Planning a trip to Charleston in January? You are in luck! The weather is generally good, with an average maximum temperature of +15°C and approximately 9 sunny days. Just be prepared for some rain, as there are usually around 11 rainy days and 80 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Good to know:
January is usually the coldest month of the year in Charleston;
January is usually the driest month of the year in Charleston
Average weather
☀️
+15°C
Avg. max. temperature
-12°C
Min.
+26°C
Max.
80 mm
Total precipitation
73%
Avg. humidity
3 m/s
Avg. wind
9 ☀️
Sunny Days
10 ⛅️
Cloudy
11 🌦
Rainy
Our opinion: Charleston has good weather in January.
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Average temperature in Charleston in January
Here are the expected maximum, average and minimum temperatures in Charleston for January based on the historical data.
Last Year
Historical Data
Going from a maximum of +24°C during the day to a minimum of 0°C during the night, the temperature in January averages around +18°C.
The average maximum temperature goes up 4% by the end of the month, compared with the beginning of the month, from +19°C to +20°C.
Is Charleston warm or cold in January?
Charleston is typically mild in January.
Maximum temperatures go down compared to the previous month from +16°C to +15°C. The minimum temperature also goes down from +7°C to +6°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
January is the coldest month in Charleston, here is the comparison with other months:
Climate in Charleston in January
Charleston weather looks like this, on average, in January and the surrounding months.
December
January
February
Avg. temperature
+16°C
+15°C
+17°C
Min. temperature
-12°C
-12°C
-8°C
Max. temperature
+27°C
+26°C
+29°C
Rainfall
78 mm
80 mm
86 mm
Wind
3 m/s
3 m/s
3 m/s
Humidity
76%
73%
74%
Air pressure
1020 HPa
1019 HPa
1019 HPa
Sunny days
9
9
8
Cloudy days
10
10
9
Rainy days
11
11
11
Snowy days
0
0
0
January often has better weather than December.It’s getting colder in January. From +16°C in the day, the average maximum temperature lowers to +15°C.Prepare for more rain. Average rainfall goes from 78 mm to 80 mm.It feels drier, as humidity decreases from 76% to 73%.The average wind speed doesn’t change much during January, staying around 3 m/s.The amount of sunny days stay about the same, averaging 9 sunny days during the month.
February brings much the same weather, it remains good.
Wind speed in Charleston in January based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Charleston is gradually decreasing during January, going from 2 m/s to 1 m/s over the course of the month.
Rain
Amount of rainfall in mm during January in Charleston based on historical data.
Last Year
Historical Data
Typically, there is a 45% chance of rain on an average day in January, with total rainfall of approximately 140 mm. The maximum amount of rainfall per day is around 32 mm, which is moderate rain.January is a pretty wet month with over 14 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how January is compared with other months in the amount of precipitation, total mm:
Charleston wettest month is August, where a typical day has a 74% chance of precipitation and 179 mm of rainfall per day. November, on the other hand, is the driest month with a mere 33% chance of precipitation and 68 mm of rainfall per day.
Snow
Amount of snow in mm during January in Charleston based on historical data.
Last Year
Historical Data
Typically, there is a 0% chance of snow on an average day in January, with a total monthly snowfall of approximately 0 mm.
January is one of the snowiest months in Charleston.
Here’s how January is compared with other months in the amount of snow, total mm:
How was the weather last January in Charleston?
This is the weather in Charleston in January 2024:
1 January
☁️
+19°C
2 January
🌫️
+20°C
3 January
🌫️
+24°C
4 January
🌫️
+21°C
5 January
☀️
+22°C
6 January
☀️
+17°C
7 January
☀️
+17°C
8 January
☀️
+18°C
9 January
☀️
+16°C
10 January
☀️
+17°C
11 January
☀️
+18°C
12 January
☁️
+20°C
13 January
🌧️
+19°C
14 January
☀️
+12°C
15 January
☀️
+12°C
16 January
☀️
+16°C
17 January
☀️
+19°C
18 January
☁️
+21°C
19 January
🌫️
+21°C
20 January
☀️
+20°C
21 January
☀️
+15°C
22 January
🌧️
+16°C
23 January
🌧️
+17°C
24 January
☀️
+13°C
25 January
☁️
+21°C
26 January
☀️
+18°C
27 January
☀️
+11°C
28 January
☀️
+14°C
29 January
☀️
+17°C
30 January
🌧️
+16°C
31 January
🌫️
+20°C
In January 2024 Charleston had 18 sunny days, 4 cloudy days, and 4 rainy days. The average maximum temperature was +18°C, with an absolute maximum of +24°C and a minimum of +11°C. The average humidity was 77%, with a maximum of 100% and a minimum of 28%. The average wind speed was 3 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in January?
Climate Change over Years
This is how Charleston climate have been changing during last 43 years period.
The climate in Charleston in January has not changed much over the last 43 years.
The average temperature was the lowest in 1988 (+22°C) and the highest in 2012 (+25°C). The driest year was 2011 with only 770 mm of rainfall, and the wettest year was 2024 with 2044 mm.
FAQ
Frequently asked questions about the weather in Charleston in January:
Is January a good time to visit Charleston?
January is a really good time to go to Charleston. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Charleston.
Can you sunbathe in Charleston in January?
January has mild temperatures in Charleston. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Is Charleston rainy in January?
Charleston is often rainy in January. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Charleston in January?
Usually, it’s not very sunny in Charleston in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Charleston, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
