Charleston Downtown, SC: Summer

31 August 2026: Summer 2026 averaged 83°F in Charleston Downtown, SC, the warmest summer since 2016, tied 3rd warmest of 133 (with 2010 and 1977).

Summer 2026

Mean temperature: 83°F; Warmest since 2016; 3rd warmest of 133
Precipitation: 11.49 in; Driest since 2016; 24th driest of 133

A normal summer in Charleston Downtown, SC (1991 to 2020): a mean temperature of 81.3°F, between 80.1°F and 82.8°F in eight years of ten and 15.58 in of precipitation, between 9.29 in and 21.75 in in eight years of ten.

The mean temperature of every summer in Charleston Downtown, SC since 1893: 83°F in 2026; the highest is 85.2°F, in 1998.

Normal range, 80.1 to 82.8°F

Every year, ranked, as a table

Every summer in Charleston Downtown, SC from 1893 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	Days missing
2026	83	3	88.1	16	77.9	5	11.49	110	0
2025	81.9	15	86.8	60	77.1	7	22.18	26	0
2024	81.8	17	86.6	66	77.1	7	20.55	35	0
2023	81.5	28	86.7	63	76.2	20	17.01	64	0
2022	81.5	28	86.4	80	76.6	11	18.47	55	0
2021	82.9	6	87.6	26	78.3	2	22.10	27	0
2020	81.3	37	86.4	80	76.1	21	14.12	89	0
2019	81.4	33	86.4	80	76.5	12	15.30	79	0
2018	81.8	17	87.2	44	76.4	14	18.84	47	0
2017	80.9	55	85.9	100	75.9	26	25.27	15	0
2016	83.3	2	88.5	11	78.1	3	8.41	128	0
2015	82	12	87.5	34	76.4	14	19.55	42	0
2014	81.7	21	87.2	44	76.3	17	9.95	122	0
2013	80.4	81	84.9	127	76	24	20.15	40	0
2012	80.1	92	85.3	119	74.9	51	20.36	37	0
2011	82.8	7	88.2	14	77.4	6	10.64	118	0
2010	83	3	88.1	16	78	4	18.25	56	0
2009	81	48	86.1	90	75.8	30	15.86	75	4
2008	81	48	86.1	90	75.8	30	19.00	45	0
2007	80.9	55	85.8	103	76.1	21	11.09	113	0
2006	81.3	37	86.3	86	76.3	17	13.90	90	0
2005	81.4	33	86.1	90	76.7	9	14.79	81	0
2004	80.4	81	84.9	127	75.8	30	21.00	32	0
2003	80.3	86	84.7	129	75.9	26	14.58	83	0
2002	80.5	76	85.3	119	75.8	30	18.94	46	0
2001	82	12	89	5	75	49	18.65	51	0
2000	81.6	25	87.4	39	75.9	26	9.74	125	5
1999	81.9	15	87.2	44	76.5	12	8.37	129	0
1998	85.2	1	91	1	79.4	1	11.32	112	0
1997	78.9	129	84.3	132	73.4	111	19.91	41	0
1996	80.1	92	85.3	119	74.8	58	9.39	127	0
1995	80.8	65	85.7	109	75.8	30	21.41	28	0
1994	80	101	85	125	74.9	51	25.20	16	0
1993	81.6	25	86.6	66	76.7	9	7.03	132	0
1992	80.1	92	85	125	75.1	45	24.77	18	0
1991	81.4	33	86.6	66	76.1	21	13.55	92	0
1990	81.4	33	86.5	74	76.3	17	31.80	5	0
1989	80.4	81	85.7	109	75.1	45	22.44	24	0
1988	78.9	129	84	133	73.9	93	11.80	107	0
1987	81.2	42	86.7	63	75.7	35	12.55	101	0
1986	81.7	21	86.9	56	76.4	14	16.72	70	0
1985	82.6	8	89.9	3	75.3	40	25.05	17	0
1984	80.6	72	87.6	26	73.6	105	12.02	104	0
1983	80.4	81	87.6	26	73.2	118	8.04	131	0
1982	81.2	42	87.8	21	74.5	70			7
1981	81.7	21	88.1	16	75.3	40	18.78	48	0
1980	81.7	21	88.6	10	74.9	51	9.87	123	0
1979	79.7	109	87	53	72.4	132	10.50	119	0
1978	81.8	17	88.4	12	75.3	40	16.23	72	0
1977	83	3	90.7	2	75.4	38	15.76	77	0
1976	79.1	125	85.8	103	72.5	129	13.49	93	0
1975	81.5	28	88.2	14	74.8	58	14.15	88	0
1974	78.6	132	84.6	130	72.7	125	20.64	33	0
1973	80.1	92	86	95	74.2	79	29.98	8	0
1972	79.3	122	86	95	72.7	125	11.42	111	0
1971	80.5	76	86.8	60	74.1	85	31.76	6	0
1970	81.3	37	87.5	34	75.1	45	15.58	78	0
1969	80.9	55	86.4	80	75.3	40	24.22	20	0
1968	81.2	42	87.5	34	74.9	51	17.72	58	0
