Jacksonville 2E Threshold Days by Year (USC00114442)

20 fixed thresholds counted per year at Jacksonville 2E (USC00114442): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jacksonville 2E Thresholds

Jacksonville 2E: days with a maximum temperature at or above 30 C (86 F) in 131 years, most in 1936 with 106.
Jacksonville 2E: days with a maximum temperature at or above 90 F (32.2 C) in 131 years, most in 1936 with 82.
Jacksonville 2E: days with a maximum temperature at or below 0 C (32 F) in 131 years, most in 1978 with 67.
Jacksonville 2E: nights with a minimum temperature at or below 0 C (32 F) in 130 years, most in 2018 with 151.
20 fixed thresholds have at least one qualifying day at Jacksonville 2E.

Days at or above 30 C (86 F)

131 years with a qualifying day

Days per year at Jacksonville 2E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 106 in 1936.

Days at or above 30 C (86 F) per year at Jacksonville 2E
Year	Days	Decade average
1896	81	85
1897	97	85
1898	73	85
1899	89	85
1900	79	58.7
1901	95	58.7
1902	48	58.7
1903	41	58.7
1904	24	58.7
1905	59	58.7
1906	70	58.7
1907	42	58.7
1908	65	58.7
1909	64	58.7
1910	58	67
1911	82	67
1912	51	67
1913	93	67
1914	88	67
1915	28	67
1916	75	67
1917	48	67
1918	66	67
1919	81	67
1920	64	70.9
1921	91	70.9
1922	97	70.9
1923	64	70.9
1924	52	70.9
1925	87	70.9
1926	63	70.9
1927	59	70.9
1928	64	70.9
1929	68	70.9
1930	97	87.3
1931	87	87.3
1932	63	87.3
1933	89	87.3
1934	95	87.3
1935	72	87.3
1936	106	87.3
1937	77	87.3
1938	96	87.3
1939	91	87.3
1940	78	72.6
1941	93	72.6
1942	67	72.6
1943	76	72.6
1944	94	72.6
1945	48	72.6
1946	57	72.6
1947	69	72.6
1948	69	72.6
1949	75	72.6
1950	37	73
1951	40	73
1952	76	73
1953	91	73
1954	94	73
1955	88	73
1956	97	73
1957	65	73
1958	50	73
1959	92	73
1960	57	53.2
1961	61	53.2
1962	58	53.2
1963	74	53.2
1964	64	53.2
1965	48	53.2
1966	48	53.2
1967	28	53.2
1968	49	53.2
1969	45	53.2
1970	42	48.8
1971	59	48.8
1972	54	48.8
1973	37	48.8
1974	33	48.8
1975	55	48.8
1976	51	48.8
1977	54	48.8
1978	55	48.8
1979	48	48.8
1980	64	57.6
1981	38	57.6
1982	35	57.6
1983	83	57.6
1984	51	57.6
1985	39	57.6
1986	58	57.6
1987	81	57.6
1988	77	57.6
1989	50	57.6
1990	54	54.7
1991	69	54.7
1992	34	54.7
1993	46	54.7
1994	55	54.7
1995	59	54.7
1996	49	54.7
1997	59	54.7
1998	64	54.7
1999	58	54.7
2000	58	58.1
2001	57	58.1
2002	69	58.1
2003	42	58.1
2004	39	58.1
2005	84	58.1
2006	74	58.1
2007	88	58.1
2008	43	58.1
2009	27	58.1
2010	80	66
2011	76	66
2012	83	66
2013	54	66
2014	44	66
2015	53	66
2016	69	66
2017	66	66
2018	76	66
2019	59	66
2020	54	64.7
2021	64	64.7
2022	58	64.7
2023	62	64.7
2024	62	64.7
2025	76	64.7
2026	77	64.7

For each year, a bar from the first to the last day at Jacksonville 2E meeting 30 C (86 F).

