Charlotte Threshold Days by Year

18 fixed thresholds counted per year at Charlotte (USC00201476): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Charlotte Thresholds

Charlotte: days with 10 mm (0.39 in) or more of precipitation in 105 years, most in 1957 with 37.
Charlotte: days with 25 mm (0.98 in) or more of precipitation in 105 years, most in 1972 with 13.
Charlotte: days with a maximum temperature at or above 30 C (86 F) in 103 years, most in 1934 with 64.
Charlotte: days with a maximum temperature at or below 0 C (32 F) in 103 years, most in 2014 with 82.
18 fixed thresholds have at least one qualifying day at Charlotte.

Days at or above 30 C (86 F)

103 years with a qualifying day

Days per year at Charlotte with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 64 in 1934.

Days at or above 30 C (86 F) per year at Charlotte
Year	Days	Decade average
1902	19	30.8
1906	39	30.8
1908	42	30.8
1909	23	30.8
1910	32	29.4
1911	43	29.4
1912	22	29.4
1913	44	29.4
1914	31	29.4
1915	4	29.4
1916	35	29.4
1917	11	29.4
1918	32	29.4
1919	40	29.4
1920	19	26.8
1921	59	26.8
1923	21	26.8
1924	11	26.8
1925	33	26.8
1927	23	26.8
1928	16	26.8
1929	32	26.8
1930	63	52.7
1931	59	52.7
1932	47	52.7
1933	59	52.7
1934	64	52.7
1935	30	52.7
1936	63	52.7
1937	48	52.7
1938	38	52.7
1939	56	52.7
1940	39	32.5
1941	57	32.5
1942	15	32.5
1943	24	32.5
1944	43	32.5
1945	17	32.5
1946	36	32.5
1947	29	32.5
1950	14	29.9
1951	11	29.9
1954	35	29.9
1955	57	29.9
1957	29	29.9
1958	14	29.9
1959	49	29.9
1960	25	35.3
1961	46	35.3
1962	37	35.3
1963	39	35.3
1964	43	35.3
1965	28	35.3
1966	47	35.3
1967	18	35.3
1969	35	35.3
1970	32	30.7
1971	30	30.7
1972	20	30.7
1973	30	30.7
1974	29	30.7
1975	41	30.7
1976	36	30.7
1977	37	30.7
1978	28	30.7
1979	24	30.7
1980	24	26.3
1981	13	26.3
1982	16	26.3
1983	35	26.3
1984	34	26.3
1986	16	26.3
1987	39	26.3
1988	51	26.3
1989	9	26.3
1990	10	15.6
1991	33	15.6
1992	2	15.6
1993	9	15.6
1994	14	15.6
1995	23	15.6
1996	11	15.6
1997	10	15.6
1998	27	15.6
1999	17	15.6
2000	7	16.8
2001	28	16.8
2002	36	16.8
2003	10	16.8
2004	5	16.8
2006	12	16.8
2007	33	16.8
2008	15	16.8
2009	5	16.8
2010	23	22.4
2011	30	22.4
2012	46	22.4
2013	17	22.4
2014	6	22.4
2015	10	22.4
2016	24	22.4
2017	17	22.4
2018	29	22.4

For each year, a bar from the first to the last day at Charlotte meeting 30 C (86 F).

