Ft Collins Threshold Days by Year

18 fixed thresholds counted per year at Ft Collins (USC00053005): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ft Collins Thresholds

Ft Collins: days with a maximum temperature at or above 30 C (86 F) in 132 years, most in 2012 with 81.
Ft Collins: days with a maximum temperature at or above 90 F (32.2 C) in 132 years, most in 2012 with 57.
Ft Collins: days with a maximum temperature at or below 0 C (32 F) in 132 years, most in 1937 with 45.
Ft Collins: nights with a minimum temperature at or below 0 C (32 F) in 132 years, most in 1912 with 207.
18 fixed thresholds have at least one qualifying day at Ft Collins.

Days at or above 30 C (86 F)

132 years with a qualifying day

Days per year at Ft Collins with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 81 in 2012.

Days at or above 30 C (86 F) per year at Ft Collins
Year	Days	Decade average
1895	46	45.4
1896	42	45.4
1897	34	45.4
1898	61	45.4
1899	44	45.4
1900	53	37.5
1901	51	37.5
1902	43	37.5
1903	41	37.5
1904	25	37.5
1905	32	37.5
1906	24	37.5
1907	31	37.5
1908	31	37.5
1909	44	37.5
1910	43	29.1
1911	27	29.1
1912	12	29.1
1913	34	29.1
1914	29	29.1
1915	8	29.1
1916	31	29.1
1917	35	29.1
1918	26	29.1
1919	46	29.1
1920	26	31.2
1921	27	31.2
1922	56	31.2
1923	16	31.2
1924	44	31.2
1925	35	31.2
1926	27	31.2
1927	17	31.2
1928	29	31.2
1929	35	31.2
1930	35	46.4
1931	49	46.4
1932	39	46.4
1933	43	46.4
1934	54	46.4
1935	43	46.4
1936	57	46.4
1937	54	46.4
1938	31	46.4
1939	59	46.4
1940	58	43.8
1941	35	43.8
1942	30	43.8
1943	51	43.8
1944	46	43.8
1945	32	43.8
1946	44	43.8
1947	42	43.8
1948	59	43.8
1949	41	43.8
1950	24	47.6
1951	31	47.6
1952	56	47.6
1953	45	47.6
1954	64	47.6
1955	58	47.6
1956	58	47.6
1957	42	47.6
1958	42	47.6
1959	56	47.6
1960	62	38.4
1961	32	38.4
1962	31	38.4
1963	40	38.4
1964	51	38.4
1965	25	38.4
1966	45	38.4
1967	27	38.4
1968	31	38.4
1969	40	38.4
1970	37	42.5
1971	39	42.5
1972	36	42.5
1973	39	42.5
1974	41	42.5
1975	39	42.5
1976	42	42.5
1977	46	42.5
1978	59	42.5
1979	47	42.5
1980	62	46
1981	45	46
1982	37	46
1983	56	46
1984	47	46
1985	45	46
1986	33	46
1987	42	46
1988	52	46
1989	41	46
1990	43	39.2
1991	34	39.2
1992	24	39.2
1993	27	39.2
1994	51	39.2
1995	48	39.2
1996	42	39.2
1997	35	39.2
1998	53	39.2
1999	35	39.2
2000	77	58.9
2001	65	58.9
2002	72	58.9
2003	61	58.9
2004	35	58.9
2005	69	58.9
2006	59	58.9
2007	67	58.9
2008	48	58.9
2009	36	58.9
2010	62	63.4
2011	65	63.4
2012	81	63.4
2013	62	63.4
2014	45	63.4
2015	63	63.4
2016	67	63.4
2017	59	63.4
2018	69	63.4
2019	61	63.4
2020	75	73.3
2021	81	73.3
2022	76	73.3
2023	44	73.3
2024	79	73.3
2025	68	73.3
2026	90	73.3

