Karlsruhe Threshold Days by Year (GM000002698)

13 fixed thresholds counted per year at Karlsruhe (GM000002698): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Karlsruhe Thresholds

Karlsruhe: days with 10 mm (0.39 in) or more of precipitation in 132 years, most in 1882 with 50.
Karlsruhe: nights with a minimum temperature at or below 0 C (32 F) in 130 years, most in 1887 with 121.
Karlsruhe: days with a maximum temperature at or below 0 C (32 F) in 129 years, most in 1940 with 51.
Karlsruhe: days with a maximum temperature at or above 30 C (86 F) in 127 years, most in 2003 with 53.
13 fixed thresholds have at least one qualifying day at Karlsruhe.

Days at or above 30 C (86 F)

127 years with a qualifying day

Days per year at Karlsruhe with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 53 in 2003.

Days at or above 30 C (86 F) per year at Karlsruhe
Year	Days	Decade average
1876	15	8
1877	12	8
1878	1	8
1879	4	8
1880	8	5.9
1881	14	5.9
1882	3	5.9
1883	3	5.9
1884	8	5.9
1885	6	5.9
1886	5	5.9
1887	8	5.9
1888	2	5.9
1889	2	5.9
1890	1	5.5
1891	3	5.5
1892	12	5.5
1893	11	5.5
1894	6	5.5
1895	4	5.5
1896	1	5.5
1897	4	5.5
1898	7	5.5
1899	6	5.5
1900	12	6.4
1901	4	6.4
1902	8	6.4
1903	3	6.4
1904	10	6.4
1905	12	6.4
1906	8	6.4
1907	1	6.4
1908	4	6.4
1909	2	6.4
1910	1	6.6
1911	27	6.6
1912	4	6.6
1915	1	6.6
1917	3	6.6
1918	5	6.6
1919	5	6.6
1920	2	9.1
1921	18	9.1
1922	9	9.1
1923	18	9.1
1924	2	9.1
1925	5	9.1
1926	5	9.1
1927	6	9.1
1928	11	9.1
1929	15	9.1
1930	6	10.9
1931	7	10.9
1932	10	10.9
1933	8	10.9
1934	6	10.9
1935	20	10.9
1936	11	10.9
1937	23	10.9
1938	13	10.9
1939	5	10.9
1940	1	17
1941	14	17
1942	11	17
1943	15	17
1946	10	17
1947	44	17
1948	15	17
1949	26	17
1950	18	11.9
1951	8	11.9
1952	22	11.9
1953	15	11.9
1954	10	11.9
1955	5	11.9
1956	4	11.9
1957	10	11.9
1958	5	11.9
1959	22	11.9
1960	2	10.1
1961	13	10.1
1962	10	10.1
1963	9	10.1
1964	24	10.1
1965	3	10.1
1966	5	10.1
1967	16	10.1
1968	7	10.1
1969	12	10.1
1970	9	11.2
1971	18	11.2
1972	10	11.2
1973	16	11.2
1974	7	11.2
1975	14	11.2
1976	24	11.2
1977	3	11.2
1978	3	11.2
1979	8	11.2
1980	5	13.4
1981	7	13.4
1982	14	13.4
1983	31	13.4
1984	9	13.4
1985	9	13.4
1986	20	13.4
1987	9	13.4
1988	13	13.4
1989	17	13.4
1990	22	23.5
1991	32	23.5
1992	28	23.5
1993	19	23.5
1994	27	23.5
1995	26	23.5
1996	12	23.5
1997	23	23.5
1998	22	23.5
1999	24	23.5
2000	18	26.6
2001	26	26.6
2002	14	26.6
2003	53	26.6
2004	22	26.6
2005	31	26.6
2006	29	26.6
2007	20	26.6