1967	78.5	133	84.4	131	72.7	125	18.50	54	0
1966	79.1	125	85.4	118	72.8	123	16.93	65	0
1965	79.8	107	86	95	73.6	105	18.56	53	0
1964	79.7	109	85.6	113	73.9	93	37.63	1	0
1963	80.1	92	86.5	74	73.8	98	21.39	29	0
1962	79.5	120	85.5	117	73.6	105	25.74	13	0
1961	79.6	117	85.8	103	73.3	115	20.23	39	0
1960	79.9	104	85.9	100	73.9	93	18.75	49	0
1959	80.6	72	86.5	74	74.7	61	11.69	108	0
1958	81	48	87.1	50	74.9	51	13.08	94	0
1957	79.7	109	85.8	103	73.6	105	18.18	57	0
1956	80.8	65	87.6	26	74.1	85	14.81	80	0
1955	80.2	87	86.5	74	74	90	10.31	121	0
1954	82.3	10	89.3	4	75.4	38	5.88	133	0
1953	79.9	104	85.8	103	74	90	20.55	35	0
1952	82.5	9	89	5	75.9	26	9.76	124	0
1951	80.8	65	87.2	44	74.5	70	14.56	84	0
1950	80.5	76	86.7	63	74.3	78	19.34	44	0
1949	80.9	55	86.9	56	74.8	58	21.21	31	0
1948	81	48	87.8	21	74.1	85	16.50	71	0
1947	79.3	122	86	95	72.6	128	25.44	14	0
1946	79.6	117	86.1	90	73	121	20.29	38	0
1945	80.6	72	86.6	66	74.6	69	35.94	4	0
1944	80.6	72	87.3	43	73.9	93	12.29	103	0
1943	82	12	89	5	75.1	45	12.89	96	0
1942	81.6	25	88.7	9	74.4	74	17.32	60	0
1941	80.9	55	87.4	39	74.4	74	37.19	2	0
1940	81	48	87.2	44	74.7	61	25.93	12	0
1939	81.3	37	87.9	20	74.7	61	26.18	11	0
1938							12.69	99	61
1937	80.9	55	87.7	23	74.2	79	16.82	67	0
1936	81.1	46	88.1	16	74.2	79	12.87	97	0
1935	80.2	87	86.2	89	74.2	79	30.76	7	0
1934	82.2	11	88.8	8	75.6	36	11.08	114	0
1933	80.4	81	87.1	50	73.8	98	19.53	43	0
1932	81.2	42	87.7	23	74.7	61	17.04	63	0
1931	80.5	76	87.2	44	73.7	102	14.27	86	0
1930	80.1	92	87	53	73.3	115	14.43	85	0
1929	79.1	125	85.6	113	72.5	129	16.10	73	0
1928	80.9	55	87.1	50	74.7	61	10.73	117	0
1927	79.7	109	86.5	74	72.8	123	17.50	59	0
1926	81.1	46	87.5	34	74.7	61	12.32	102	0
1925	81.3	37	87.6	26	74.9	51	9.49	126	0
1924	81.5	28	88.3	13	74.7	61	17.26	61	0
1923	80.2	87	86.6	66	73.8	98	23.10	21	0
1922	80.1	92	86.5	74	73.7	102	16.74	69	0
1921	80.5	76	87	53	73.9	93	22.92	22	0
1920	79.6	117	86.1	90	73	121	14.16	87	0
1919	79.7	109	85.7	109	73.7	102	20.56	34	0
1918	80.1	92	86.9	56	73.2	118	10.83	115	0
1917	79.5	120	85.8	103	73.3	115	16.93	65	0
1916	79.7	109	85.7	109	73.6	105	24.46	19	0
1915	80.7	69	87.5	34	74	90	12.90	95	0
1914	81	48	87.6	26	74.4	74	15.90	74	0
1913	79.7	109	86.3	86	73.1	120	11.89	106	0
1912	79.8	107	86.3	86	73.4	111	12.71	98	0
1911	80.9	55	87.6	26	74.2	79	12.59	100	0
1910	79.3	122	85.2	122	73.4	111	18.63	52	0
1909	80.2	87	86	95	74.5	70	13.66	91	0
1908	80.1	92	85.9	100	74.2	79	10.38	120	0
1907	80.2	87	86.6	66	73.8	98	11.95	105	0
1906	80.7	69	86.4	80	75	49	21.30	30	0
1905	79.9	104	85.6	113	74.1	85	10.76	116	0
1904	79	128	85.6	113	72.5	129	16.80	68	0
1903	80	101	86.4	80	73.6	105	18.70	50	0
1902	80.9	55	87.4	39	74.5	70	11.65	109	0
1901	79.7	109	85.1	123	74.4	74	14.63	82	0
1900	81.8	17	87.6	26	76	24	8.28	130	0
1899	81.5	28	87.4	39	75.5	37	17.06	62	0
1898	80.8	65	86.6	66	74.9	51	29.01	9	0
1897	81	48	86.9	56	75.2	44	22.23	25	0
1896	80.7	69	86.8	60	74.7	61	22.87	23	0
1895	80.9	55	87.7	23	74.1	85	15.79	76	0
1894	78.7	131	85.1	123	72.1	133	26.77	10	1
1893	80	101	86.6	66	73.4	111	36.68	3	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1998	85.2
2016	83.3
2026	83
2010	83
1977	83
2021	82.9
2011	82.8
1985	82.6
1952	82.5
1954	82.3

