Charleston, SC: Summer

31 August 2026: Summer 2026 averaged 83.2°F in Charleston, SC, the warmest summer since 2016, 3rd warmest of 90.

Summer 2026

Mean temperature: 83.2°F; Warmest since 2016; 3rd warmest of 90
Precipitation: 12.15 in; Driest since 2016; 9th driest of 90

A normal summer in Charleston, SC (1991 to 2020): a mean temperature of 81.1°F, between 80.1°F and 82.7°F in eight years of ten and 19.82 in of precipitation, between 14.49 in and 24.50 in in eight years of ten.

The mean temperature of every summer in Charleston, SC since 1937: 83.2°F in 2026; the highest is 84.1°F, in 2016.

Normal range, 80.1 to 82.7°F

Every year, ranked, as a table

Every summer in Charleston, SC from 1937 to 2026, 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
2026	83.2	3	92.5	3	74	3	12.15	82
2025	82	17	90.2	22	73.8	6	21.51	36
2024	82.6	6	91.3	13	73.8	6	25.11	18
2023	82.2	13	91	15	73.3	15	20.42	42
2022	81.1	24	89.5	37	72.8	20	25.57	16
2021	80.2	48	88.1	71	72.3	30	25.91	15
2020	81.1	24	89.5	37	72.8	20	17.72	57
2019	81.3	21	90.2	22	72.4	28	22.19	33
2018	82.3	11	90.8	16	73.8	6	17.09	62
2017	80.7	36	88.9	52	72.5	23	23.28	28
2016	84.1	1	93.1	1	75.1	1	11.24	86
2015	82.3	11	91.1	14	73.4	12	26.63	12
2014	82.7	5	91.5	11	73.8	6	18.08	56
2013	81.1	24	88.8	54	73.4	12	22.62	30
2012	80.1	50	89	47	71.2	52	22.33	32
2011	83.4	2	92.9	2	73.9	4	19.26	50
2010	83.1	4	91.7	6	74.6	2	27.87	8
2009	81.1	24	89.9	27	72.3	30	23.32	27
2008	81.2	23	90.3	20	72	37	13.57	80
2007	81	30	89.9	27	72	37	15.78	67
2006	81.1	24	90.1	24	72.1	34	23.70	25
2005	81.4	20	89.3	40	73.5	10	17.20	60
2004	80.8	34	89.1	46	72.5	23	18.26	54
2003	80.5	41	88.7	57	72.3	30	19.51	49
2002	80.3	45	89.3	40	71.4	45	23.81	24
2001	79.9	57	88.6	60	71.1	54	20.21	44
2000	80.5	41	89.6	35	71.4	45	19.63	47
1999	80.7	36	89.6	35	71.8	39	9.19	90
1998	82.6	6	91.8	4	73.4	12	14.59	75
1997	78.2	84	86.8	87	69.7	72	24.42	20
1996	79.6	62	88.3	66	70.9	56	17.11	61
1995	81.5	18	89.9	27	73.1	17	23.60	26
1994	80.6	40	89	47	72.2	33	25.17	17
1993	82.4	9	91.7	6	73	18	15.60	68
1992	80.7	36	88.8	54	72.5	23	20.13	45
1991	81.5	18	89.7	31	73.3	15	20.01	46
1990	82.4	9	91.7	6	73	18	15.39	71
1989	81.3	21	90.1	24	72.5	23	18.37	52
1988	80.2	48	89.7	31	70.6	59	18.33	53
1987	82.2	13	91.6	10	72.8	20	15.53	69
1986	82.5	8	91.4	12	73.5	10	20.99	39
1985	80.1	50	88.8	54	71.4	45	27.56	11
1984	79.9	57	88.5	62	71.4	45	9.79	88
1983	80.9	32	89.7	31	72.1	34	14.16	76
1982	80	54	87.9	74	72.1	34	18.66	51
1981	82.2	13	90.5	19	73.9	4	28.00	7
1980	81	30	90.3	20	71.7	40	10.85	87
1979	79.8	59	89.2	43	70.3	63	11.46	84
1978	80.3	45	89.2	43	71.5	43	13.62	79
1977	82.1	16	91.7	6	72.5	23	14.11	77
1976	78	86	86.6	88	69.4	75	15.29	72
1975	79.7	61	88.3	66	71.1	54	22.48	31
1974	77.6	89	86.1	90	69.2	82	29.53	5
1973	80.7	36	89	47	72.4	28	37.50	1
1972	78.2	84	87.9	74	68.5	88	11.57	83
1971	80.1	50	88.9	52	71.3	49	26.43	13
1970	80.5	41	89.8	30	71.2	52	17.53	58
1969	80.1	50	88.6	60	71.6	42	22.06	34
1968	80.3	45	89.3	40	71.3	49	21.60	35
1967	78.3	82	87.2	85	69.4	75	16.99	63
1966	77.8	88	86.9	86	68.8	86	20.96	40
1965	78.5	79	87.6	79	69.4	75	21.32	37
1964	79.2	69	87.8	76	70.5	60	33.08	3
1963	80	54	89.2	43	70.7	58	28.62	6
1962	78.7	75	87.3	84	70.1	67	33.54	2
1961	78.7	75	87.6	79	69.9	70	19.58	48
1960	79.2	69	88.4	64	70	68	24.01	23
1959	77.4	90	86.2	89	68.6	87	15.28	73
1958	79.3	65	87.8	76	70.8	57	27.70	9
1957	78.4	81	87.5	82	69.3	80	21.01	38
1956	78.7	75	88.3	66	69.1	83	24.26	22
1955	78.3	82	87.5	82	69.1	83	12.81	81
1954	80.9	32	91.8	4	69.9	70	9.27	89
1953	78.7	75	87.6	79	69.7	72	16.24	65
1952	81.1	24	90.6	18	71.7	40	16.81	64
1951	79.3	65	89	47	69.7	72	15.52	70
1950	79	72	88.1	71	70	68	24.27	21
1949	79.5	63	88.4	64	70.5	60	24.54	19
1948	79.3	65	89.7	31	68.9	85	15.20	74
1947	77.9	87	87.7	78	68.1	90	17.33	59
1946	78.5	79	88.5	62	68.4	89	18.21	55
1945	79.3	65	88.1	71	70.5	60	22.85	29
1944	79.2	69	89	47	69.3	80	11.30	85
1943	80.8	34	90	26	71.5	43	26.05	14
1942	80.5	41	90.7	17	70.3	63	15.91	66
1941	80	54	88.7	57	71.3	49	32.86	4
1940	78.9	73	88.3	66	69.4	75	27.65	10
1939	79.8	59	89.4	39	70.3	63	20.75	41
1938	78.8	74	88.2	70	69.4	75	13.86	78
1937	79.5	63	88.7	57	70.3	63	20.32	43