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

First to last qualifying date each year at Karlsruhe
Year	First date	Last date
1876	1876-06-06	1876-08-17
1877	1877-06-03	1877-08-19
1878	1878-07-21	1878-07-21
1879	1879-06-28	1879-08-21
1880	1880-05-26	1880-07-29
1881	1881-06-21	1881-08-06
1882	1882-06-24	1882-08-13
1883	1883-06-30	1883-07-04
1884	1884-07-04	1884-08-11
1885	1885-05-29	1885-06-29
1886	1886-05-22	1886-08-10
1887	1887-06-25	1887-08-09
1888	1888-06-03	1888-06-04
1889	1889-07-11	1889-07-12
1890	1890-08-01	1890-08-01
1891	1891-06-29	1891-07-01
1892	1892-05-26	1892-08-24
1893	1893-06-19	1893-08-23
1894	1894-07-02	1894-07-25
1895	1895-07-26	1895-09-08
1896	1896-07-10	1896-07-10
1897	1897-06-24	1897-06-30
1898	1898-08-07	1898-08-22
1899	1899-06-06	1899-08-06
1900	1900-06-12	1900-07-29
1901	1901-05-31	1901-07-13
1902	1902-06-03	1902-08-19
1903	1903-06-29	1903-09-02
1904	1904-05-17	1904-08-04
1905	1905-06-29	1905-08-09
1906	1906-06-27	1906-08-23
1907	1907-08-05	1907-08-05
1908	1908-06-16	1908-07-28
1909	1909-06-02	1909-08-08
1910	1910-07-22	1910-07-22
1911	1911-07-08	1911-09-09
1912	1912-05-12	1912-07-13
1915	1915-06-08	1915-06-08
1917	1917-05-14	1917-08-23
1918	1918-07-16	1918-08-23
1919	1919-06-08	1919-09-11
1920	1920-07-17	1920-07-18
1921	1921-07-11	1921-08-10
1922	1922-05-22	1922-07-31
1923	1923-05-07	1923-09-13
1924	1924-07-13	1924-07-16
1925	1925-06-12	1925-08-10
1926	1926-07-14	1926-09-11
1927	1927-06-17	1927-08-08
1928	1928-06-23	1928-08-08
1929	1929-06-20	1929-09-05
1930	1930-07-01	1930-08-28
1931	1931-05-25	1931-07-12
1932	1932-08-12	1932-08-27
1933	1933-07-27	1933-08-12
1934	1934-06-18	1934-07-31
1935	1935-06-10	1935-09-01
1936	1936-06-17	1936-09-03
1937	1937-05-30	1937-09-08
1938	1938-06-01	1938-08-07
1939	1939-06-06	1939-07-30
1940	1940-05-26	1940-05-26
1941	1941-06-19	1941-07-25
1942	1942-07-05	1942-09-13
1943	1943-05-15	1943-09-13
1946	1946-06-08	1946-08-10
1947	1947-05-31	1947-09-20
1948	1948-06-08	1948-08-02
1949	1949-06-07	1949-09-06
1950	1950-06-05	1950-08-23
1951	1951-07-29	1951-08-30
1952	1952-06-29	1952-08-30
1953	1953-05-16	1953-09-02
1954	1954-06-19	1954-09-02
1955	1955-06-25	1955-08-23
1956	1956-05-28	1956-08-10
1957	1957-06-29	1957-07-08
1958	1958-07-13	1958-08-11
1959	1959-06-18	1959-08-26
1960	1960-06-23	1960-08-25
1961	1961-06-24	1961-09-18
1962	1962-06-23	1962-09-03
1963	1963-07-21	1963-08-06
1964	1964-06-11	1964-09-15
1965	1965-06-25	1965-07-13
1966	1966-06-10	1966-08-13
1967	1967-05-28	1967-08-16
1968	1968-04-21	1968-07-10
1969	1969-05-13	1969-08-09
1970	1970-06-22	1970-08-07
1971	1971-05-20	1971-08-19
1972	1972-06-27	1972-08-14
1973	1973-06-27	1973-09-09
1974	1974-07-30	1974-08-17
1975	1975-06-13	1975-08-21
1976	1976-05-08	1976-07-18
1977	1977-06-13	1977-07-12
1978	1978-06-06	1978-07-30
1979	1979-05-30	1979-08-14
1980	1980-07-25	1980-08-03
1981	1981-06-02	1981-08-06
1982	1982-06-01	1982-09-05
1983	1983-07-05	1983-08-31
1984	1984-07-09	1984-09-02
1985	1985-06-04	1985-09-19
1986	1986-06-15	1986-08-11
1987	1987-06-29	1987-09-21
1988	1988-07-11	1988-08-19
1989	1989-06-19	1989-09-18
1990	1990-06-26	1990-08-30
1991	1991-07-01	1991-09-10
1992	1992-05-14	1992-08-28
1993	1993-05-25	1993-08-22
1994	1994-06-24	1994-08-22
1995	1995-06-20	1995-08-23
1996	1996-05-31	1996-08-20
1997	1997-06-07	1997-09-01
1998	1998-05-10	1998-08-18
1999	1999-05-27	1999-09-14
2000	2000-05-10	2000-08-26
2001	2001-06-25	2001-08-27
2002	2002-05-17	2002-08-19
2003	2003-05-30	2003-09-22
2004	2004-06-08	2004-08-18
2005	2005-05-01	2005-09-08
2006	2006-06-12	2006-07-30
2007	2007-05-21	2007-08-26

Every Fixed Threshold

Fixed thresholds at Karlsruhe
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	127	53	2003	20
35 C (95 F): Days	35	16	2003	2
40 C (104 F): Days	1	2	2003	2
90 F (32.2 C): Days	96	31	1947	5
100 F (37.8 C): Days	7	6	2003	6
0 C (32 F): Ice days (max	129	51	1940	7
0 C (32 F): Frost days (min	130	121	1887	38
-10 C (14 F): Days with min	106	33	1963	1
-20 C (-4 F): Days with min	11	4	1895	1
20 C (68 F): Tropical nights (min	58	7	1992	2
10 mm (0.39 in): Days with 10 mm or more rain	132	50	1882	23
25 mm (0.98 in): Days with 25 mm or more rain	119	16	1885	6
50 mm (1.97 in): Days with 50 mm or more rain	27	5	1877	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 Karlsruhe 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Karlsruhe Threshold Days by Year (GM000002698)

Key Facts for Karlsruhe Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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