Jackson Threshold Days by Year (USC00484910)

14 fixed thresholds counted per year at Jackson (USC00484910): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jackson Thresholds

Jackson: nights with a minimum temperature at or below 0 C (32 F) in 89 years, most in 1944 with 276.
Jackson: nights with a minimum temperature at or below -10 C (14 F) in 89 years, most in 1976 with 121.
Jackson: nights with a minimum temperature at or below -20 C (-4 F) in 89 years, most in 1985 with 59.
Jackson: days with a maximum temperature at or below 0 C (32 F) in 80 years, most in 2023 with 101.
14 fixed thresholds have at least one qualifying day at Jackson.

Days at or above 30 C (86 F)

79 years with a qualifying day

Days per year at Jackson with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 57 in 1988.

Days at or above 30 C (86 F) per year at Jackson
Year	Days	Decade average
1905	8	6.5
1906	5	6.5
1923	10	10
1932	12	15.2
1933	31	15.2
1935	15	15.2
1936	15	15.2
1938	3	15.2
1941	9	7.8
1942	9	7.8
1944	1	7.8
1945	1	7.8
1946	28	7.8
1947	4	7.8
1948	3	7.8
1949	7	7.8
1950	8	13.3
1951	6	13.3
1952	3	13.3
1953	11	13.3
1954	22	13.3
1955	29	13.3
1956	17	13.3
1957	8	13.3
1959	16	13.3
1960	7	12.1
1961	17	12.1
1962	4	12.1
1963	5	12.1
1964	11	12.1
1965	3	12.1
1966	21	12.1
1967	10	12.1
1968	12	12.1
1969	31	12.1
1970	18	14.4
1971	15	14.4
1972	7	14.4
1973	11	14.4
1974	25	14.4
1975	14	14.4
1976	12	14.4
1977	13	14.4
1978	16	14.4
1979	13	14.4
1980	5	22.8
1981	30	22.8
1985	17	22.8
1987	4	22.8
1988	57	22.8
1989	24	22.8
1990	34	27.5
1991	23	27.5
1992	23	27.5
1994	42	27.5
1998	21	27.5
1999	22	27.5
2001	22	24.3
2002	26	24.3
2003	47	24.3
2004	13	24.3
2005	23	24.3
2006	23	24.3
2008	16	24.3
2011	7	3.4
2013	5	3.4
2014	1	3.4
2015	4	3.4
2016	3	3.4
2017	2	3.4
2018	3	3.4
2019	2	3.4
2020	6	8.9
2021	11	8.9
2022	8	8.9
2023	4	8.9
2024	10	8.9
2025	5	8.9
2026	18	8.9

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

First to last qualifying date each year at Jackson
Year	First date	Last date
1905	1905-07-10	1905-08-29
1906	1906-07-20	1906-08-16
1923	1923-07-02	1923-08-13
1932	1932-06-24	1932-08-20
1933	1933-06-13	1933-09-05
1935	1935-07-12	1935-08-27
1936	1936-06-20	1936-08-23
1938	1938-07-30	1938-08-12
1941	1941-06-21	1941-08-08
1942	1942-07-07	1942-08-23
1944	1944-08-23	1944-08-23
1945	1945-07-25	1945-07-25
1946	1946-07-03	1946-08-21
1947	1947-07-19	1947-09-08
1948	1948-07-10	1948-09-14
1949	1949-07-31	1949-08-21
1950	1950-07-03	1950-09-06
1951	1951-07-14	1951-08-18
1952	1952-07-23	1952-07-30
1953	1953-07-09	1953-08-13
1954	1954-06-23	1954-09-02
1955	1955-06-22	1955-09-07
1956	1956-06-30	1956-09-25
1957	1957-07-09	1957-08-18
1959	1959-06-12	1959-09-11
1960	1960-07-17	1960-07-27
1961	1961-07-03	1961-08-23
1962	1962-06-26	1962-08-26
1963	1963-07-21	1963-08-14
1964	1964-07-08	1964-08-18
1965	1965-08-08	1965-08-11
1966	1966-06-29	1966-08-25
1967	1967-07-13	1967-09-05
1968	1968-07-14	1968-08-07
1969	1969-06-05	1969-09-01
1970	1970-06-24	1970-08-31
1971	1971-06-22	1971-08-27
1972	1972-07-29	1972-08-12
1973	1973-07-03	1973-08-21
1974	1974-06-15	1974-08-06
1975	1975-07-02	1975-08-07
1976	1976-06-30	1976-09-06
1977	1977-06-05	1977-08-17
1978	1978-07-09	1978-09-05
1979	1979-06-29	1979-09-08
1980	1980-07-22	1980-08-13
1981	1981-06-26	1981-08-27
1985	1985-06-08	1985-08-27
1987	1987-07-26	1987-09-25
1988	1988-06-04	1988-09-05
1989	1989-06-20	1989-08-01
1990	1990-06-23	1990-09-15
1991	1991-07-05	1991-09-01
1992	1992-06-24	1992-08-22
1994	1994-06-20	1994-09-09
1998	1998-07-02	1998-09-03
1999	1999-07-06	1999-08-27
2001	2001-06-23	2001-08-29
2002	2002-06-25	2002-09-06
2003	2003-05-28	2003-08-26
2004	2004-07-12	2004-08-17
2005	2005-07-07	2005-08-30
2006	2006-06-06	2006-08-23
2008	2008-07-25	2008-08-26
2011	2011-07-03	2011-08-25
2013	2013-06-29	2013-08-17
2014	2014-07-24	2014-07-24
2015	2015-06-28	2015-08-26
2016	2016-07-22	2016-08-19
2017	2017-07-06	2017-07-07
2018	2018-07-07	2018-08-12
2019	2019-07-13	2019-07-23
2020	2020-08-02	2020-09-06
2021	2021-06-15	2021-08-15
2022	2022-07-18	2022-09-08
2023	2023-07-23	2023-07-31
2024	2024-07-11	2024-08-07
2025	2025-07-02	2025-08-24
2026	2026-07-12	2026-08-22

Every Fixed Threshold

Fixed thresholds at Jackson
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	79	57	1988	18
35 C (95 F): Days	6	8	2003	8
90 F (32.2 C): Days	46	29	2003	5
0 C (32 F): Ice days (max	80	101	2023	27
0 C (32 F): Frost days (min	89	276	1944	147
-10 C (14 F): Days with min	89	121	1976	38
-20 C (-4 F): Days with min	89	59	1985	7
-30 C (-22 F): Days with min	79	14	1906	1
-40 C (-40 F): Days with min	10	6	1979	1
10 mm (0.39 in): Days with 10 mm or more rain	73	17	2016	8
25 mm (0.98 in): Days with 25 mm or more rain	35	3	1963	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	2023	1
10 cm (3.9 in): Days with 10 cm or more snowfall	53	13	1964	2
25 cm (9.8 in): Days with 25 cm or more snowfall	14	3	1969	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

Data for Jackson 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).

Jackson Threshold Days by Year (USC00484910)

Key Facts for Jackson Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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