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

First to last qualifying date each year at Ft Collins
Year	First date	Last date
1895	1895-05-08	1895-09-19
1896	1896-05-05	1896-09-15
1897	1897-06-15	1897-09-08
1898	1898-04-26	1898-10-01
1899	1899-06-11	1899-10-01
1900	1900-06-06	1900-09-08
1901	1901-06-07	1901-09-02
1902	1902-05-31	1902-09-14
1903	1903-06-27	1903-09-03
1904	1904-06-28	1904-09-09
1905	1905-06-22	1905-09-23
1906	1906-06-16	1906-09-09
1907	1907-06-12	1907-09-12
1908	1908-05-19	1908-09-08
1909	1909-06-04	1909-08-27
1910	1910-04-28	1910-09-16
1911	1911-06-07	1911-09-13
1912	1912-06-28	1912-08-29
1913	1913-06-16	1913-08-27
1914	1914-06-13	1914-09-20
1915	1915-07-11	1915-09-22
1916	1916-05-09	1916-09-04
1917	1917-06-10	1917-09-03
1918	1918-06-09	1918-08-27
1919	1919-06-12	1919-09-05
1920	1920-06-07	1920-09-19
1921	1921-06-25	1921-09-28
1922	1922-06-06	1922-10-04
1923	1923-06-24	1923-09-09
1924	1924-06-11	1924-09-05
1925	1925-05-19	1925-09-16
1926	1926-05-23	1926-10-17
1927	1927-05-16	1927-07-19
1928	1928-05-01	1928-09-19
1929	1929-06-16	1929-09-18
1930	1930-05-21	1930-08-23
1931	1931-05-26	1931-09-13
1932	1932-05-22	1932-09-18
1933	1933-05-31	1933-09-29
1934	1934-05-18	1934-09-18
1935	1935-06-09	1935-09-19
1936	1936-05-05	1936-09-14
1937	1937-05-14	1937-09-21
1938	1938-05-28	1938-09-20
1939	1939-05-19	1939-09-22
1940	1940-05-11	1940-09-08
1941	1941-05-13	1941-09-03
1942	1942-05-26	1942-09-10
1943	1943-05-28	1943-09-13
1944	1944-06-20	1944-09-14
1945	1945-06-13	1945-09-06
1946	1946-06-04	1946-09-05
1947	1947-06-08	1947-09-18
1948	1948-05-18	1948-09-25
1949	1949-06-16	1949-09-24
1950	1950-06-06	1950-09-02
1951	1951-05-28	1951-09-11
1952	1952-06-06	1952-09-27
1953	1953-06-09	1953-10-01
1954	1954-05-20	1954-09-16
1955	1955-06-27	1955-09-16
1956	1956-06-02	1956-09-20
1957	1957-06-05	1957-09-30
1958	1958-05-28	1958-09-23
1959	1959-06-06	1959-09-14
1960	1960-06-03	1960-09-12
1961	1961-05-10	1961-08-29
1962	1962-05-09	1962-09-15
1963	1963-06-13	1963-08-20
1964	1964-05-16	1964-09-25
1965	1965-06-22	1965-08-26
1966	1966-05-21	1966-09-24
1967	1967-05-24	1967-10-03
1968	1968-06-03	1968-08-26
1969	1969-05-25	1969-09-06
1970	1970-05-17	1970-09-11
1971	1971-06-16	1971-09-13
1972	1972-06-01	1972-09-27
1973	1973-06-07	1973-08-27
1974	1974-05-27	1974-09-10
1975	1975-06-24	1975-09-06
1976	1976-05-14	1976-09-06
1977	1977-06-01	1977-09-08
1978	1978-05-14	1978-09-10
1979	1979-06-05	1979-09-10
1980	1980-06-04	1980-09-30
1981	1981-06-07	1981-09-28
1982	1982-06-28	1982-09-09
1983	1983-05-27	1983-09-17
1984	1984-05-20	1984-09-19
1985	1985-06-06	1985-09-16
1986	1986-06-06	1986-08-29
1987	1987-06-05	1987-09-03
1988	1988-05-13	1988-09-10
1989	1989-04-21	1989-09-05
1990	1990-06-04	1990-09-15
1991	1991-06-12	1991-10-16
1992	1992-04-30	1992-09-23
1993	1993-06-12	1993-09-12
1994	1994-05-30	1994-09-29
1995	1995-06-13	1995-09-15
1996	1996-05-14	1996-09-10
1997	1997-06-19	1997-09-08
1998	1998-06-01	1998-09-25
1999	1999-06-08	1999-08-31
2000	2000-05-04	2000-10-01
2001	2001-05-13	2001-09-27
2002	2002-05-29	2002-09-07
2003	2003-05-27	2003-10-17
2004	2004-05-05	2004-09-18
2005	2005-05-20	2005-10-02
2006	2006-05-18	2006-09-15
2007	2007-05-13	2007-09-22
2008	2008-06-10	2008-08-31
2009	2009-05-18	2009-09-26
2010	2010-05-22	2010-09-28
2011	2011-06-02	2011-10-02
2012	2012-04-24	2012-09-16
2013	2013-05-13	2013-09-08
2014	2014-05-27	2014-09-26
2015	2015-06-02	2015-10-11
2016	2016-06-09	2016-09-20
2017	2017-05-06	2017-09-21
2018	2018-05-25	2018-09-23
2019	2019-06-07	2019-09-29
2020	2020-05-19	2020-09-24
2021	2021-05-01	2021-09-27
2022	2022-04-22	2022-09-20
2023	2023-04-11	2023-09-09
2024	2024-06-03	2024-10-10
2025	2025-04-12	2025-09-26
2026	2026-03-19	2026-10-09

Every Fixed Threshold

Fixed thresholds at Ft Collins
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	132	81	2012	90
35 C (95 F): Days	103	19	2002	19
90 F (32.2 C): Days	132	57	2012	56
100 F (37.8 C): Days	20	5	1954	4
0 C (32 F): Ice days (max	132	45	1937	3
0 C (32 F): Frost days (min	132	207	1912	72
-10 C (14 F): Days with min	132	79	1913	9
-20 C (-4 F): Days with min	121	22	1899	1
-30 C (-22 F): Days with min	34	7	1899	1
-40 C (-40 F): Days with min	1	1	1951	1
20 C (68 F): Tropical nights (min	26	4	2022	3
10 mm (0.39 in): Days with 10 mm or more rain	130	20	1923	5
25 mm (0.98 in): Days with 25 mm or more rain	112	7	1923	3
50 mm (1.97 in): Days with 50 mm or more rain	38	3	1997	2
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1902	1
10 cm (3.9 in): Days with 10 cm or more snowfall	119	7	1906	2
25 cm (9.8 in): Days with 25 cm or more snowfall	39	3	1988	1
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1957	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

Data for Ft Collins 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Ft Collins Threshold Days by Year

Key Facts for Ft Collins Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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