As of 08:46 EDT

Charleston, SC weather in December

80°

Charleston, Sunday, 9 August, 08:46

Overcast. Feels like 80°. High 91°, low 75°.

Pressure30.12 inHg

Wind3 mph N

Humidity95%

Visibility6.2 mi

Dew point78°

See detailed hourly forecast

In December, Charleston, SC averages a high of 60.7° and a low of 46.4°. About 3.3 inches of precipitation fall over the month (8 wet days). The record high is 77.9° (2022) and the record low 12.9° (1989). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	63°	49.3°	17%	76.1° (1982)	30° (1964)
2	62.8°	48.7°	20%	74.8° (1982)	32° (1964)
3	62.6°	47.8°	17%	75° (1998)	32.5° (1960)
4	62.2°	47.8°	15%	75° (1998)	31.1° (1966)
5	62.1°	47.7°	27%	75.6° (1998)	31.5° (2000)
6	61.9°	46.9°	27%	75.9° (1998)	31.1° (2024)
7	61.2°	46.9°	32%	77.9° (2022)	29.3° (1984)
8	61°	46.2°	25%	76.6° (1978)	27.1° (2010)
9	62.1°	47.7°	25%	75.2° (1978)	30.6° (1968)
10	61.7°	48.2°	33%	74.7° (2024)	32.5° (1962)
11	60.8°	46.9°	27%	74.8° (1972)	29.3° (1968)
12	60.8°	46.2°	28%	75.2° (2007)	25.7° (1962)
13	61.5°	47.1°	32%	74.5° (1971)	18.3° (1962)
14	61.7°	47.7°	28%	75.2° (2007)	25.9° (1960)
15	61°	47.1°	30%	74.7° (1971)	22.5° (2025)
16	61.9°	46.2°	18%	75.2° (1971)	28.2° (1968)
17	60.6°	46.2°	22%	76.1° (2021)	28.4° (1968)
18	59°	44.6°	23%	74.7° (2008)	28.8° (1988)
19	59.5°	44.1°	23%	75.4° (1967)	26.6° (1963)
20	58.8°	45.5°	22%	75.7° (1967)	26.2° (1981)
21	59.2°	44.6°	33%	74.8° (2013)	25.7° (1981)
22	59°	45.9°	27%	74.8° (2013)	25.3° (1989)
23	60.3°	45.5°	23%	74.1° (2013)	17.8° (1989)
24	60.6°	46.6°	37%	75.6° (2025)	17.6° (2022)
25	58.5°	44.6°	27%	75.6° (2015)	12.9° (1989)
26	56.1°	43.2°	22%	75.9° (2015)	19.2° (1983)
27	57.9°	43.3°	20%	76.8° (2025)	24.6° (1983)
28	60.1°	45.7°	22%	75.7° (2015)	27.9° (2010)
29	61°	46.9°	33%	75.6° (2015)	27.5° (1977)
30	60.1°	46°	17%	76.6° (2015)	28.9° (1961)
31	62.1°	48°	30%	77° (2021)	24.6° (1983)