Charleston Downtown, SC: August

31 August 2026: August 2026 averaged 83.7°F in Charleston Downtown, SC, the warmest August since 2021, 6th warmest of 132.

August 2026

Mean temperature: 83.7°F; Warmest since 2021; 6th warmest of 132
Precipitation: 4.76 in; Driest since 2019; 49th driest of 132

A normal August in Charleston Downtown, SC (1991 to 2020): a mean temperature of 81.8°F, between 79.6°F and 83.5°F in eight years of ten and 4.67 in of precipitation, between 2.54 in and 10.49 in in eight years of ten.

The mean temperature of every August in Charleston Downtown, SC since 1893: 83.7°F in 2026; the highest is 84.6°F, in 2021.

Normal range, 79.6 to 83.5°F

Every year, ranked, as a table

Every August 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	83.7	6	88.8	18	78.6	5	4.76	83	0
2025	80.1	99	84.7	123	75.6	52	15.78	3	0
2024	81.2	65	85.9	105	76.5	27	10.88	19	0
2023	83.5	7	88.6	25	78.3	8	6.34	59	0
2022	81.4	57	86.1	98	76.6	23	9.71	26	0
2021	84.6	1	89.2	12	80	1	5.33	64	0
2020	82.3	23	87.6	46	77	16	7.84	45	0
2019	81.7	48	86.2	92	77.3	13	3.87	97	0
2018	81.8	41	87	69	76.6	23	3.98	95	0
2017	81.8	41	86.7	77	76.9	17	9.25	30	0
2016	83.5	7	88.4	31	78.7	3	2.50	120	0
2015	81.3	59	86.4	83	76.2	34	12.45	10	0
2014	82.5	21	88.6	25	76.5	27	3.58	101	0
2013	80.8	81	85.7	107	75.9	41	6.60	55	0
2012	80.4	92	85.5	112	75.3	57	9.32	29	0
2011	83.2	12	88.7	21	77.7	10	2.63	116	0
2010	83	14	87.5	50	78.5	6	8.28	38	0
2009			86	103			3.11	109	4
2008	81.2	65	86	103	76.4	31	10.00	22	0
2007	83.5	7	88.3	35	78.7	3	3.46	103	0
2006	82.6	19	87.3	60	77.9	9	7.58	46	0
2005	82.3	23	87.2	65	77.4	12	5.58	62	0
2004	78.8	127	83.2	133	74.5	90	13.49	8	0
2003	81	73	85	120	77.1	14	3.40	105	0
2002	80.4	92	84.9	122	76	38	9.84	24	0
2001	82.6	19	89.2	12	76	38	4.07	94	0
2000									5
1999	84.3	2	90	4	78.5	6	2.55	119	0
1998	84.1	4	89.2	12	79.1	2	1.51	126	0
1997	80	102	85.7	107	74.2	99	1.98	122	0
1996	79.4	124	84.5	126	74.4	92	3.39	106	0
1995	81.7	48	86.4	83	77.1	14	9.49	28	0
1994	79.5	121	84.5	126	74.4	92	6.48	56	0
1993	81.2	65	86.4	83	76	38	4.67	87	0
1992	79.7	113	84.4	128	75	71	14.19	5	0
1991	82.3	23	87.8	44	76.9	17	3.98	95	0
1990	81.6	52	86.2	92	76.9	17	12.37	11	0
1989	80	102	85.2	116	74.7	85	10.17	21	0
1988	81	73	85.5	112	76.4	31	8.49	37	0
1987	82.3	23	88	41	76.5	27	7.85	43	0
1986	79.7	113	85	120	74.4	92	13.90	6	0
1985	81.8	41	88.7	21	74.9	75	9.01	31	0
1984	81.8	41	88.8	18	74.8	79	3.43	104	0
1983	82.1	31	89.1	15	75.1	63	1.19	129	0
1982	81.5	55	88.3	35	74.8	79	1.70	124	0
1981	78.8	127	84.2	129	73.3	122	8.97	32	0
1980	82.7	18	89.7	7	75.8	44	0.60	130	0
1979	82.1	31	89.7	7	74.5	90	1.51	126	0
1978	82.9	16	89.1	15	76.8	20	5.12	70	0
1977	82.2	27	88.6	25	75.8	44	9.76	25	0
1976	78.5	130	84.7	123	72.2	131	5.31	65	0
1975	83.1	13	90.5	3	75.8	44	4.28	90	0
1974	78.7	129	84.2	129	73.3	122			0
1973	80	102	86.3	89	73.8	112	7.97	41	0
1972	80.9	80	87.3	60	74.4	92	5.24	66	0
1971	80.6	89	86.3	89	74.9	75	16.37	2	0
1970	81.7	48	87.6	46	75.8	44	11.18	18	0
1969	78.5	130	83.6	132	73.5	117	13.90	6	0
1968	82.9	16	89.5	10	76.2	34	2.60	118	0
1967	79.8	109	85.5	112	74.1	104	5.02	75	0