First to last qualifying date each year at Charlotte
Year	First date	Last date
1902	1902-05-19	1902-08-30
1906	1906-05-16	1906-09-21
1908	1908-05-22	1908-10-15
1909	1909-06-22	1909-09-14
1910	1910-06-15	1910-08-23
1911	1911-05-17	1911-09-05
1912	1912-05-23	1912-09-10
1913	1913-06-06	1913-09-07
1914	1914-05-19	1914-08-23
1915	1915-04-26	1915-09-14
1916	1916-07-02	1916-09-12
1917	1917-07-22	1917-08-20
1918	1918-05-31	1918-08-29
1919	1919-05-30	1919-09-09
1920	1920-06-10	1920-09-25
1921	1921-05-20	1921-09-29
1923	1923-06-01	1923-08-11
1924	1924-06-19	1924-08-31
1925	1925-05-31	1925-09-18
1927	1927-06-28	1927-09-18
1928	1928-05-04	1928-09-10
1929	1929-05-29	1929-09-05
1930	1930-05-06	1930-09-23
1931	1931-05-18	1931-09-22
1932	1932-05-15	1932-09-19
1933	1933-06-06	1933-09-25
1934	1934-05-19	1934-08-19
1935	1935-06-16	1935-09-18
1936	1936-05-07	1936-09-22
1937	1937-05-30	1937-09-23
1938	1938-05-03	1938-10-17
1939	1939-05-19	1939-09-16
1940	1940-05-13	1940-09-20
1941	1941-05-20	1941-09-22
1942	1942-04-30	1942-08-31
1943	1943-06-12	1943-09-01
1944	1944-05-26	1944-09-04
1945	1945-06-29	1945-09-07
1946	1946-06-16	1946-09-28
1947	1947-06-10	1947-09-19
1950	1950-05-25	1950-08-28
1951	1951-06-01	1951-10-04
1954	1954-05-24	1954-09-07
1955	1955-05-03	1955-09-19
1957	1957-06-10	1957-09-01
1958	1958-06-30	1958-08-30
1959	1959-05-02	1959-09-21
1960	1960-07-11	1960-09-09
1961	1961-06-10	1961-09-22
1962	1962-05-14	1962-09-13
1963	1963-06-02	1963-10-06
1964	1964-05-22	1964-09-10
1965	1965-06-20	1965-09-20
1966	1966-06-04	1966-09-03
1967	1967-06-05	1967-08-16
1969	1969-05-16	1969-09-06
1970	1970-05-21	1970-09-21
1971	1971-05-18	1971-10-02
1972	1972-05-24	1972-09-17
1973	1973-06-10	1973-09-05
1974	1974-07-01	1974-09-11
1975	1975-05-18	1975-08-25
1976	1976-06-08	1976-09-15
1977	1977-05-17	1977-08-29
1978	1978-05-27	1978-09-21
1979	1979-05-09	1979-09-30
1980	1980-04-23	1980-08-30
1981	1981-06-16	1981-08-14
1982	1982-05-14	1982-09-14
1983	1983-06-13	1983-09-19
1984	1984-06-06	1984-09-23
1986	1986-04-28	1986-09-26
1987	1987-05-18	1987-08-16
1988	1988-06-01	1988-08-18
1989	1989-06-24	1989-08-04
1990	1990-04-26	1990-09-07
1991	1991-05-13	1991-09-16
1992	1992-06-18	1992-08-11
1993	1993-06-25	1993-08-31
1994	1994-05-23	1994-07-22
1995	1995-06-18	1995-08-21
1996	1996-05-19	1996-08-23
1997	1997-06-25	1997-08-03
1998	1998-05-16	1998-09-27
1999	1999-05-30	1999-09-06
2000	2000-06-10	2000-09-02
2001	2001-06-14	2001-09-10
2002	2002-04-17	2002-09-10
2003	2003-06-23	2003-09-07
2004	2004-06-08	2004-08-27
2006	2006-05-28	2006-08-02
2007	2007-05-23	2007-10-08
2008	2008-06-06	2008-09-03
2009	2009-06-23	2009-08-16
2010	2010-05-26	2010-09-23
2011	2011-05-13	2011-09-04
2012	2012-03-22	2012-09-04
2013	2013-05-20	2013-09-12
2014	2014-05-09	2014-09-06
2015	2015-07-18	2015-09-08
2016	2016-06-11	2016-09-07
2017	2017-05-17	2017-09-27
2018	2018-05-26	2018-09-18

Every Fixed Threshold

Fixed thresholds at Charlotte
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	103	64	1934	29
35 C (95 F): Days	52	18	1931	10
40 C (104 F): Days	2	3	1936	3
90 F (32.2 C): Days	95	44	1934	10
100 F (37.8 C): Days	14	9	1934	2
0 C (32 F): Ice days (max	103	82	2014	57
0 C (32 F): Frost days (min	101	182	1976	162
-10 C (14 F): Days with min	101	72	2014	26
-20 C (-4 F): Days with min	89	25	1978	4
-30 C (-22 F): Days with min	14	3	1912	1
20 C (68 F): Tropical nights (min	96	31	1921	11
25 C (77 F): Days with min	10	4	1919	1
10 mm (0.39 in): Days with 10 mm or more rain	105	37	1957	27
25 mm (0.98 in): Days with 25 mm or more rain	105	13	1972	5
50 mm (1.97 in): Days with 50 mm or more rain	56	3	1933	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1975	1
10 cm (3.9 in): Days with 10 cm or more snowfall	56	7	1965	2
25 cm (9.8 in): Days with 25 cm or more snowfall	6	1	1965	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

Download the Data

Data for Charlotte threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Charlotte Threshold Days by Year

Key Facts for Charlotte Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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