Charleston, SC: June

30 June 2026: June 2026 averaged 80.8°F in Charleston, SC, the warmest June since 2025, 18th warmest of 90.

June 2026

Mean temperature: 80.8°F; Warmest since 2025; 18th warmest of 90
Precipitation: 1.89 in; Driest since 1970; 6th driest of 90

A normal June in Charleston, SC (1991 to 2020): a mean temperature of 79.2°F, between 77.4°F and 82.4°F in eight years of ten and 5.12 in of precipitation, between 3.38 in and 10.82 in in eight years of ten.

The mean temperature of every June in Charleston, SC since 1937: 80.8°F in 2026; the highest is 83.4°F, in 2010.

Normal range, 77.4 to 82.4°F

Every year, ranked, as a table

Every June 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	80.8	18	90.9	17	70.7	29	1.89	85
2025	82.1	8	91.5	10	72.7	6	3.17	72
2024	81.8	11	91.5	10	72.2	11	4.19	58
2023	78.1	60	87.1	58	69.1	53	4.24	56
2022	80.3	23	89.7	24	70.8	27	6.27	33
2021	78.8	42	86.8	64	70.8	27	7.20	21
2020	77.9	62	86.3	70	69.5	42	5.20	46
2019	79.5	32	88.9	35	70.1	36	7.44	19
2018	82.3	5	91.2	14	73.3	2	4.21	57
2017	78.4	52	86.6	67	70.1	36	6.47	31
2016	82.3	5	91.4	12	73.1	3	3.14	74
2015	82.3	5	91.6	7	72.9	5	7.69	17
2014	82	9	91.6	7	72.4	8	3.59	65
2013	80.2	24	88.1	43	72.2	11	13.32	6
2012	76.1	80	85.4	79	66.8	77	9.79	10
2011	83.3	2	94.1	1	72.4	8	4.37	53
2010	83.4	1	92.3	3	74.4	1	7.94	16
2009	80.9	17	90.2	20	71.5	15	5.04	48
2008	81.2	14	91.3	13	71	22	2.61	78
2007	78.5	50	87.9	49	69.1	53	4.33	55
2006	78.4	52	87.8	51	69.1	53	10.72	9
2005	78.6	46	86.1	71	71	22	4.68	51
2004	80.4	20	88.7	37	72.1	13	3.50	67
2003	78.6	46	87.5	54	69.8	40	6.58	30
2002	78.7	45	88	47	69.4	48	5.89	39
2001	78.9	40	88.1	43	69.8	40	8.83	15
2000	79.7	30	89.9	23	69.5	42	4.35	54
1999	76.4	77	85.2	81	67.6	72	2.32	81
1998	82.8	3	93.2	2	72.4	8	3.41	71
1997	74.8	88	82.6	90	67	76	13.76	5
1996	78.3	58	87.9	49	68.7	58	4.04	62
1995	78.4	52	87	61	69.9	39	6.72	28
1994	79.8	29	88.4	40	71.1	19	11.71	8
1993	79.4	34	88.7	37	70.2	33	3.70	64
1992	77.5	65	85.5	78	69.5	42	6.22	34
1991	78.9	40	87.2	57	70.6	31	4.54	52
1990	81	16	91.1	15	70.9	24	3.12	75
1989	80.4	20	89.5	25	71.3	17	7.26	20
1988	76.7	74	88.4	40	64.9	87	2.32	81
1987	80	27	89	33	71.1	19	5.64	40
1986	81.4	12	90.1	21	72.7	6	2.51	79
1985	79.6	31	89	33	70.2	33	7.02	22
1984	78.8	42	88	47	69.5	42	2.96	76
1983	76.9	71	85.8	75	68	62	2.37	80
1982	78.8	42	86.7	66	70.9	24	9.16	13
1981	82.7	4	92.3	3	73.1	3	6.04	36
1980	78.4	52	87.3	55	69.5	42	3.15	73
1979	75.8	83	85	82	66.7	79	2.23	83
1978	78.6	46	88.1	43	69.1	53	3.42	70
1977	81.2	14	91.6	7	70.7	29	2.12	84
1976	75.8	83	84.7	85	66.8	77	5.59	41
1975	78.5	50	87.6	52	69.4	48	5.96	38
1974	75.3	86	84.7	85	66	85	9.45	11
1973	78.4	52	86.6	67	70.2	33	27.24	1
1972	74	89	84.9	84	63.1	90	5.29	45
1971	80.4	20	90.3	19	70.5	32	4.07	60
1970	78.4	52	88.8	36	68	62	0.96	89
1969	80.2	24	89.3	29	71.2	18	4.88	49
1968	77.8	63	87	61	68.5	60	9.41	12
1967	75.5	85	84.5	88	66.6	82	4.06	61
1966	73.7	90	84	89	63.3	89	6.03	37
1965	76.1	80	85	82	67.2	74	6.68	29
1964	80	27	89.1	32	70.9	24	6.95	23
1963	79.1	37	88.3	42	70	38	14.34	4
1962	76.3	78	84.6	87	68	62	16.07	2
1961	76.6	76	85.9	72	67.4	73	6.84	24
1960	77.5	65	87.3	55	67.7	70	6.76	27
1959	75.9	82	85.9	72	65.9	86	1.36	88
1958	76.7	74	85.6	76	67.8	68	12.09	7
1957	77.4	68	85.6	76	69.2	52	6.83	25
1956	76.9	71	87	61	66.7	79	7.69	17
1955	74.9	87	85.3	80	64.6	88	3.47	68
1954	79.1	37	90.1	21	68	62	0.96	89
1953	77.5	65	87.1	58	68	62	3.98	63
1952	82	9	92	5	71.9	14	3.59	65
1951	78	61	88.1	43	67.8	68	4.70	50
1950	79.5	32	89.4	27	69.5	42	3.47	68
1949	77.4	68	86.4	69	68.4	61	6.35	32
1948	79	39	90.9	17	67.2	74	1.43	87
1947	76.8	73	87.1	58	66.4	83	6.82	26
1946	77	70	87.6	52	66.3	84	5.20	46
1945	79.2	36	89.3	29	69.1	53	5.36	44
1944	80.6	19	91.9	6	69.3	50	5.54	42
1943	81.3	13	91.1	15	71.5	15	5.37	43
1942	78.6	46	89.5	25	67.7	70	4.17	59
1941	77.7	64	86.8	64	68.7	58	16.01	3
1940	78.2	59	88.5	39	67.9	67	2.62	77
1939	80.2	24	89.4	27	71.1	19	8.85	14
1938	76.3	78	85.9	72	66.7	79	1.70	86
1937	79.3	35	89.3	29	69.3	50	6.22	34

