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The Weather in Charleston in January

Updated: September 21, 2026

What is the weather like in Charleston in January? This guide covers January temperatures, rain and sunshine, daylight hours, wind, ocean temperatures, what to wear, and things to do during your visit.

January is one of the cooler months of the year in Charleston. Afternoon temperatures are generally mild, while mornings and evenings can be chilly. Cold snaps are possible, so it's a good idea to pack layers if you're visiting during this month.

As a local tour guide and retired meteorologist, I use my experience to help explain what you can expect from Charleston weather in January.


Average Temperatures in Charleston in January

January temperatures in Charleston are generally cool during the day and chilly at night.

Afternoon high temperatures are usually around 56–60°F (13–16°C), although a few warmer afternoons can reach around 72°F (22°C).

Late-night and early-morning temperatures generally range from 41–47°F (5–8°C). A few colder mornings can dip to around 30°F (-1°C).

On average, about 3–4 days during January may have morning temperatures at or below 32°F (0°C).


How Much Rain and Sunshine Does Charleston Get in January?

January in Charleston brings a mix of sunny, partly sunny, and cloudy days, along with occasional rain.

Charleston typically has about 9 mostly sunny days, 6 partly sunny days, and 14 mostly cloudy days during January.

Rain occurs on about 8–9 days during the month, although only around 1–2 days typically receive 0.5 inches (12.7 mm) or more of rainfall.

Snow is relatively rare in Charleston. While occasional snowfall has occurred in the past, visitors should generally expect rain rather than snow during January.


Daylight in Charleston in January

Daylight hours gradually increase throughout January.

Charleston gets just over 10 hours of daylight on January 1, increasing to about 10.6 hours by the end of the month.


Wind in Charleston in January

Winds in Charleston during January are generally gentle to moderate, typically ranging from about 8–18 mph (12–28 km/h).

Windy conditions can make cooler temperatures feel more noticeable, particularly when you're spending time outdoors.


Ocean Temperatures in Charleston in January

January is generally too cold for swimming or spending much time in the water.

Ocean temperatures off Charleston are typically around 64–66°F (18–19°C) during January. While some visitors may enjoy walking along the beach, most people will find the water too cold for swimming.


What to Wear in Charleston in January

Charleston weather in January can range from cool and comfortable to distinctly winter-like. Dressing in layers is the best way to prepare for changing temperatures.

Here are some essentials to pack for Charleston in January.

1. Long-Sleeved Shirts and Sweaters

Pack several long-sleeved shirts and sweaters for cool days and chilly mornings and evenings.

2. Long Pants

Jeans or other long pants are a good choice for January in Charleston.

3. Medium-Weight Jacket or Coat

A medium-weight jacket or coat will be useful throughout January, particularly in the mornings and evenings.

On colder days, you may want a warmer coat or additional layers.

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 helpful when rain is in the forecast.


Things to Do in Charleston During January

January is a quieter time to visit Charleston, with cooler weather but plenty of indoor and outdoor activities to enjoy.

For a complete list of seasonal activities and events, see our guide to things to do in Charleston in January.

Here are some ideas for your January visit:

On mild, dry days, Charleston can be especially enjoyable to explore on foot. Check the forecast before heading out and dress in layers so you're prepared for changing temperatures.

For even more ideas, see our guide to things to do in Charleston in January.


Fred Pickhardt

Ocean Weather Services 

About The Author

Fred Pickhardt

Fred is a marine meteorologist and sailed briefly with American Export Lines in the Far East trade. He has extensive experience in weather analysis, weather forecasting, and forensic weather event reconstructions. Fred founded Ocean Weather Services and currently provides forensic marine weather reports to the maritime industry.
Updated: September 21st, 2026
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