| 2014 | 65° | 46° | 55° | — | — |
| 2013 | 68° | 47° | 57° | 0.1" | — |
| 2012 | 61° | 51° | 56° | — | — |
| 2011 | 69° | 53° | 61° | — | — |
| 2010 | 42° | 28° | 35° | — | — |
| 2009 | 75° | 56° | 65° | 0.51" | — |
| 2008 | 68° | 58° | 63° | 0.03" | — |
| 2007 | 71° | 59° | 65° | 0.28" | — |
| 2006 | 70° | 57° | 63° | — | — |
| 2005 | 55° | 42° | 49° | 0.81" | — |
| 2004 | 44° | 33° | 39° | — | — |
| 2003 | 56° | 37° | 46° | — | — |
| 2002 | 56° | 36° | 46° | — | — |
| 2001 | 72° | 58° | 65° | — | — |
| 2000 | 60° | 50° | 55° | 0.08" | — |
| 1999 | 62° | 48° | 55° | — | — |
| 1998 | 48° | 41° | 45° | 1.8" | — |
| 1997 | 51° | 41° | 46° | 0.13" | — |
| 1996 | 58° | 42° | 50° | — | — |
| 1995 | 73° | 52° | 62° | — | — |
| 1994 | 56° | 48° | 52° | — | — |
| 1993 | 51° | 44° | 48° | — | — |
| 1992 | 53° | 42° | 48° | — | — |
| 1991 | 58° | 37° | 47° | — | — |
| 1990 | 68° | 50° | 59° | — | — |
| 1989 | 58° | 40° | 49° | — | — |
| 1988 | 66° | 48° | 57° | — | — |
| 1987 | 70° | 54° | 62° | 2.31" | — |
| 1986 | 54° | 46° | 50° | 0.1" | — |
| 1985 | 52° | 33° | 42° | — | — |
| 1984 | 67° | 50° | 58° | — | — |
| 1983 | 57° | 47° | 52° | 0.84" | — |
| 1982 | 69° | 52° | 60° | 0.03" | — |
| 1981 | 65° | 48° | 56° | 0.94" | — |
| 1980 | 61° | 42° | 51° | — | — |
| 1979 | 51° | 44° | 48° | 1.27" | — |
| 1978 | 62° | 38° | 50° | — | — |
| 1977 | 64° | 53° | 59° | — | — |
| 1976 | 63° | 51° | 57° | 1.42" | — |
| 1975 | 75° | 55° | 65° | — | — |
| 1974 | 61° | 46° | 53° | 4.55" | — |
| 1973 | 57° | 45° | 51° | 0.69" | — |
| 1972 | 74° | 56° | 65° | 1.91" | — |
| 1971warmest | 77° | 64° | 71° | — | — |
55 years of data from DWTN CHARLESTON