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2010	83.4
2011	83.3
1998	82.8
1981	82.7
2018	82.3
2016	82.3
2015	82.3
2025	82.1
2014	82
1952	82

Coldest
Year	Mean, °F
1966	73.7
1972	74
1997	74.8
1955	74.9
1974	75.3
1967	75.5
1979	75.8
1976	75.8
1959	75.9
2012	76.1
More years share the last value

Wettest
Year	Precipitation, in
1973	27.24
1962	16.07
1941	16.01
1963	14.34
1997	13.76
2013	13.32
1958	12.09
1994	11.71
2006	10.72
2012	9.79

Driest
Year	Precipitation, in
1970	0.96
1954	0.96
1959	1.36
1948	1.43
1938	1.70
2026	1.89
1977	2.12
1979	2.23
1999	2.32
1988	2.32

The hottest, coldest and wettest days

Hottest day: 99°F; 13 June 2026
Coldest night: 56°F; 3 June 2026
Wettest day: 0.57 in; 1 June 2026

Every month, season and year

Months

Seasons

Years

Charleston, SC the day's answers

All-time records

Every answer in words

June 2026 brought 1.89 in of precipitation in Charleston, SC, the driest June since 1970, 6th driest of 90.
The hottest day of June 2026 in Charleston, SC: 99°F on Saturday 13 June 2026.
The coldest night of June 2026 in Charleston, SC: a low of 56°F on Wednesday 3 June 2026.
The wettest day of June 2026 in Charleston, SC: 0.57 in on Monday 1 June 2026.