Kastamonu Threshold Days by Year (TU000017074)

12 fixed thresholds counted per year at Kastamonu (TU000017074): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kastamonu Thresholds

Kastamonu: days with a maximum temperature at or above 30 C (86 F) in 79 years, most in 2007 with 69.
Kastamonu: days with a maximum temperature at or above 90 F (32.2 C) in 78 years, most in 2007 with 42.
Kastamonu: days with a maximum temperature at or below 0 C (32 F) in 78 years, most in 1992 with 39.
Kastamonu: nights with a minimum temperature at or below 0 C (32 F) in 75 years, most in 1956 with 131.
12 fixed thresholds have at least one qualifying day at Kastamonu.

Days at or above 30 C (86 F)

79 years with a qualifying day

Days per year at Kastamonu with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 69 in 2007.

Days at or above 30 C (86 F) per year at Kastamonu
Year	Days	Decade average
1930	26	27.6
1931	41	27.6
1932	23	27.6
1933	15	27.6
1934	37	27.6
1935	30	27.6
1936	18	27.6
1937	39	27.6
1938	39	27.6
1939	8	27.6
1940	14	20.5
1941	22	20.5
1942	32	20.5
1943	24	20.5
1944	12	20.5
1945	34	20.5
1946	17	20.5
1947	16	20.5
1948	23	20.5
1949	11	20.5
1950	15	23.7
1951	24	23.7
1952	27	23.7
1953	11	23.7
1954	34	23.7
1955	10	23.7
1956	26	23.7
1957	44	23.7
1958	33	23.7
1959	13	23.7
1960	17	19.8
1961	20	19.8
1962	40	19.8
1963	16	19.8
1964	10	19.8
1965	18	19.8
1966	26	19.8
1967	3	19.8
1968	21	19.8
1969	27	19.8
1970	19	16.6
1971	14	16.6
1972	19	16.6
1973	10	16.6
1974	11	16.6
1975	27	16.6
1976	11	16.6
1977	17	16.6
1978	17	16.6
1979	21	16.6
1980	31	20.5
1981	33	20.5
1982	5	20.5
1983	6	20.5
1984	11	20.5
1985	23	20.5
1986	34	20.5
1987	19	20.5
1988	18	20.5
1989	25	20.5
1990	18	26.9
1991	18	26.9
1992	21	26.9
1993	27	26.9
1994	42	26.9
1995	15	26.9
1996	28	26.9
1997	18	26.9
1998	45	26.9
1999	37	26.9
2000	39	45
2001	57	45
2002	37	45
2003	27	45
2006	41	45
2007	69	45
2012	45	45
2022	39	20
2025	1	20

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

First to last qualifying date each year at Kastamonu
Year	First date	Last date
1930	1930-06-29	1930-09-17
1931	1931-05-18	1931-09-19
1932	1932-05-30	1932-10-12
1933	1933-06-24	1933-08-30
1934	1934-06-06	1934-09-07
1935	1935-05-25	1935-09-24
1936	1936-07-04	1936-08-21
1937	1937-07-01	1937-09-26
1938	1938-06-15	1938-09-06
1939	1939-07-05	1939-08-18
1940	1940-07-10	1940-08-23
1941	1941-05-30	1941-09-15
1942	1942-05-16	1942-08-17
1943	1943-07-08	1943-10-01
1944	1944-07-05	1944-09-06
1945	1945-05-23	1945-09-27
1946	1946-07-09	1946-09-12
1947	1947-06-07	1947-08-27
1948	1948-06-21	1948-08-28
1949	1949-06-04	1949-08-19
1950	1950-06-15	1950-09-23
1951	1951-06-07	1951-09-09
1952	1952-04-03	1952-10-03
1953	1953-07-20	1953-08-30
1954	1954-06-20	1954-09-24
1955	1955-06-10	1955-09-17
1956	1956-06-20	1956-09-06
1957	1957-04-16	1957-09-16
1958	1958-05-13	1958-08-27
1959	1959-07-01	1959-08-29
1960	1960-05-25	1960-09-07
1961	1961-07-14	1961-09-09
1962	1962-05-15	1962-09-09
1963	1963-06-30	1963-09-10
1964	1964-07-12	1964-08-10
1965	1965-06-05	1965-09-13
1966	1966-06-03	1966-08-27
1967	1967-08-09	1967-08-15
1968	1968-06-25	1968-09-20
1969	1969-05-21	1969-09-05
1970	1970-05-12	1970-08-25
1971	1971-06-12	1971-09-19
1972	1972-06-18	1972-09-18
1973	1973-05-10	1973-07-26
1974	1974-06-28	1974-08-12
1975	1975-06-02	1975-09-01
1976	1976-07-06	1976-09-05
1977	1977-07-06	1977-09-22
1978	1978-06-13	1978-09-01
1979	1979-06-18	1979-09-26
1980	1980-05-30	1980-09-02
1981	1981-06-08	1981-10-01
1982	1982-06-28	1982-08-23
1983	1983-06-30	1983-09-20
1984	1984-06-08	1984-09-26
1985	1985-06-09	1985-09-23
1986	1986-07-03	1986-09-19
1987	1987-06-17	1987-09-28
1988	1988-07-03	1988-09-18
1989	1989-05-14	1989-09-05
1990	1990-05-26	1990-09-08
1991	1991-06-18	1991-08-14
1992	1992-06-12	1992-10-07
1993	1993-05-29	1993-09-16
1994	1994-05-19	1994-10-09
1995	1995-05-23	1995-09-15
1996	1996-06-24	1996-08-17
1997	1997-05-08	1997-08-30
1998	1998-04-11	1998-09-15
1999	1999-06-17	1999-10-03
2000	2000-06-16	2000-09-22
2001	2001-06-01	2001-09-25
2002	2002-05-26	2002-09-25
2003	2003-05-03	2003-10-06
2006	2006-05-25	2006-08-31
2007	2007-05-07	2007-09-28
2012	2012-06-05	2012-09-28
2022	2022-04-25	2022-09-18
2025	2025-07-22	2025-07-22

Every Fixed Threshold

Fixed thresholds at Kastamonu
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	79	69	2007	1
35 C (95 F): Days	50	17	2007	7
40 C (104 F): Days	3	1	2000	1
90 F (32.2 C): Days	78	42	2007	1
100 F (37.8 C): Days	9	4	2006	4
0 C (32 F): Ice days (max	78	39	1992	8
0 C (32 F): Frost days (min	75	131	1956	43
-10 C (14 F): Days with min	1	0	n/a	3
20 C (68 F): Tropical nights (min	3	3	2001	3
10 mm (0.39 in): Days with 10 mm or more rain	5	14	2012	5
25 mm (0.98 in): Days with 25 mm or more rain	2	0	n/a	1
50 mm (1.97 in): Days with 50 mm or more rain	2	0	n/a	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1930.

Download the Data

Data for Kastamonu 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).

Kastamonu Threshold Days by Year (TU000017074)

Key Facts for Kastamonu Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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