Charleston SC Most Precipitation in a Day for Each Year

This page lists the biggest rainstorms or snowstorms of the year in Charleston, South Carolina along with the date they occurred. The information answers questions like: When was the last time more than ten inches of precipitation landed on Charleston in a single day? What was the rainiest day of 2019?

The list gives the highest daily precipitation for each year in Charleston and the date that it happened. A date with a plus sign beside it means the same amount of moisture also fell on at least one other day earlier that year.

These records go back to 1893. During that time the heaviest downpour measured for a single day was 11.50 inches (292.1 millimetres) on October 3, 2015.

Since 1938 the precipitation extremes were observed at Charleston International Airport. Before then, the weather station was in downtown Charleston.

Most precipitation in one day for recent years in Charleston
Inches	Date	Millimetres
3.68	July 23, 2023	93.5
5.57	September 30, 2022	141.5
4.08	August 15, 2021	103.6
3.01	September 16, 2020	76.5
3.06	September 05, 2019	77.7
4.88	May 19, 2018	124.0
5.51	September 11, 2017	140.0
5.77	October 08, 2016	146.6
11.50	October 03, 2015	292.1
4.02	August 10, 2014	102.1
3.00	March 24, 2013	76.2
2.32	August 28, 2012	58.9
2.98	August 13, 2011	75.7
4.97	August 06, 2010	126.2

Highest daily precipitation recorded at Charleston each year
Inches	Date	Millimetres
4.15	July 08, 2009	105.4
6.57	October 24, 2008	166.9
2.38	October 24, 2007	60.5
4.53	August 24, 2006	115.1
2.59	November 21, 2005	65.8
3.98	August 29, 2004	101.1
2.80	March 20, 2003	71.1
3.47	October 11, 2002	88.1
3.85	July 27, 2001	97.8
2.37	September 05, 2000	60.2
4.96	September 28, 1999	126.0
10.52	September 21, 1998	267.2
4.91	June 06, 1997	124.7
3.73	October 08, 1996	94.7
2.37	June 05, 1995	60.2
3.39	October 13, 1994	86.1
3.90	January 12, 1993	99.1
2.76	November 22, 1992	70.1
2.56	July 06, 1991	65.0
4.48	October 11, 1990	113.8
4.84	September 21, 1989	122.9
2.66	August 28, 1988	67.6
6.00	September 05, 1987	152.4
3.82	August 14, 1986	97.0
4.20	July 24, 1985	106.7
1.76	April 10, 1984	44.7
3.26	July 04, 1983	82.8
3.68	June 18, 1982	93.5
5.39	July 03, 1981	136.9
4.57	July 25, 1980	116.1
6.06	September 04, 1979	153.9
3.40	December 24, 1978	86.4
2.36	March 04, 1977	59.9
4.86	May 23, 1976	123.4
2.74	April 14, 1975	69.6
4.69	August 16, 1974	119.1
9.40	June 11, 1973	238.8
3.15	November 29, 1972	80.0
3.41	August 15, 1971	86.6
3.00	August 25, 1970	76.2
5.24	November 01, 1969	133.1
2.67	June 07, 1968	67.8
6.23	May 22, 1967	158.2
4.58	July 02, 1966	116.3
3.50	October 18, 1965	88.9
4.93	July 17, 1964	125.2
5.20	June 23, 1963	132.1
4.60	August 03, 1962	116.8
3.48	June 27, 1961	88.4
4.51	July 29, 1960	114.6
4.48	March 05, 1959	113.8
4.20	June 20, 1958	106.7
3.31	August 19, 1957	84.1
3.86	September 25, 1956	98.0
1.82	June 18, 1955	46.2
3.89	October 15, 1954	98.8
2.61	September 26, 1953	66.3
3.52	September 22, 1952	89.4
2.01	June 18, 1951	51.1
2.84	July 08, 1950	72.1
3.79	September 07, 1949	96.3
3.55	April 01, 1948	90.2
3.12	September 24, 1947	79.2
3.64	June 17, 1946	92.5
6.19	September 17, 1945	157.2
5.77	October 19, 1944	146.6
4.08	August 18, 1943	103.6
2.33	August 09, 1942	59.2
4.90	June 27, 1941	124.5
7.88	August 11, 1940	200.2
4.28	June 16, 1939	108.7
2.86	September 29, 1938	72.6
3.55	July 27, 1937	90.2
3.16	March 10, 1936	80.3
6.08	August 18, 1935	154.4
2.32	May 25, 1934	58.9
10.33	September 06, 1933	262.4
4.39	May 20, 1932	111.5
1.52	July 04, 1931	38.6
2.38	June 16, 1930	60.5
2.24	July 31, 1929	56.9
6.72	September 18, 1928	170.7
2.93	August 10, 1927	74.4
1.91	May 20, 1926	48.5
2.63	January 16, 1925	66.8
4.47	September 16, 1924	113.5
4.70	August 24, 1923	119.4
2.53	May 27, 1922	64.3
7.11	July 14, 1921	180.6
3.35	September 15, 1920	85.1
5.44	July 22, 1919	138.2
2.70	July 19, 1918	68.6
2.60	August 03, 1917	66.0
3.97	July 23, 1916	100.8
4.70	May 12, 1915	119.4
2.78	July 03, 1914	70.6
3.56	September 05, 1913	90.4
5.43	June 07, 1912	137.9
3.00	September 02, 1911	76.2
3.75	August 30, 1910	95.3
2.22	August 19, 1909	56.4
2.56	November 14, 1908	65.0
3.25	June 29, 1907	82.6
3.41	August 02, 1906	86.6
1.96	October 26, 1905	49.8
3.82	October 20, 1904	97.0
2.88	August 19, 1903	73.2
2.96	December 04, 1902	75.2
1.82	June 13, 1901	46.2
3.85	November 03, 1900	97.8
4.20	August 29, 1899	106.7
3.07	July 13, 1898	78.0
5.30	October 19, 1897	134.6
3.40	December 02, 1896	86.4
2.54	June 23, 1895	64.5
4.86	September 26, 1894	123.4
3.61	June 07, 1893	91.7

Charleston - Extreme Daily Precipitation for Each Year

Reference

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