Average data for 10 years
1 January
Monday
+14°
+9°
2 January
Tuesday
+13°
+11°
3 January
Wednesday
+10°
+8°
4 January
Thursday
+12°
+7°
5 January
Friday
+12°
+8°
6 January
Saturday
+13°
+9°
7 January
Sunday
+11°
+8°
8 January
Monday
+11°
+7°
9 January
Tuesday
+11°
+6°
10 January
Wednesday
+14°
+9°
11 January
Thursday
+15°
+10°
12 January
Friday
+14°
+11°
13 January
Saturday
+12°
+10°
14 January
Sunday
+12°
+8°
15 January
Monday
+14°
+8°
16 January
Tuesday
+12°
+9°
17 January
Wednesday
+14°
+10°
18 January
Thursday
+13°
+10°
19 January
Friday
+13°
+8°
20 January
Saturday
+14°
+8°
21 January
Sunday
+13°
+9°
22 January
Monday
+11°
+8°
23 January
Tuesday
+11°
+7°
24 January
Wednesday
+13°
+10°
25 January
Thursday
+12°
+8°
26 January
Friday
+13°
+9°
27 January
Saturday
+12°
+9°
28 January
Sunday
+12°
+8°
29 January
Monday
+12°
+8°
30 January
Tuesday
+13°
+9°
31 January
Wednesday
+12°
+7°
January in Charleston is the coldest month of the year. In January, the weather in Charleston is typically warm. Average daily high temperature in January is about 13 degrees above zero. On average, Charleston has 15 partly cloudy, 11 sunny, 4 rainy, and 1 cloudy day in January. The rains are usually light.