Charleston Downtown, SC: records

4 October 2026: The hottest day on record in Charleston Downtown, SC: 104°F on Sunday 2 June 1985 and Saturday 24 June 1944.

The record begins: 1893

All-time records

Hottest day: 104°F; 2 June 1985, 24 June 1944
Coldest night: 7°F; 14 February 1899
Wettest day: 10.38 in; 11 June 1973
Warmest night: 86°F; 1 August 1999, 1 July 1998
Coldest day: 21°F; 23 December 1989

Daily records by decade

New daily records set in Charleston Downtown, SC by decade since the 1920s: the most record highs, 95, came in the 1930s; the most record lows, 68, in the 1920s.

Record highs
Record lows

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1890s	0	0	7
1900s	0	0	10
1910s	0	0	10
1920s	91	68	10
1930s	95	60	10
1940s	58	54	10
1950s	53	43	10
1960s	23	42	10
1970s	32	29	10
1980s	40	28	10
1990s	22	6	10
2000s	15	10	10
2010s	14	5	10
2020s	10	2	7

Records by month

Month	Highest	Lowest	Wettest day
January	82°F 23 January 1937	10°F 21 January 1985	2.63 in 16 January 1925
February	83°F 28 February 2023, 27 February 1962	7°F 14 February 1899	4.77 in 14 February 1944
March	94°F 23 March 1907	22°F 3 March 1980	3.63 in 9 March 2024
April	94°F 23 April 1980	36°F 7 April 1982, 13 April 1940, 6 April 1920 and 2 more	3.67 in 28 April 1997
May	100°F 27 May 2019	45°F 20 May 1894	5.40 in 23 May 1976
June	104°F 2 June 1985, 24 June 1944	49°F 12 June 1913	10.38 in 11 June 1973
July	103°F 22 July 1977, 6 July 1902	61°F 4 July 1933	7.11 in 14 July 1921
August	103°F 1 August 1999	59°F 29 August 1986	7.66 in 11 August 1940
September	100°F 5 September 1944, 4 September 1944, 2 September 1912 and 1 more	50°F 30 September 1967, 29 September 1942	10.33 in 6 September 1933
October	95°F 6 October 1919	37°F 27 October 1926, 30 October 1910	9.25 in 3 October 2015
November	87°F 1 November 1961	17°F 25 November 1950	6.65 in 1 November 1969
December	81°F 7 December 1998, 19 December 1967, 9 December 1943 and 2 more	12°F 30 December 1917	3.92 in 17 December 2023

Streaks, months and years

Longest heat streak	18 days	30 July to 16 August 1980	A high of 90°F or above
Longest cold streak	3 days	30 December 1917 to 1 January 1918	A high of 32°F or below
Wettest month	23.75 in	July 1964
Driest month	0.00 in	November 2007	and 1 more
Wettest year	74.87 in	1945
Driest year	28.80 in	1931

Every record in words

The coldest night on record in Charleston Downtown, SC: a low of 7°F on Tuesday 14 February 1899.
The wettest day on record in Charleston Downtown, SC: 10.38 in on Monday 11 June 1973.
The warmest night on record in Charleston Downtown, SC: a low of 86°F on Sunday 1 August 1999 and Wednesday 1 July 1998.
The coldest day on record in Charleston Downtown, SC: a high of 21°F on Saturday 23 December 1989.
The longest run of days with a high of 90°F or above in Charleston Downtown, SC: 18 days, from Wednesday 30 July to Saturday 16 August 1980.
The longest run of days with a high of 32°F or below in Charleston Downtown, SC: 3 days, from Sunday 30 December 1917 to Tuesday 1 January 1918.
The wettest month on record in Charleston Downtown, SC: July 1964, with 23.75 in of precipitation.
The driest month on record in Charleston Downtown, SC: November 2007, with 0.00 in of precipitation (shared with 1 other month).
The wettest year on record in Charleston Downtown, SC: 1945, with 74.87 in of precipitation.
The driest year on record in Charleston Downtown, SC: 1931, with 28.80 in of precipitation.

Charleston Downtown, SC the day's answers