What is the weather like in Charleston in December? This guide covers December temperatures, rain and sunshine, what to wear, and things to do during your visit.
December in Charleston is generally cool during the day and colder at night. Temperatures gradually become cooler as the month progresses, although warm afternoons are still possible.
As a local tour guide and retired meteorologist, I use my experience to help explain what you can expect from Charleston weather in December.
Average Temperatures in Charleston in December
December temperatures in Charleston generally become cooler as the month progresses.
Early in the month, afternoon high temperatures are usually around 65–66°F (18–19°C). By the end of December, afternoon highs are more often around 59–60°F (15–16°C).
A few warmer afternoons, particularly early in the month, can reach around 75°F (24°C).
Late-night and early-morning temperatures are generally around 50°F (10°C) early in the month, falling gradually to around 43°F (6°C) by the end of December.
A few of the colder mornings, especially later in the month, can dip to around 31–32°F (-1 to 0°C).
How Much Rain and Sunshine Does Charleston Get in December?
December in Charleston brings a mix of sunshine, clouds, and occasional rain.
Charleston typically has about 9 sunny days, 7 partly sunny days, and 14 mostly cloudy days during December.
Rain occurs on about 8–9 days during the month, although only around 2 days typically receive 0.5 inches (12.7 mm) or more of rainfall.
Snow is rare in Charleston in December. Measurable snowfall is unusual, so visitors should generally expect rain rather than snow when precipitation occurs.
If you're planning to explore Charleston on foot, check the forecast before heading out and consider packing a compact umbrella or light rain jacket.
Daylight in Charleston in December
Daylight hours are relatively short in December. Charleston gets about 10.1 hours of daylight on December 1, decreasing to just under 10 hours around December 21 before gradually increasing again toward the end of the month.
Wind in Charleston in December
Winds are generally gentle in Charleston during December, typically around 8–12 mph (12–19 km/h).
At times, winds can become moderate, reaching about 13–18 mph (20–28 km/h). Windy conditions can make cooler temperatures feel more noticeable, particularly when you're spending time outdoors.
What to Wear in Charleston in December
Charleston weather in December is generally cool, with colder mornings and evenings. Fall clothing works well for much of the month, although you'll want some warmer layers for colder days.
Here are some essentials to pack for Charleston in December.
1. Long-Sleeved Shirts and Sweaters
Pack several long-sleeved shirts and sweaters for cooler days and evenings.
Layering is useful because temperatures can vary throughout the day, and you may encounter warmer afternoons followed by chilly evenings.
2. Long Pants
Jeans or other long pants are a good choice for December in Charleston.
You may be comfortable in lighter clothing on warmer afternoons, but long pants will be more practical for cooler mornings and evenings.
3. Medium-Weight Jacket or Coat
A medium-weight jacket or coat is a good idea for December, particularly if you're visiting later in the month.
A warmer jacket can also be useful if you're planning to spend several hours outdoors.
4. Comfortable Walking Shoes or Boots
Comfortable footwear is important if you're planning to explore Charleston on foot.
Choose shoes or boots that you can comfortably wear for several hours of walking. Water-resistant footwear can also be useful if rain is in the forecast.
Things to Do in Charleston During December
December is a festive time to visit Charleston, with holiday events, seasonal attractions, and plenty of opportunities to explore the historic city.
For a complete list of seasonal activities and events, see our guide to things to do in Charleston in December.
Here are some ideas for your December visit:
- Take a walking tour of Charleston's historic district
- Explore the Charleston City Market
- Visit Charleston's historic homes and museums
- Enjoy Charleston's holiday events and light displays
- Attend a seasonal theatrical performance
- Explore Charleston's restaurants and Lowcountry cuisine
December can be cool, but there are plenty of ways to enjoy Charleston both indoors and outdoors. Check the forecast before heading out and dress in layers so you're prepared for changing temperatures.
For more ideas, see our guide to Christmas in Charleston and our guide to things to do in Charleston in December.
Fred Pickhardt
