Charleston, SC: December

31 December 2025: December 2025 averaged 51°F in Charleston, SC, the warmest December since 2024, tied 41st warmest of 89 (with 1992).

December 2025

Mean temperature: 51°F; Warmest since 2024; 41st warmest of 89
Precipitation: 1.68 in; Driest since 2022; 24th driest of 89

A normal December in Charleston, SC (1991 to 2020): a mean temperature of 52.7°F, between 47.4°F and 56.3°F in eight years of ten and 2.53 in of precipitation, between 1.04 in and 6.37 in in eight years of ten.

The mean temperature of every December in Charleston, SC since 1937: 51°F in 2025; the highest is 63.5°F, in 2015.

Normal range, 47.4 to 56.3°F

Every year, ranked, as a table

Every December in Charleston, SC from 1937 to 2025, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank
2025	51	41	61.7	45	40.4	39	1.68	66
2024	51.4	38	62.4	35	40.4	39	2.44	54
2023	54.6	19	65.1	21	44	23	6.88	5
2022	52.1	35	62.1	38	42.2	29	1.64	67
2021	59.2	2	70.1	2	48.3	3	3.35	36
2020	50.2	49	61.2	50	39.1	51	1.72	64
2019	55.2	16	65.2	20	45.2	12	6.57	6
2018	53.3	26	62	42	44.6	16	9.75	3
2017	51.4	38	60.6	56	42.2	29	2.51	51
2016	54.8	18	65.1	21	44.5	19	4.78	15
2015	63.5	1	73	1	54	1	3.14	40
2014	53.1	27	63.5	30	42.7	28	3.39	35
2013	56.3	10	67.6	7	45	15	2.15	59
2012	55.4	15	66.1	14	44.6	16	3.56	32
2011	54.9	17	66.9	10	42.9	27	0.65	88
2010	42.7	88	54	87	31.3	88	2.48	53
2009	50.9	43	60.3	59	41.6	32	10.06	2
2008	56	12	66.7	11	45.2	12	0.35	89
2007	57	5	68.6	4	45.3	9	4.39	19
2006	56.4	8	67.5	8	45.3	9	2.33	56
2005	49.1	60	60.3	59	38	58	3.25	38
2004	49.7	55	61.1	52	38.2	57	1.04	80
2003	47	74	59.5	65	34.6	78	1.86	63
2002	48.3	66	59	68	37.6	61	5.09	14
2001	56.3	10	67.4	9	45.3	9	1.71	65
2000	42.6	89	52.8	89	32.4	85	2.65	47
1999	50.4	48	61.5	46	39.4	47	2.54	50
1998	55.7	13	65.8	18	45.6	8	4.34	22
1997	49.8	52	59.5	65	40.2	43	5.19	12
1996	52.3	34	63.5	30	41.1	35	2.14	60
1995	47.4	73	58.7	73	36.2	70	1.02	81
1994	54.4	20	62.1	38	46.6	5	6.35	7
1993	48.5	65	59	68	38	58	2.30	57
1992	51	41	60.1	62	41.9	31	1.50	71
1991	54.3	21	64.3	25	44.3	20	1.62	68
1990	56.4	8	66.1	14	46.6	5	2.69	46
1989	43.1	87	53	88	33.3	84	4.74	16
1988	50.6	46	62.1	38	39	52	0.72	86
1987	53.5	24	63.8	29	43.1	24	1.57	69
1986	52.7	31	61.3	48	44.2	21	5.21	11
1985	47.9	70	59	68	36.8	67	1.21	77
1984	57.1	4	68.5	5	45.8	7	0.66	87
1983	48.8	62	58.8	72	38.8	54	4.35	21
1982	57	5	66.2	12	47.7	4	4.20	24
1981	46.1	80	56.5	83	35.8	73	5.73	9
1980	47.5	72	59.2	67	35.8	73	1.25	76
1979	48.7	63	60.1	62	37.2	63	2.62	48
1978	52.7	31	65.1	21	40.3	42	4.13	26
1977	50	51	60.4	58	39.6	45	5.88	8
1976	48.7	63	58.7	73	38.8	54	5.12	13
1975	49.7	55	62.2	36	37.2	63	3.35	36
1974	50.9	43	61.5	46	40.4	39	3.00	42
1973	51.3	40	62.1	38	40.5	38	4.58	17
1972	55.7	13	66.2	12	45.2	12	4.36	20
1971	58.8	3	68.5	5	49	2	2.28	58
1970	52.1	35	64.9	24	39.3	49	2.90	43
1969	46.5	77	58.2	77	34.8	77	3.52	33
1968	46.5	77	58.4	76	34.6	78	3.65	29
1967	53.4	25	65.9	17	40.8	36	2.79	44
1966	48.9	61	60.7	54	37	65	3.76	28
1965	49.3	59	61.9	44	36.6	68	1.20	78
1964	52.9	28	62.7	33	43	26	3.01	41
1963	43.8	85	55.5	85	32.1	87	3.18	39
1962	45.5	81	56.9	81	34.2	81	1.46	72
1961	50.9	43	62.6	34	39.3	49	1.43	74
1960	43.7	86	57.5	78	29.8	89	2.13	61
1959	49.8	52	60.1	62	39.4	47	2.49	52
1958	46.4	79	57.4	80	35.4	75	4.15	25
1957	50.1	50	62	42	38.3	56	3.57	31
1956	57	5	69.3	3	44.6	16	0.95	82
1955	47	74	57.5	78	36.6	68	0.83	84
1954	48.1	68	60.3	59	36	71	4.30	23
1953	50.6	46	61.3	48	39.8	44	7.09	4
1952	47.9	70	59	68	36.9	66	1.88	62
1951	54.3	21	65.4	19	43.1	24	2.43	55
1950	44.7	82	55.6	84	33.8	83	3.61	30
1949	52.4	33	64	28	40.8	36	0.83	84
1948	54.1	23	64.2	27	44.1	22	3.43	34
1947	49.8	52	60.7	54	38.9	53	5.40	10
1946	52.8	29	66.1	14	39.6	45	1.06	79
1945	44.6	83	54.6	86	34.5	80	4.52	18
1944	44.5	84	56.6	82	32.4	85	0.85	83
1943	48.3	66	60.6	56	36	71	4.03	27
1942	49.4	57	61.2	50	37.6	61	2.55	49
1941	52.1	35	63	32	41.2	34	11.08	1
1940	52.8	29	64.3	25	41.4	33	2.71	45
1939	48	69	62.2	36	33.9	82	1.53	70
1938	49.4	57	60.8	53	37.9	60	1.36	75
1937	47	74	58.5	75	35.4	75	1.46	72

