Saint Johnsbury Threshold Days by Year (USC00437054)

19 fixed thresholds counted per year at Saint Johnsbury (USC00437054): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Saint Johnsbury Thresholds

Saint Johnsbury: days with a maximum temperature at or above 30 C (86 F) in 131 years, most in 1959 with 49.
Saint Johnsbury: days with a maximum temperature at or below 0 C (32 F) in 131 years, most in 1896 with 90.
Saint Johnsbury: nights with a minimum temperature at or below 0 C (32 F) in 131 years, most in 1911 with 195.
Saint Johnsbury: nights with a minimum temperature at or below -10 C (14 F) in 131 years, most in 1904 with 99.
19 fixed thresholds have at least one qualifying day at Saint Johnsbury.

Days at or above 30 C (86 F)

131 years with a qualifying day

Days per year at Saint Johnsbury with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 49 in 1959.

Days at or above 30 C (86 F) per year at Saint Johnsbury
Year	Days	Decade average
1895	8	7
1896	6	7
1897	8	7
1898	6	7
1899	7	7
1900	8	17.9
1901	14	17.9
1902	6	17.9
1903	12	17.9
1904	17	17.9
1905	15	17.9
1906	25	17.9
1907	15	17.9
1908	30	17.9
1909	37	17.9
1910	10	23.6
1911	31	23.6
1912	26	23.6
1913	16	23.6
1914	27	23.6
1915	15	23.6
1916	33	23.6
1917	18	23.6
1918	30	23.6
1919	30	23.6
1920	24	16.7
1921	36	16.7
1922	20	16.7
1923	14	16.7
1924	15	16.7
1925	14	16.7
1926	5	16.7
1927	7	16.7
1928	12	16.7
1929	20	16.7
1930	16	22.9
1931	30	22.9
1932	12	22.9
1933	17	22.9
1934	22	22.9
1935	26	22.9
1936	23	22.9
1937	37	22.9
1938	20	22.9
1939	26	22.9
1940	20	27.8
1941	24	27.8
1942	20	27.8
1943	16	27.8
1944	43	27.8
1945	28	27.8
1946	23	27.8
1947	36	27.8
1948	26	27.8
1949	42	27.8
1950	20	25.9
1951	18	25.9
1952	34	25.9
1953	40	25.9
1954	9	25.9
1955	45	25.9
1956	9	25.9
1957	21	25.9
1958	14	25.9
1959	49	25.9
1960	23	21.1
1961	32	21.1
1962	20	21.1
1963	25	21.1
1964	24	21.1
1965	16	21.1
1966	24	21.1
1967	9	21.1
1968	17	21.1
1969	21	21.1
1970	33	22.9
1971	24	22.9
1972	13	22.9
1973	29	22.9
1974	17	22.9
1976	21	22.9
1977	21	22.9
1978	23	22.9
1979	25	22.9
1980	18	19.7
1981	15	19.7
1982	14	19.7
1983	23	19.7
1984	21	19.7
1985	21	19.7
1986	12	19.7
1987	29	19.7
1988	22	19.7
1989	22	19.7
1990	23	20.4
1991	34	20.4
1992	11	20.4
1993	22	20.4
1994	21	20.4
1995	30	20.4
1996	7	20.4
1997	15	20.4
1998	11	20.4
1999	30	20.4
2000	4	13.6
2001	27	13.6
2002	28	13.6
2003	9	13.6
2004	5	13.6
2005	21	13.6
2006	9	13.6
2007	19	13.6
2008	6	13.6
2009	8	13.6
2010	18	17.2
2011	15	17.2
2012	16	17.2
2013	18	17.2
2014	10	17.2
2015	18	17.2
2016	21	17.2
2017	13	17.2
2018	28	17.2
2019	15	17.2
2020	34	30
2021	29	30
2022	33	30
2023	28	30
2024	29	30
2025	38	30
2026	19	30

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

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

Every Fixed Threshold

Fixed thresholds at Saint Johnsbury
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	131	49	1959	19
35 C (95 F): Days	39	10	1909	4
90 F (32.2 C): Days	121	23	1944	7
100 F (37.8 C): Days	3	3	1919	3
0 C (32 F): Ice days (max	131	90	1896	38
0 C (32 F): Frost days (min	131	195	1911	104
-10 C (14 F): Days with min	131	99	1904	47
-20 C (-4 F): Days with min	131	41	1904	16
-30 C (-22 F): Days with min	94	11	1914	3
-40 C (-40 F): Days with min	3	2	1917	1
20 C (68 F): Tropical nights (min	123	12	2024	7
10 mm (0.39 in): Days with 10 mm or more rain	129	47	2008	21
25 mm (0.98 in): Days with 25 mm or more rain	127	13	2015	6
50 mm (1.97 in): Days with 50 mm or more rain	50	3	1927	2
100 mm (3.94 in): Days with 100 mm or more rain	7	2	2011	2
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2024	1
10 cm (3.9 in): Days with 10 cm or more snowfall	98	12	1972	4
25 cm (9.8 in): Days with 25 cm or more snowfall	43	3	2003	1
50 cm (19.7 in): Days with 50 cm or more snowfall	3	1	1969	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 Saint Johnsbury 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Saint Johnsbury Threshold Days by Year (USC00437054)

Key Facts for Saint Johnsbury Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related