Coldest
Year	Mean, °F
1967	78.5
1974	78.6
1894	78.7
1997	78.9
1988	78.9
1904	79
1976	79.1
1966	79.1
1929	79.1
1972	79.3
More years share the last value

Wettest
Year	Precipitation, in
1964	37.63
1941	37.19
1893	36.68
1945	35.94
1990	31.80
1971	31.76
1935	30.76
1973	29.98
1898	29.01
1894	26.77

Driest
Year	Precipitation, in
1954	5.88
1993	7.03
1983	8.04
1900	8.28
1999	8.37
2016	8.41
1996	9.39
1925	9.49
2000	9.74
1952	9.76

The hottest, coldest and wettest days

Hottest day: 97°F; 18 August 2026, 17 August 2026
Coldest night: 64°F; 3 June 2026
Wettest day: 1.20 in; 27 August 2026

Every month, season and year

Months

Seasons

Years

Charleston Downtown, SC the day's answers

All-time records

Every answer in words

Summer 2026 brought 11.49 in of precipitation in Charleston Downtown, SC, the driest summer since 2016, 24th driest of 133.
The hottest day of summer 2026 in Charleston Downtown, SC: 97°F on Tuesday 18 August 2026 and Monday 17 August 2026.
The coldest night of summer 2026 in Charleston Downtown, SC: a low of 64°F on Wednesday 3 June 2026.
The wettest day of summer 2026 in Charleston Downtown, SC: 1.20 in on Thursday 27 August 2026.