1966	80.6	89	86.5	80	74.6	88	4.97	76	0
1965	81.6	52	88	41	75.2	60	4.70	86	0
1964	79.9	107	85.7	107	74.2	99	7.07	49	0
1963	81.3	59	87.5	50	75.1	63	4.86	82	0
1962	79.8	109	85.9	105	73.7	113	8.06	40	0
1961	79.7	113	85.1	117	74.2	99	11.75	14	0
1960	81	73	87.3	60	74.8	79	3.76	99	0
1959	81.8	41	87.6	46	75.9	41	2.79	114	0
1958	81.5	55	87.6	46	75.4	55	4.92	79	0
1957	79.6	120	86.1	98	73.1	126	4.76	83	0
1956	81.9	39	88.6	25	75.1	63	4.24	91	0
1955	82	33	87.8	44	76.1	36	3.35	107	0
1954	84.1	4	91.6	1	76.6	23	0.18	132	0
1953	79.8	109	85.6	110	74	109	7.03	51	0
1952	81.1	72	87.3	60	75	71	5.10	71	0
1951	82	33	88.3	35	75.7	51	3.82	98	0
1950	79.7	113	85.6	110	73.7	113	5.14	69	0
1949	81.3	59	87.5	50	75.1	63	11.45	16	0
1948	79.9	107	86.3	89	73.4	119	4.10	92	0
1947	81.2	65	87.5	50	74.9	75	6.79	53	0
1946	79.7	113	86.4	83	73	127	4.90	80	0
1945	80.7	84	86.8	73	74.6	88	11.57	15	0
1944	79.8	109	86.1	98	73.5	117	3.24	108	0
1943	81.7	48	88.7	21	74.8	79	1.35	128	0
1942	80.7	84	87.4	58	74.1	104	4.65	88	0
1941	82.4	22	88.8	18	75.9	41	12.77	9	0
1940	80.7	84	86.4	83	75	71	16.71	1	0
1939	80.2	97	87.1	68	73.3	122	8.78	34	0
1938	83	14	89.6	9	76.3	33	3.60	100	0
1937	81	73	87	69	75.1	63	4.09	93	0
1936	81.6	52	88.2	38	75.1	63	6.37	58	0
1935	81.2	65	87.3	60	75	71	9.53	27	0
1934	82.2	27	88.5	30	75.8	44	7.05	50	0
1933	81.4	57	88	41	74.8	79	8.69	35	0
1932	80.7	84	86.2	92	75.2	60	6.42	57	0
1931	80	102	86.7	77	73.4	119	4.93	78	0
1930	79.5	121	86.4	83	72.7	129	1.75	123	0
1929	80.7	84	87.2	65	74.2	99	5.22	67	0
1928	82	33	87.5	50	76.5	27	2.82	113	0
1927	79.5	121	86.5	80	72.5	130	8.79	33	0
1926	83.3	10	89.9	5	76.7	21	2.38	121	0
1925	81.3	59	88.4	31	74.1	104	1.62	125	0
1924	82.2	27	88.9	17	75.4	55	8.28	38	0
1923	81.8	41	88.4	31	75.2	60	12.29	12	0
1922	78.1	132	84.2	129	72	132	5.18	68	0
1921	80.8	81	87.2	65	74.4	92	5.70	60	0
1920	80.3	95	86.1	98	74.4	92	7.02	52	0
1919	81	73	87.5	50	74.4	92	5.70	60	0
1918	82.2	27	89.5	10	74.9	75	2.87	112	0
1917	80.1	99	86.2	92	74.1	104	5.06	73	0
1916	81.9	39	88.2	38	75.5	53	3.10	110	0
1915	82	33	88.6	25	75.3	57	5.40	63	0
1914	81.3	59	87.5	50	75.1	63	4.43	89	0
1913	80.1	99	86.6	79	73.6	115	3.50	102	0
1912	81.2	65	88.4	31	74	109	2.77	115	0
1911	80.8	81	86.8	73	74.8	79	7.52	47	0
1910	79.7	113	84.7	123	74.7	85	10.00	22	0
1909	80.2	97	86.2	92	74.1	104	7.85	43	0
1908	80.3	95	86.5	80	74.2	99	4.88	81	0
1907	81.3	59	87.5	50	75.1	63	5.04	74	0
1906	81.8	41	86.9	72	76.6	23	7.87	42	0
1905	79.4	124	85.1	117	73.6	115	2.63	116	0
1904	79.7	113	86.2	92	73.2	125	6.62	54	0
1903	82	33	88.7	21	75.3	57	10.83	20	0
1902	80.4	92	86.8	73	73.9	111	3.04	111	0
1901	80.6	89	85.1	117	76.1	36	4.95	77	0
1900	84.2	3	91	2	77.5	11	0.40	131	0
1899	83.3	10	89.9	5	76.7	21	8.66	36	0
1898	81	73	86.1	98	75.8	44	11.34	17	0
1897	81.2	65	86.8	73	75.5	53	7.34	48	0
1896	81	73	87.4	58	74.7	85	4.72	85	0
1895	82	33	88.2	38	75.8	44	5.08	72	0
1894	80	102	87	69	72.9	128	12.11	13	0
1893	79.4	124	85.4	115	73.4	119	15.53	4	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2021	84.6
1999	84.3
1900	84.2
1998	84.1
1954	84.1
2026	83.7
2023	83.5
2016	83.5
2007	83.5
1926	83.3
More years share the last value

