Brilon Threshold Days by Year (GME00131854)

11 fixed thresholds counted per year at Brilon (GME00131854): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Brilon Thresholds

Brilon: days with a maximum temperature at or below 0 C (32 F) in 65 years, most in 1963 with 63.
Brilon: nights with a minimum temperature at or below 0 C (32 F) in 65 years, most in 1979 with 131.
Brilon: days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 1961 with 54.
Brilon: days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1938 with 11.
11 fixed thresholds have at least one qualifying day at Brilon.

Days at or above 30 C (86 F)

37 years with a qualifying day

Days per year at Brilon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 19 in 1947.

Days at or above 30 C (86 F) per year at Brilon
Year	Days	Decade average
1937	3	2.7
1938	3	2.7
1939	2	2.7
1941	7	5.8
1942	1	5.8
1943	6	5.8
1944	5	5.8
1946	2	5.8
1947	19	5.8
1948	5	5.8
1949	1	5.8
1952	2	3.7
1957	6	3.7
1959	3	3.7
1963	1	2.3
1964	4	2.3
1966	1	2.3
1969	3	2.3
1971	2	1.5
1972	1	1.5
1973	2	1.5
1974	1	1.5
1983	3	1.7
1984	1	1.7
1986	1	1.7
1990	3	3.5
1992	3	3.5
1994	11	3.5
1995	4	3.5
1996	1	3.5
1997	1	3.5
1998	4	3.5
1999	1	3.5
2000	2	4.3
2001	2	4.3
2002	2	4.3
2003	11	4.3

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

First to last qualifying date each year at Brilon
Year	First date	Last date
1937	1937-06-07	1937-08-08
1938	1938-08-03	1938-08-05
1939	1939-06-07	1939-07-30
1941	1941-06-24	1941-07-12
1942	1942-08-29	1942-08-29
1943	1943-07-31	1943-08-21
1944	1944-05-30	1944-08-24
1946	1946-07-03	1946-07-04
1947	1947-06-04	1947-09-20
1948	1948-06-11	1948-08-01
1949	1949-07-13	1949-07-13
1952	1952-07-02	1952-08-12
1957	1957-06-30	1957-07-07
1959	1959-07-09	1959-07-11
1963	1963-08-03	1963-08-03
1964	1964-07-15	1964-08-28
1966	1966-08-13	1966-08-13
1969	1969-07-23	1969-07-29
1971	1971-08-03	1971-08-19
1972	1972-07-20	1972-07-20
1973	1973-06-27	1973-09-05
1974	1974-08-16	1974-08-16
1983	1983-07-17	1983-07-31
1984	1984-07-11	1984-07-11
1986	1986-08-03	1986-08-03
1990	1990-08-03	1990-08-12
1992	1992-07-21	1992-08-09
1994	1994-07-03	1994-08-05
1995	1995-07-09	1995-08-12
1996	1996-06-07	1996-06-07
1997	1997-08-25	1997-08-25
1998	1998-06-21	1998-08-12
1999	1999-07-03	1999-07-03
2000	2000-06-19	2000-06-20
2001	2001-08-15	2001-08-26
2002	2002-06-17	2002-06-18
2003	2003-07-16	2003-08-12

Every Fixed Threshold

Fixed thresholds at Brilon
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	37	19	1947	11
35 C (95 F): Days	1	1	2003	1
90 F (32.2 C): Days	10	4	2003	4
0 C (32 F): Ice days (max	65	63	1963	22
0 C (32 F): Frost days (min	65	131	1979	94
-10 C (14 F): Days with min	59	49	1963	11
-20 C (-4 F): Days with min	6	6	1963	1
20 C (68 F): Tropical nights (min	11	4	2003	4
10 mm (0.39 in): Days with 10 mm or more rain	65	54	1961	26
25 mm (0.98 in): Days with 25 mm or more rain	64	11	1938	2
50 mm (1.97 in): Days with 50 mm or more rain	16	2	1947	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.

Download the Data

Data for Brilon 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).

Brilon Threshold Days by Year (GME00131854)

Key Facts for Brilon Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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