First to last qualifying date each year at Jacksonville 2E
Year	First date	Last date
1896	1896-04-16	1896-09-14
1897	1897-05-06	1897-10-16
1898	1898-05-23	1898-10-03
1899	1899-04-28	1899-10-15
1900	1900-05-13	1900-10-05
1901	1901-04-29	1901-10-12
1902	1902-04-21	1902-08-29
1903	1903-05-16	1903-10-03
1904	1904-05-24	1904-09-28
1905	1905-04-09	1905-10-05
1906	1906-04-25	1906-09-21
1907	1907-03-21	1907-09-19
1908	1908-06-18	1908-09-26
1909	1909-04-29	1909-10-03
1910	1910-03-23	1910-09-21
1911	1911-05-09	1911-10-03
1912	1912-05-23	1912-10-06
1913	1913-05-14	1913-09-11
1914	1914-04-26	1914-09-21
1915	1915-05-13	1915-09-16
1916	1916-04-12	1916-10-08
1917	1917-05-19	1917-09-16
1918	1918-03-13	1918-10-05
1919	1919-05-29	1919-10-02
1920	1920-06-08	1920-09-26
1921	1921-05-19	1921-09-29
1922	1922-05-10	1922-10-05
1923	1923-06-02	1923-09-29
1924	1924-05-05	1924-10-18
1925	1925-04-22	1925-09-29
1926	1926-05-24	1926-10-03
1927	1927-05-21	1927-10-28
1928	1928-05-02	1928-10-12
1929	1929-03-24	1929-09-28
1930	1930-04-10	1930-10-12
1931	1931-05-16	1931-10-06
1932	1932-05-14	1932-09-19
1933	1933-05-20	1933-09-30
1934	1934-05-06	1934-09-20
1935	1935-06-13	1935-10-16
1936	1936-04-20	1936-09-22
1937	1937-04-17	1937-10-05
1938	1938-04-19	1938-10-17
1939	1939-05-06	1939-10-08
1940	1940-05-07	1940-10-26
1941	1941-04-12	1941-09-24
1942	1942-04-29	1942-09-19
1943	1943-05-05	1943-09-05
1944	1944-05-11	1944-10-06
1945	1945-03-16	1945-09-23
1946	1946-06-06	1946-10-06
1947	1947-06-09	1947-10-22
1948	1948-04-07	1948-09-20
1949	1949-05-03	1949-10-09
1950	1950-04-23	1950-10-31
1951	1951-04-28	1951-09-12
1952	1952-04-29	1952-09-30
1953	1953-05-24	1953-10-04
1954	1954-04-25	1954-10-04
1955	1955-05-03	1955-09-29
1956	1956-04-27	1956-10-12
1957	1957-04-19	1957-09-04
1958	1958-05-17	1958-09-25
1959	1959-05-02	1959-09-23
1960	1960-04-23	1960-09-23
1961	1961-05-31	1961-09-23
1962	1962-05-14	1962-10-12
1963	1963-04-17	1963-10-20
1964	1964-05-17	1964-10-17
1965	1965-04-23	1965-09-19
1966	1966-06-12	1966-09-03
1967	1967-05-24	1967-10-04
1968	1968-05-02	1968-09-07
1969	1969-05-28	1969-10-04
1970	1970-04-29	1970-09-22
1971	1971-04-13	1971-10-03
1972	1972-05-20	1972-09-21
1973	1973-06-10	1973-09-03
1974	1974-05-21	1974-08-27
1975	1975-05-20	1975-09-11
1976	1976-06-09	1976-10-04
1977	1977-04-17	1977-09-09
1978	1978-05-26	1978-09-21
1979	1979-05-09	1979-10-22
1980	1980-04-23	1980-09-23
1981	1981-06-05	1981-10-06
1982	1982-05-06	1982-10-06
1983	1983-06-12	1983-10-04
1984	1984-06-06	1984-09-25
1985	1985-03-29	1985-09-21
1986	1986-03-30	1986-09-29
1987	1987-04-21	1987-09-27
1988	1988-04-06	1988-09-23
1989	1989-04-26	1989-10-15
1990	1990-04-25	1990-10-07
1991	1991-05-15	1991-09-16
1992	1992-05-17	1992-10-15
1993	1993-06-08	1993-09-13
1994	1994-05-23	1994-10-02
1995	1995-06-08	1995-09-16
1996	1996-05-17	1996-09-08
1997	1997-05-18	1997-10-08
1998	1998-05-15	1998-09-29
1999	1999-06-05	1999-09-27
2000	2000-05-09	2000-10-04
2001	2001-04-09	2001-09-14
2002	2002-04-16	2002-10-03
2003	2003-04-15	2003-10-21
2004	2004-04-18	2004-09-24
2005	2005-05-09	2005-10-05
2006	2006-04-14	2006-10-05
2007	2007-04-30	2007-10-09
2008	2008-05-31	2008-09-26
2009	2009-04-25	2009-08-28
2010	2010-05-24	2010-10-11
2011	2011-04-04	2011-10-07
2012	2012-04-02	2012-09-13
2013	2013-05-15	2013-10-05
2014	2014-05-09	2014-09-30
2015	2015-05-06	2015-09-26
2016	2016-05-31	2016-10-18
2017	2017-05-10	2017-10-15
2018	2018-05-02	2018-10-04
2019	2019-05-17	2019-10-03
2020	2020-04-09	2020-09-06
2021	2021-05-24	2021-10-01
2022	2022-05-11	2022-09-22
2023	2023-05-08	2023-10-04
2024	2024-04-15	2024-10-13
2025	2025-04-29	2025-10-07
2026	2026-03-11	2026-10-14

Every Fixed Threshold

Fixed thresholds at Jacksonville 2E
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	131	106	1936	77
35 C (95 F): Days	116	58	1936	12
40 C (104 F): Days	12	24	1936	2
45 C (113 F): Days	1	1	1954	1
90 F (32.2 C): Days	131	82	1936	41
100 F (37.8 C): Days	52	36	1936	1
110 F (43.3 C): Days	3	5	1934	1
0 C (32 F): Ice days (max	131	67	1978	19
0 C (32 F): Frost days (min	130	151	2018	67
-10 C (14 F): Days with min	130	57	1978	22
-20 C (-4 F): Days with min	108	16	1918	7
-30 C (-22 F): Days with min	6	2	1899	1
20 C (68 F): Tropical nights (min	130	53	1921	42
25 C (77 F): Days with min	29	6	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	130	48	1927	24
25 mm (0.98 in): Days with 25 mm or more rain	130	21	1990	12
50 mm (1.97 in): Days with 50 mm or more rain	98	6	1926	3
100 mm (3.94 in): Days with 100 mm or more rain	17	1	1911	1
10 cm (3.9 in): Days with 10 cm or more snowfall	94	4	1934	1
25 cm (9.8 in): Days with 25 cm or more snowfall	6	1	1927	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

Data for Jacksonville 2E 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Jacksonville 2E Threshold Days by Year (USC00114442)

Key Facts for Jacksonville 2E Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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