Berlin-Dahlem Threshold Days by Year (GM000003319)

13 fixed thresholds counted per year at Berlin-Dahlem (GM000003319): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Berlin-Dahlem Thresholds

Berlin-Dahlem: nights with a minimum temperature at or below 0 C (32 F) in 150 years, most in 1924 with 124.
Berlin-Dahlem: days with 10 mm (0.39 in) or more of precipitation in 150 years, most in 2023 with 25.
Berlin-Dahlem: days with a maximum temperature at or above 30 C (86 F) in 148 years, most in 2018 with 28.
Berlin-Dahlem: days with a maximum temperature at or below 0 C (32 F) in 148 years, most in 2010 with 62.
13 fixed thresholds have at least one qualifying day at Berlin-Dahlem.

Days at or above 30 C (86 F)

148 years with a qualifying day

Days per year at Berlin-Dahlem with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 28 in 2018.

Days at or above 30 C (86 F) per year at Berlin-Dahlem
Year	Days	Decade average
1876	3	2.3
1877	3	2.3
1879	1	2.3
1880	7	7.5
1881	9	7.5
1882	3	7.5
1883	8	7.5
1884	6	7.5
1885	13	7.5
1886	8	7.5
1887	6	7.5
1888	5	7.5
1889	10	7.5
1890	4	6.7
1891	3	6.7
1892	12	6.7
1893	9	6.7
1894	6	6.7
1895	13	6.7
1896	7	6.7
1897	6	6.7
1898	4	6.7
1899	3	6.7
1900	8	5.4
1901	4	5.4
1902	7	5.4
1903	2	5.4
1904	8	5.4
1905	8	5.4
1906	7	5.4
1907	3	5.4
1908	6	5.4
1909	1	5.4
1910	4	6.2
1911	16	6.2
1912	2	6.2
1913	1	6.2
1914	6	6.2
1915	5	6.2
1917	9	6.2
1918	2	6.2
1919	11	6.2
1920	5	5.5
1921	12	5.5
1922	5	5.5
1923	7	5.5
1924	2	5.5
1925	5	5.5
1926	1	5.5
1927	2	5.5
1928	7	5.5
1929	9	5.5
1930	9	6.5
1931	6	6.5
1932	13	6.5
1933	3	6.5
1934	5	6.5
1935	9	6.5
1936	2	6.5
1937	7	6.5
1938	6	6.5
1939	5	6.5
1940	3	10.3
1941	8	10.3
1942	10	10.3
1943	9	10.3
1944	18	10.3
1946	7	10.3
1947	19	10.3
1948	11	10.3
1949	8	10.3
1950	8	5.9
1951	6	5.9
1952	3	5.9
1953	15	5.9
1954	6	5.9
1955	3	5.9
1956	1	5.9
1957	8	5.9
1958	3	5.9
1959	6	5.9
1960	3	5.2
1961	5	5.2
1962	2	5.2
1963	9	5.2
1964	9	5.2
1965	1	5.2
1966	3	5.2
1967	2	5.2
1968	8	5.2
1969	10	5.2
1970	2	6.2
1971	11	6.2
1972	9	6.2
1973	7	6.2
1974	4	6.2
1975	9	6.2
1976	8	6.2
1977	3	6.2
1978	4	6.2
1979	5	6.2
1980	2	5.2
1981	3	5.2
1982	7	5.2
1983	11	5.2
1984	4	5.2
1985	4	5.2
1986	9	5.2
1987	1	5.2
1988	1	5.2
1989	10	5.2
1990	6	9.8
1991	7	9.8
1992	15	9.8
1993	2	9.8
1994	19	9.8
1995	18	9.8
1996	4	9.8
1997	10	9.8
1998	6	9.8
1999	11	9.8
2000	9	10.9
2001	9	10.9
2002	7	10.9
2003	20	10.9
2004	5	10.9
2005	7	10.9
2006	21	10.9
2007	10	10.9
2008	15	10.9
2009	6	10.9
2010	13	13.8
2011	5	13.8
2012	11	13.8
2013	9	13.8
2014	13	13.8
2015	21	13.8
2016	9	13.8
2017	5	13.8
2018	28	13.8
2019	24	13.8
2020	17	14.3
2021	10	14.3
2022	19	14.3
2023	12	14.3
2024	18	14.3
2025	9	14.3
2026	15	14.3

