Belleville Threshold Days by Year (USC00140682)

20 fixed thresholds counted per year at Belleville (USC00140682): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Belleville Thresholds

Belleville: days with a maximum temperature at or above 30 C (86 F) in 85 years, most in 1956 with 123.
Belleville: days with a maximum temperature at or above 90 F (32.2 C) in 85 years, most in 1956 with 92.
Belleville: days with a maximum temperature at or below 0 C (32 F) in 85 years, most in 1978 with 63.
Belleville: days with a maximum temperature at or above 35 C (95 F) in 84 years, most in 1936 with 75.
20 fixed thresholds have at least one qualifying day at Belleville.

Days at or above 30 C (86 F)

85 years with a qualifying day

Days per year at Belleville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 123 in 1956.

Days at or above 30 C (86 F) per year at Belleville
Year	Days	Decade average
1936	107	106.3
1937	106	106.3
1938	104	106.3
1939	108	106.3
1940	88	81.7
1941	85	81.7
1942	81	81.7
1943	81	81.7
1944	69	81.7
1945	65	81.7
1946	81	81.7
1947	98	81.7
1948	98	81.7
1949	71	81.7
1950	57	86.6
1951	48	86.6
1952	97	86.6
1953	113	86.6
1954	107	86.6
1955	105	86.6
1956	123	86.6
1957	68	86.6
1958	59	86.6
1959	89	86.6
1960	74	67.8
1961	67	67.8
1962	64	67.8
1963	80	67.8
1964	76	67.8
1965	62	67.8
1966	74	67.8
1967	54	67.8
1968	69	67.8
1969	58	67.8
1970	92	72.4
1971	74	72.4
1972	68	72.4
1973	68	72.4
1974	57	72.4
1975	74	72.4
1976	77	72.4
1977	59	72.4
1978	80	72.4
1979	75	72.4
1980	103	70.6
1981	67	70.6
1982	60	70.6
1983	85	70.6
1984	71	70.6
1985	64	70.6
1986	54	70.6
1987	66	70.6
1988	79	70.6
1989	57	70.6
1990	70	64.1
1991	87	64.1
1992	34	64.1
1993	48	64.1
1994	70	64.1
1995	71	64.1
1996	52	64.1
1997	72	64.1
1998	79	64.1
1999	58	64.1
2000	90	87.4
2001	73	87.4
2005	95	87.4
2006	98	87.4
2007	81	87.4
2010	83	78
2011	77	78
2012	95	78
2013	69	78
2014	70	78
2015	73	78
2016	80	78
2017	71	78
2018	90	78
2019	72	78
2020	81	86.5
2021	78	86.5
2022	87	86.5
2024	87	86.5
2025	80	86.5
2026	106	86.5