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2015	63.5
2021	59.2
1971	58.8
1984	57.1
2007	57
1982	57
1956	57
2006	56.4
1990	56.4
2013	56.3
More years share the last value

Coldest
Year	Mean, °F
2000	42.6
2010	42.7
1989	43.1
1960	43.7
1963	43.8
1944	44.5
1945	44.6
1950	44.7
1962	45.5
1981	46.1

Wettest
Year	Precipitation, in
1941	11.08
2009	10.06
2018	9.75
1953	7.09
2023	6.88
2019	6.57
1994	6.35
1977	5.88
1981	5.73
1947	5.40

Driest
Year	Precipitation, in
2008	0.35
2011	0.65
1984	0.66
1988	0.72
1955	0.83
1949	0.83
1944	0.85
1956	0.95
1995	1.02
2004	1.04

The hottest, coldest and wettest days

Hottest day: 79°F; 27 December 2025, 24 December 2025
Coldest night: 21°F; 15 December 2025
Wettest day: 0.86 in; 2 December 2025

Every month, season and year

Months

Seasons

Years

Charleston, SC the day's answers

All-time records

Every answer in words

December 2025 brought 1.68 in of precipitation in Charleston, SC, the driest December since 2022, 24th driest of 89.
The hottest day of December 2025 in Charleston, SC: 79°F on Saturday 27 December 2025 and Wednesday 24 December 2025.
The coldest night of December 2025 in Charleston, SC: a low of 21°F on Monday 15 December 2025.
The wettest day of December 2025 in Charleston, SC: 0.86 in on Tuesday 2 December 2025.