Coldest
Year	Mean, °F
1922	78.1
1976	78.5
1969	78.5
1974	78.7
2004	78.8
1981	78.8
1996	79.4
1905	79.4
1893	79.4
1994	79.5
More years share the last value

Wettest
Year	Precipitation, in
1940	16.71
1971	16.37
2025	15.78
1893	15.53
1992	14.19
1986	13.90
1969	13.90
2004	13.49
1941	12.77
2015	12.45

Driest
Year	Precipitation, in
1954	0.18
1900	0.40
1980	0.60
1983	1.19
1943	1.35
1998	1.51
1979	1.51
1925	1.62
1982	1.70
1930	1.75

The hottest, coldest and wettest days

Hottest day: 97°F; 18 August 2026, 17 August 2026
Coldest night: 74°F; 22 August 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

August 2026 brought 4.76 in of precipitation in Charleston Downtown, SC, the driest August since 2019, tied 49th driest of 132 (with 1957).
The hottest day of August 2026 in Charleston Downtown, SC: 97°F on Tuesday 18 August 2026 and Monday 17 August 2026.
The coldest night of August 2026 in Charleston Downtown, SC: a low of 74°F on Saturday 22 August 2026.
The wettest day of August 2026 in Charleston Downtown, SC: 1.20 in on Thursday 27 August 2026.