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

First to last qualifying date each year at Belleville
Year	First date	Last date
1936	1936-04-13	1936-09-21
1937	1937-04-16	1937-10-29
1938	1938-04-30	1938-10-16
1939	1939-04-23	1939-10-26
1940	1940-04-01	1940-10-22
1941	1941-05-14	1941-10-13
1942	1942-04-04	1942-10-12
1943	1943-05-04	1943-10-09
1944	1944-05-13	1944-09-21
1945	1945-05-20	1945-10-18
1946	1946-03-31	1946-09-27
1947	1947-05-03	1947-10-22
1948	1948-04-15	1948-09-21
1949	1949-04-25	1949-10-07
1950	1950-04-09	1950-10-31
1951	1951-04-28	1951-09-11
1952	1952-04-08	1952-09-30
1953	1953-04-21	1953-10-11
1954	1954-04-06	1954-10-09
1955	1955-04-18	1955-09-21
1956	1956-04-01	1956-10-12
1957	1957-06-04	1957-09-30
1958	1958-05-11	1958-09-24
1959	1959-05-01	1959-09-20
1960	1960-04-22	1960-09-21
1961	1961-05-28	1961-10-16
1962	1962-05-05	1962-09-14
1963	1963-05-08	1963-10-10
1964	1964-04-16	1964-09-09
1965	1965-04-20	1965-10-10
1966	1966-05-05	1966-10-13
1967	1967-03-23	1967-10-03
1968	1968-05-01	1968-10-14
1969	1969-05-27	1969-10-03
1970	1970-04-27	1970-09-20
1971	1971-06-05	1971-10-07
1972	1972-05-15	1972-10-01
1973	1973-05-18	1973-09-02
1974	1974-04-27	1974-10-04
1975	1975-05-18	1975-10-20
1976	1976-06-08	1976-10-11
1977	1977-05-04	1977-09-08
1978	1978-03-31	1978-10-20
1979	1979-05-28	1979-09-30
1980	1980-04-20	1980-10-13
1981	1981-04-25	1981-09-29
1982	1982-04-12	1982-10-05
1983	1983-05-24	1983-10-02
1984	1984-05-24	1984-09-23
1985	1985-04-18	1985-09-18
1986	1986-03-29	1986-09-28
1987	1987-04-18	1987-10-04
1988	1988-05-12	1988-09-27
1989	1989-04-21	1989-10-14
1990	1990-06-05	1990-10-05
1991	1991-05-12	1991-10-17
1992	1992-04-14	1992-09-17
1993	1993-05-27	1993-10-06
1994	1994-04-17	1994-09-30
1995	1995-06-06	1995-10-12
1996	1996-04-11	1996-09-06
1997	1997-04-18	1997-10-07
1998	1998-05-13	1998-09-26
1999	1999-06-04	1999-10-12
2000	2000-04-05	2000-10-01
2001	2001-04-27	2001-09-13
2005	2005-05-10	2005-10-05
2006	2006-04-12	2006-10-04
2007	2007-04-29	2007-10-06
2010	2010-05-23	2010-10-09
2011	2011-04-10	2011-10-05
2012	2012-04-01	2012-09-20
2013	2013-05-15	2013-10-05
2014	2014-05-07	2014-09-21
2015	2015-03-17	2015-10-21
2016	2016-05-30	2016-09-24
2017	2017-03-20	2017-09-25
2018	2018-05-06	2018-10-04
2019	2019-04-21	2019-10-01
2020	2020-04-08	2020-10-12
2021	2021-04-27	2021-10-09
2022	2022-04-13	2022-09-25
2024	2024-04-13	2024-10-11
2025	2025-03-28	2025-10-13
2026	2026-03-20	2026-10-13

Every Fixed Threshold

Fixed thresholds at Belleville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	85	123	1956	106
35 C (95 F): Days	84	75	1936	28
40 C (104 F): Days	46	31	1936	2
45 C (113 F): Days	2	4	1936	1
90 F (32.2 C): Days	85	92	1956	63
100 F (37.8 C): Days	79	47	1936	15
110 F (43.3 C): Days	7	11	1936	2
0 C (32 F): Ice days (max	85	63	1978	13
0 C (32 F): Frost days (min	84	162	2013	64
-10 C (14 F): Days with min	84	69	1978	21
-20 C (-4 F): Days with min	76	21	1979	5
-30 C (-22 F): Days with min	1	2	1989	2
20 C (68 F): Tropical nights (min	84	55	1937	67
25 C (77 F): Days with min	49	18	1936	11
10 mm (0.39 in): Days with 10 mm or more rain	84	43	1993	21
25 mm (0.98 in): Days with 25 mm or more rain	84	14	1973	9
50 mm (1.97 in): Days with 50 mm or more rain	67	5	1938	3
100 mm (3.94 in): Days with 100 mm or more rain	11	1	1941	1
10 cm (3.9 in): Days with 10 cm or more snowfall	50	7	1945	1
25 cm (9.8 in): Days with 25 cm or more snowfall	6	2	2001	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

Data for Belleville 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).

Belleville Threshold Days by Year (USC00140682)

Key Facts for Belleville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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