Montpelier Threshold Days by Year (USC00335438)

18 fixed thresholds counted per year at Montpelier (USC00335438): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Montpelier Thresholds

Montpelier: days with a maximum temperature at or above 30 C (86 F) in 107 years, most in 1959 with 78.
Montpelier: days with a maximum temperature at or below 0 C (32 F) in 107 years, most in 1978 with 71.
Montpelier: nights with a minimum temperature at or below 0 C (32 F) in 107 years, most in 1978 with 176.
Montpelier: nights with a minimum temperature at or below -10 C (14 F) in 107 years, most in 1978 with 72.
18 fixed thresholds have at least one qualifying day at Montpelier.

Days at or above 30 C (86 F)

107 years with a qualifying day

Days per year at Montpelier with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 78 in 1959.

Days at or above 30 C (86 F) per year at Montpelier
Year	Days	Decade average
1894	55	47.8
1895	63	47.8
1896	38	47.8
1897	48	47.8
1898	39	47.8
1899	44	47.8
1900	44	32.8
1901	44	32.8
1902	21	32.8
1903	20	32.8
1904	15	32.8
1905	24	32.8
1908	59	32.8
1909	35	32.8
1910	49	46.3
1911	57	46.3
1912	36	46.3
1913	62	46.3
1914	50	46.3
1915	15	46.3
1916	56	46.3
1917	23	46.3
1918	46	46.3
1919	69	46.3
1920	38	38
1932	44	54.3
1933	58	54.3
1934	74	54.3
1937	45	54.3
1938	49	54.3
1939	56	54.3
1940	45	57.1
1941	68	57.1
1942	34	57.1
1943	58	57.1
1944	70	57.1
1945	47	57.1
1946	58	57.1
1947	60	57.1
1948	66	57.1
1949	65	57.1
1950	37	54.1
1951	34	54.1
1952	70	54.1
1953	74	54.1
1954	49	54.1
1955	72	54.1
1956	54	54.1
1957	43	54.1
1958	30	54.1
1959	78	54.1
1960	46	43.7
1961	52	43.7
1962	49	43.7
1963	46	43.7
1964	57	43.7
1965	35	43.7
1966	54	43.7
1967	31	43.7
1968	43	43.7
1969	24	43.7
1970	34	27.7
1971	36	27.7
1972	20	27.7
1973	27	27.7
1974	27	27.7
1975	33	27.7
1976	22	27.7
1977	34	27.7
1978	30	27.7
1979	14	27.7
1980	26	36.9
1981	19	36.9
1982	31	36.9
1983	57	36.9
1984	39	36.9
1985	26	36.9
1986	26	36.9
1987	57	36.9
1988	60	36.9
1989	28	36.9
1990	25	41.9
1991	59	41.9
1992	14	41.9
1993	40	41.9
1994	46	41.9
1995	52	41.9
1996	39	41.9
1997	30	41.9
1998	55	41.9
1999	59	41.9
2000	26	30
2001	40	30
2002	71	30
2003	15	30
2004	6	30
2005	38	30
2006	20	30
2007	46	30
2008	27	30
2009	11	30
2010	51	41.3
2011	45	41.3
2019	28	41.3
2024	30	31.3
2025	42	31.3
2026	22	31.3

