Charleston weather in December
December in Charleston averages 63°F by day and 42°F at night, with 3.4 inches of precipitation. It is the 11th-warmest and 7th-wettest month of the year here.
- Average high
- 63°F-7° vs November
- Average low
- 42°F6 nights below freezing
- Precipitation
- 3.4 in6 days with 0.1 in. or more
- Snow
- 0.0 in0 days at 90°F+
Is December a good time to visit Charleston?
December is pleasant by day, but nights get chilly. The most comfortable months overall are March to May and October to November.
On December 15 the sun rises at 7:15 am and sets at 5:14 pm, giving 10h 00m of daylight. Daylight all year.
What to pack for Charleston in December
- T-shirts and a light jacket or sweater
- A warmer layer for evenings, which drop to around 42°F
Based on 30-year averages, not a forecast. Check the forecast a few days before you go.
December nearby
| City | Distance | High | Low | Precip. |
|---|---|---|---|---|
| Charleston | 63°F | 42°F | 3.4 in | |
| North Charleston, SC | 4 mi | 63°F | 42°F | 3.4 in |
| Mount Pleasant, SC | 7 mi | 63°F | 42°F | 3.4 in |
| Savannah, GA | 87 mi | 64°F | 43°F | 3.2 in |
| Columbia, SC | 101 mi | 59°F | 37°F | 3.7 in |
| Augusta, GA | 131 mi | 62°F | 37°F | 3.9 in |
| Wilmington, NC | 153 mi | 60°F | 39°F | 3.7 in |
Frequently asked questions
What is the weather like in Charleston in December?
In December, Charleston averages a high of 63°F and a low of 42°F, with 3.4 inches of precipitation (NOAA 1991-2020 normals).
Is December a good time to visit Charleston?
December is mild by day but chilly at night (42°F lows).
Does it snow in Charleston in December?
Rarely. The December snowfall normal is under half an inch.
Before and after: Charleston in November and Charleston in January. All twelve months: Charleston weather by month.
NOAA NCEI 1991-2020 climate normals, station Charleston Intl. Airport, SC, 8 miles from the city center.