Trelleborg Threshold Days by Year (SWE00137492)

3 fixed thresholds counted per year at Trelleborg (SWE00137492): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Trelleborg Thresholds

Trelleborg: days with 10 mm (0.39 in) or more of precipitation in 81 years, most in 2023 with 25.
Trelleborg: days with 25 mm (0.98 in) or more of precipitation in 54 years, most in 2007 with 6.
Trelleborg: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1945 with 1.
3 fixed thresholds have at least one qualifying day at Trelleborg.

Days with 10 mm (0.39 in) or more of precipitation

81 years with a qualifying day

Days per year at Trelleborg with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 2023.

Days with 10 mm (0.39 in) or more of precipitation per year at Trelleborg
Year	Days	Decade average
1945	13	10
1946	14	10
1947	3	10
1948	7	10
1949	13	10
1950	16	11.2
1951	15	11.2
1952	10	11.2
1953	5	11.2
1954	19	11.2
1955	8	11.2
1956	11	11.2
1957	6	11.2
1958	16	11.2
1959	6	11.2
1960	19	13.1
1961	13	13.1
1962	9	13.1
1963	15	13.1
1964	7	13.1
1965	11	13.1
1966	17	13.1
1967	14	13.1
1968	14	13.1
1969	12	13.1
1970	7	7.7
1971	2	7.7
1972	8	7.7
1973	11	7.7
1974	12	7.7
1975	8	7.7
1976	9	7.7
1977	5	7.7
1978	3	7.7
1979	12	7.7
1980	10	13.3
1981	19	13.3
1982	11	13.3
1983	13	13.3
1984	13	13.3
1985	16	13.3
1986	10	13.3
1987	13	13.3
1988	15	13.3
1990	11	14.6
1991	13	14.6
1992	10	14.6
1993	15	14.6
1994	18	14.6
1995	16	14.6
1996	11	14.6
1997	15	14.6
1998	18	14.6
1999	19	14.6
2000	9	14.9
2001	19	14.9
2002	20	14.9
2003	14	14.9
2004	19	14.9
2005	11	14.9
2006	16	14.9
2007	17	14.9
2008	12	14.9
2009	12	14.9
2010	20	14.6
2011	18	14.6
2012	8	14.6
2013	14	14.6
2014	17	14.6
2015	15	14.6
2016	18	14.6
2017	19	14.6
2018	7	14.6
2019	10	14.6
2020	13	13
2021	16	13
2022	11	13
2023	25	13
2024	16	13
2025	7	13
2026	3	13

For each year, a bar from the first to the last day at Trelleborg meeting 10 mm (0.39 in).

First to last qualifying date each year at Trelleborg
Year	First date	Last date
1945	1945-01-18	1945-12-28
1946	1946-02-01	1946-11-02
1947	1947-04-30	1947-11-20
1948	1948-05-26	1948-08-17
1949	1949-02-14	1949-12-11
1950	1950-01-12	1950-12-23
1951	1951-01-07	1951-11-03
1952	1952-04-27	1952-10-28
1953	1953-01-23	1953-12-18
1954	1954-01-15	1954-12-11
1955	1955-04-11	1955-12-28
1956	1956-01-12	1956-12-11
1957	1957-03-27	1957-10-11
1958	1958-02-04	1958-11-01
1959	1959-04-10	1959-10-23
1960	1960-01-28	1960-12-22
1961	1961-01-03	1961-12-31
1962	1962-05-09	1962-09-04
1963	1963-04-11	1963-11-23
1964	1964-05-03	1964-12-06
1965	1965-04-17	1965-12-09
1966	1966-01-01	1966-12-30
1967	1967-01-21	1967-12-23
1968	1968-01-16	1968-11-10
1969	1969-05-02	1969-11-28
1970	1970-04-10	1970-11-11
1971	1971-06-14	1971-07-27
1972	1972-03-09	1972-11-13
1973	1973-04-02	1973-11-28
1974	1974-02-09	1974-11-28
1975	1975-04-05	1975-12-31
1976	1976-01-02	1976-10-17
1977	1977-02-24	1977-12-26
1978	1978-07-02	1978-12-31
1979	1979-02-08	1979-12-10
1980	1980-05-30	1980-11-25
1981	1981-01-02	1981-11-20
1982	1982-01-03	1982-12-26
1983	1983-04-02	1983-12-09
1984	1984-01-02	1984-11-23
1985	1985-01-29	1985-12-09
1986	1986-01-19	1986-12-19
1987	1987-01-04	1987-12-18
1988	1988-01-10	1988-12-23
1990	1990-03-19	1990-11-26
1991	1991-01-08	1991-12-23
1992	1992-01-18	1992-12-11
1993	1993-01-23	1993-12-25
1994	1994-01-18	1994-12-26
1995	1995-01-22	1995-10-31
1996	1996-02-18	1996-11-18
1997	1997-02-24	1997-12-13
1998	1998-02-11	1998-12-26
1999	1999-03-02	1999-12-24
2000	2000-03-07	2000-09-27
2001	2001-01-01	2001-12-28
2002	2002-02-20	2002-12-27
2003	2003-01-05	2003-12-14
2004	2004-01-11	2004-12-24
2005	2005-02-12	2005-12-29
2006	2006-01-20	2006-12-30
2007	2007-01-11	2007-12-02
2008	2008-03-17	2008-12-02
2009	2009-05-21	2009-12-19
2010	2010-01-29	2010-12-17
2011	2011-04-12	2011-12-08
2012	2012-01-01	2012-12-23
2013	2013-01-09	2013-11-09
2014	2014-01-09	2014-12-21
2015	2015-03-29	2015-12-26
2016	2016-02-09	2016-12-09
2017	2017-02-23	2017-11-27
2018	2018-04-04	2018-12-21
2019	2019-02-10	2019-12-11
2020	2020-01-09	2020-10-09
2021	2021-01-19	2021-12-01
2022	2022-02-16	2022-12-19
2023	2023-01-04	2023-12-31
2024	2024-01-01	2024-11-27
2025	2025-01-06	2025-11-20
2026	2026-01-13	2026-05-11

Every Fixed Threshold

Fixed thresholds at Trelleborg
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	81	25	2023	3
25 mm (0.98 in): Days with 25 mm or more rain	54	6	2007	1
50 mm (1.97 in): Days with 50 mm or more rain	5	1	1945	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

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Data for Trelleborg 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Trelleborg Threshold Days by Year (SWE00137492)

Key Facts for Trelleborg Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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