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

First to last qualifying date each year at Montpelier
Year	First date	Last date
1894	1894-05-17	1894-09-08
1895	1895-05-03	1895-09-22
1896	1896-04-16	1896-09-10
1897	1897-06-13	1897-10-15
1898	1898-06-06	1898-09-04
1899	1899-04-29	1899-09-17
1900	1900-05-13	1900-10-06
1901	1901-06-05	1901-09-07
1902	1902-05-18	1902-08-30
1903	1903-05-17	1903-09-14
1904	1904-05-25	1904-09-11
1905	1905-05-03	1905-09-28
1908	1908-05-25	1908-09-27
1909	1909-06-20	1909-09-14
1910	1910-06-15	1910-09-05
1911	1911-05-10	1911-09-18
1912	1912-05-23	1912-09-10
1913	1913-05-02	1913-10-10
1914	1914-05-25	1914-09-22
1915	1915-04-24	1915-09-16
1916	1916-05-25	1916-10-08
1917	1917-05-19	1917-08-23
1918	1918-05-08	1918-08-29
1919	1919-05-29	1919-10-03
1920	1920-06-09	1920-09-26
1932	1932-05-15	1932-09-19
1933	1933-05-24	1933-09-24
1934	1934-05-05	1934-09-26
1937	1937-05-30	1937-10-01
1938	1938-05-03	1938-10-17
1939	1939-05-19	1939-10-09
1940	1940-06-03	1940-09-21
1941	1941-05-05	1941-09-24
1942	1942-04-30	1942-09-14
1943	1943-06-02	1943-09-06
1944	1944-05-15	1944-09-19
1945	1945-06-14	1945-09-24
1946	1946-06-11	1946-10-07
1947	1947-06-10	1947-10-15
1948	1948-04-25	1948-09-20
1949	1949-05-04	1949-10-10
1950	1950-05-24	1950-10-17
1951	1951-05-16	1951-10-05
1952	1952-05-04	1952-10-01
1953	1953-05-25	1953-10-20
1954	1954-05-24	1954-09-28
1955	1955-05-03	1955-10-05
1956	1956-05-12	1956-09-14
1957	1957-06-16	1957-09-02
1958	1958-06-30	1958-09-05
1959	1959-05-02	1959-09-29
1960	1960-04-24	1960-09-24
1961	1961-06-06	1961-09-23
1962	1962-04-30	1962-09-14
1963	1963-05-09	1963-10-09
1964	1964-05-19	1964-09-21
1965	1965-05-08	1965-09-21
1966	1966-05-27	1966-09-03
1967	1967-05-27	1967-09-16
1968	1968-06-06	1968-09-23
1969	1969-05-29	1969-09-07
1970	1970-06-10	1970-09-22
1971	1971-05-19	1971-10-03
1972	1972-06-15	1972-09-02
1973	1973-06-10	1973-09-26
1974	1974-06-21	1974-08-27
1975	1975-05-20	1975-08-29
1976	1976-06-08	1976-09-09
1977	1977-05-17	1977-09-01
1978	1978-05-28	1978-09-21
1979	1979-05-09	1979-09-01
1980	1980-05-30	1980-09-23
1981	1981-06-15	1981-08-22
1982	1982-05-07	1982-09-14
1983	1983-06-12	1983-09-20
1984	1984-05-19	1984-09-23
1985	1985-04-22	1985-09-09
1986	1986-04-28	1986-09-27
1987	1987-04-22	1987-09-11
1988	1988-05-16	1988-08-18
1989	1989-06-08	1989-09-09
1990	1990-04-26	1990-09-07
1991	1991-05-12	1991-09-16
1992	1992-05-12	1992-08-27
1993	1993-05-10	1993-08-31
1994	1994-05-23	1994-09-17
1995	1995-06-07	1995-09-07
1996	1996-05-19	1996-09-06
1997	1997-06-11	1997-08-17
1998	1998-05-15	1998-09-27
1999	1999-05-17	1999-09-29
2000	2000-05-07	2000-09-10
2001	2001-05-01	2001-09-08
2002	2002-04-17	2002-09-20
2003	2003-06-24	2003-08-29
2004	2004-06-09	2004-08-28
2005	2005-06-06	2005-10-05
2006	2006-05-29	2006-08-05
2007	2007-05-16	2007-10-09
2008	2008-06-06	2008-09-14
2009	2009-06-24	2009-08-17
2010	2010-05-25	2010-10-11
2011	2011-05-31	2011-09-04
2019	2019-06-27	2019-09-23
2024	2024-05-20	2024-09-22
2025	2025-06-04	2025-10-05
2026	2026-06-09	2026-09-16

Every Fixed Threshold

Fixed thresholds at Montpelier
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	107	78	1959	22
35 C (95 F): Days	78	27	1934	1
40 C (104 F): Days	4	5	1934	2
90 F (32.2 C): Days	106	52	1934	10
100 F (37.8 C): Days	19	11	1934	1
0 C (32 F): Ice days (max	107	71	1978	33
0 C (32 F): Frost days (min	107	176	1978	82
-10 C (14 F): Days with min	107	72	1978	30
-20 C (-4 F): Days with min	87	24	1978	4
-30 C (-22 F): Days with min	3	2	1984	2
20 C (68 F): Tropical nights (min	106	28	2010	17
25 C (77 F): Days with min	10	1	1896	1
10 mm (0.39 in): Days with 10 mm or more rain	107	46	1909	23
25 mm (0.98 in): Days with 25 mm or more rain	107	15	1950	10
50 mm (1.97 in): Days with 50 mm or more rain	73	6	1950	5
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1950	1
10 cm (3.9 in): Days with 10 cm or more snowfall	58	6	1909	1
25 cm (9.8 in): Days with 25 cm or more snowfall	8	2	1982	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

Data for Montpelier 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Montpelier Threshold Days by Year (USC00335438)

Key Facts for Montpelier Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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