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

First to last qualifying date each year at Berlin-Dahlem
Year	First date	Last date
1876	1876-07-07	1876-08-21
1877	1877-06-05	1877-07-24
1879	1879-08-04	1879-08-04
1880	1880-05-27	1880-09-05
1881	1881-06-22	1881-08-09
1882	1882-07-15	1882-07-20
1883	1883-05-16	1883-07-04
1884	1884-07-03	1884-07-16
1885	1885-05-29	1885-07-13
1886	1886-05-21	1886-09-03
1887	1887-07-04	1887-07-31
1888	1888-05-18	1888-06-26
1889	1889-06-01	1889-07-10
1890	1890-07-15	1890-08-19
1891	1891-06-26	1891-06-30
1892	1892-05-26	1892-08-25
1893	1893-06-19	1893-08-21
1894	1894-06-30	1894-07-24
1895	1895-05-31	1895-09-04
1896	1896-06-03	1896-07-22
1897	1897-06-05	1897-06-30
1898	1898-08-15	1898-08-23
1899	1899-07-12	1899-08-05
1900	1900-07-14	1900-08-19
1901	1901-06-01	1901-07-22
1902	1902-05-30	1902-06-30
1903	1903-07-03	1903-09-03
1904	1904-06-15	1904-08-05
1905	1905-05-31	1905-08-04
1906	1906-06-27	1906-08-03
1907	1907-05-12	1907-06-28
1908	1908-06-01	1908-07-28
1909	1909-06-02	1909-06-02
1910	1910-06-05	1910-06-12
1911	1911-07-22	1911-09-03
1912	1912-07-12	1912-07-28
1913	1913-05-31	1913-05-31
1914	1914-07-03	1914-08-11
1915	1915-06-09	1915-07-23
1917	1917-06-17	1917-08-09
1918	1918-08-22	1918-08-23
1919	1919-06-09	1919-09-14
1920	1920-07-03	1920-07-22
1921	1921-06-03	1921-08-11
1922	1922-05-23	1922-07-06
1923	1923-05-06	1923-07-15
1924	1924-06-20	1924-07-13
1925	1925-07-19	1925-08-10
1926	1926-07-19	1926-07-19
1927	1927-06-01	1927-08-08
1928	1928-07-12	1928-09-09
1929	1929-07-19	1929-09-05
1930	1930-06-12	1930-08-27
1931	1931-05-26	1931-08-05
1932	1932-05-21	1932-08-27
1933	1933-07-09	1933-07-28
1934	1934-06-18	1934-08-22
1935	1935-06-11	1935-09-02
1936	1936-06-29	1936-07-18
1937	1937-05-21	1937-07-04
1938	1938-06-09	1938-08-06
1939	1939-06-07	1939-08-23
1940	1940-06-24	1940-07-11
1941	1941-06-24	1941-07-15
1942	1942-06-07	1942-08-31
1943	1943-07-27	1943-08-22
1944	1944-05-29	1944-08-28
1946	1946-07-03	1946-07-27
1947	1947-05-31	1947-09-20
1948	1948-06-09	1948-09-11
1949	1949-07-13	1949-09-07
1950	1950-05-21	1950-08-24
1951	1951-07-11	1951-09-13
1952	1952-07-02	1952-08-13
1953	1953-05-19	1953-09-02
1954	1954-06-19	1954-09-02
1955	1955-04-30	1955-07-18
1956	1956-05-31	1956-05-31
1957	1957-06-11	1957-07-07
1958	1958-05-25	1958-07-16
1959	1959-06-07	1959-07-12
1960	1960-07-31	1960-08-27
1961	1961-06-26	1961-09-02
1962	1962-06-15	1962-06-19
1963	1963-06-28	1963-08-07
1964	1964-06-13	1964-08-28
1965	1965-07-14	1965-07-14
1966	1966-06-16	1966-08-13
1967	1967-07-14	1967-08-02
1968	1968-04-22	1968-07-06
1969	1969-05-14	1969-08-03