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2016	84.1
2011	83.4
2026	83.2
2010	83.1
2014	82.7
2024	82.6
1998	82.6
1986	82.5
1993	82.4
1990	82.4

Coldest
Year	Mean, °F
1959	77.4
1974	77.6
1966	77.8
1947	77.9
1976	78
1997	78.2
1972	78.2
1967	78.3
1955	78.3
1957	78.4

Wettest
Year	Precipitation, in
1973	37.50
1962	33.54
1964	33.08
1941	32.86
1974	29.53
1963	28.62
1981	28.00
2010	27.87
1958	27.70
1940	27.65

Driest
Year	Precipitation, in
1999	9.19
1954	9.27
1984	9.79
1980	10.85
2016	11.24
1944	11.30
1979	11.46
1972	11.57
2026	12.15
1955	12.81

The hottest, coldest and wettest days

Hottest day: 100°F; 9 July 2026
Coldest night: 56°F; 3 June 2026
Wettest day: 2.01 in; 10 July 2026

Every month, season and year

Months

Seasons

Years

Charleston, SC the day's answers

All-time records

Every answer in words

Summer 2026 brought 12.15 in of precipitation in Charleston, SC, the driest summer since 2016, 9th driest of 90.
The hottest day of summer 2026 in Charleston, SC: 100°F on Thursday 9 July 2026.
The coldest night of summer 2026 in Charleston, SC: a low of 56°F on Wednesday 3 June 2026.
The wettest day of summer 2026 in Charleston, SC: 2.01 in on Friday 10 July 2026.