1970	1970-06-28	1970-07-08
1971	1971-05-17	1971-08-20
1972	1972-06-06	1972-07-23
1973	1973-06-27	1973-09-05
1974	1974-08-04	1974-08-17
1975	1975-07-08	1975-08-15
1976	1976-06-26	1976-07-19
1977	1977-06-10	1977-06-14
1978	1978-07-29	1978-08-01
1979	1979-05-31	1979-06-05
1980	1980-06-14	1980-08-03
1981	1981-06-02	1981-08-07
1982	1982-06-02	1982-08-05
1983	1983-06-24	1983-08-01
1984	1984-07-10	1984-08-04
1985	1985-05-14	1985-08-14
1986	1986-06-17	1986-08-04
1987	1987-06-30	1987-06-30
1988	1988-07-23	1988-07-23
1989	1989-06-26	1989-08-21
1990	1990-07-28	1990-08-30
1991	1991-07-07	1991-08-07
1992	1992-06-04	1992-08-29
1993	1993-05-20	1993-06-10
1994	1994-06-28	1994-08-05
1995	1995-07-08	1995-08-23
1996	1996-05-31	1996-06-11
1997	1997-06-29	1997-08-26
1998	1998-06-06	1998-08-11
1999	1999-05-28	1999-09-10
2000	2000-05-16	2000-08-14
2001	2001-07-05	2001-08-26
2002	2002-06-18	2002-08-01
2003	2003-05-05	2003-08-18
2004	2004-08-05	2004-08-12
2005	2005-05-02	2005-07-15
2006	2006-06-13	2006-07-28
2007	2007-05-21	2007-08-09
2008	2008-05-31	2008-08-07
2009	2009-07-17	2009-09-01
2010	2010-06-29	2010-07-22
2011	2011-05-30	2011-08-26
2012	2012-04-28	2012-08-20
2013	2013-06-19	2013-08-06
2014	2014-05-22	2014-07-29
2015	2015-06-06	2015-08-31
2016	2016-06-23	2016-09-13
2017	2017-05-19	2017-07-30
2018	2018-05-28	2018-09-21
2019	2019-06-02	2019-08-31
2020	2020-06-13	2020-09-15
2021	2021-06-17	2021-07-25
2022	2022-06-18	2022-08-18
2023	2023-06-08	2023-09-11
2024	2024-06-26	2024-09-08
2025	2025-06-15	2025-08-15
2026	2026-06-19	2026-08-15

Every Fixed Threshold

Fixed thresholds at Berlin-Dahlem
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	148	28	2018	15
35 C (95 F): Days	33	6	2022	3
90 F (32.2 C): Days	108	13	1947	7
100 F (37.8 C): Days	3	1	1959	1
0 C (32 F): Ice days (max	148	62	2010	23
0 C (32 F): Frost days (min	150	124	1924	64
-10 C (14 F): Days with min	128	46	1940	3
-20 C (-4 F): Days with min	11	7	1929	1
20 C (68 F): Tropical nights (min	50	5	2018	1
10 mm (0.39 in): Days with 10 mm or more rain	150	25	2023	7
25 mm (0.98 in): Days with 25 mm or more rain	113	6	2007	2
50 mm (1.97 in): Days with 50 mm or more rain	19	2	1930	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1948	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1876.

Download the Data

Data for Berlin-Dahlem 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 2026-10-14. Last revised 14 October 2026 (2026-10-14).

Berlin-Dahlem Threshold Days by Year (GM000003319)

Key Facts for Berlin-Dahlem Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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