Montreal McGill Threshold Days by Year (CA007025280)

15 fixed thresholds counted per year at Montreal McGill (CA007025280): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Montreal McGill Thresholds

Montreal McGill: days with a maximum temperature at or below 0 C (32 F) in 112 years, most in 1904 with 114.
Montreal McGill: nights with a minimum temperature at or below 0 C (32 F) in 112 years, most in 1875 with 182.
Montreal McGill: nights with a minimum temperature at or below -10 C (14 F) in 112 years, most in 1883 with 109.
Montreal McGill: nights with a minimum temperature at or above 20 C (68 F) in 112 years, most in 1973 with 40.
15 fixed thresholds have at least one qualifying day at Montreal McGill.

Days at or above 30 C (86 F)

111 years with a qualifying day

Days per year at Montreal McGill with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 31 in 1955.

Days at or above 30 C (86 F) per year at Montreal McGill
Year	Days	Decade average
1872	24	8.1
1873	5	8.1
1874	2	8.1
1875	3	8.1
1876	16	8.1
1877	5	8.1
1878	8	8.1
1879	2	8.1
1880	3	6.1
1881	10	6.1
1882	6	6.1
1883	1	6.1
1884	14	6.1
1885	3	6.1
1886	2	6.1
1887	14	6.1
1888	4	6.1
1889	4	6.1
1890	7	6.6
1891	6	6.6
1892	7	6.6
1893	5	6.6
1894	4	6.6
1895	8	6.6
1896	8	6.6
1897	8	6.6
1898	8	6.6
1899	5	6.6
1900	5	5.6
1901	13	5.6
1902	2	5.6
1903	2	5.6
1904	2	5.6
1905	3	5.6
1906	8	5.6
1907	6	5.6
1908	11	5.6
1909	4	5.6
1910	1	10.4
1911	20	10.4
1912	10	10.4
1913	5	10.4
1914	10	10.4
1915	7	10.4
1916	19	10.4
1917	8	10.4
1918	9	10.4
1919	15	10.4
1920	5	7.5
1921	23	7.5
1922	5	7.5
1923	5	7.5
1924	1	7.5
1925	8	7.5
1926	3	7.5
1927	1	7.5
1928	9	7.5
1929	15	7.5
1930	8	10.2
1931	19	10.2
1932	8	10.2
1933	14	10.2
1934	6	10.2
1935	11	10.2
1936	5	10.2
1937	11	10.2
1938	12	10.2
1939	8	10.2
1940	4	10.8
1941	10	10.8
1942	6	10.8
1943	6	10.8
1944	19	10.8
1945	10	10.8
1946	8	10.8
1947	12	10.8
1948	9	10.8
1949	24	10.8
1950	4	10.7
1952	10	10.7
1953	13	10.7
1954	1	10.7
1955	31	10.7
1956	4	10.7
1957	8	10.7
1958	3	10.7
1959	22	10.7
1960	11	8.5
1961	8	8.5
1962	3	8.5
1963	15	8.5
1964	13	8.5
1965	4	8.5
1966	8	8.5
1967	5	8.5
1968	7	8.5
1969	11	8.5
1970	23	13.6
1971	14	13.6
1972	10	13.6
1973	20	13.6
1974	4	13.6
1975	23	13.6
1976	7	13.6
1977	12	13.6
1978	13	13.6
1979	10	13.6
1980	3	9.5
1981	6	9.5
1982	8	9.5
1983	21	9.5

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

First to last qualifying date each year at Montreal McGill
Year	First date	Last date
1872	1872-06-20	1872-08-24
1873	1873-07-05	1873-07-31
1874	1874-07-15	1874-07-19
1875	1875-08-29	1875-09-01
1876	1876-07-10	1876-08-14
1877	1877-07-17	1877-08-23
1878	1878-06-29	1878-07-17
1879	1879-05-30	1879-06-25
1880	1880-06-25	1880-08-24
1881	1881-05-24	1881-09-07
1882	1882-06-24	1882-08-07
1883	1883-08-22	1883-08-22
1884	1884-06-18	1884-09-09
1885	1885-07-17	1885-07-30
1886	1886-07-05	1886-08-10
1887	1887-05-10	1887-08-04
1888	1888-06-22	1888-08-08
1889	1889-05-08	1889-07-01
1890	1890-07-01	1890-08-04
1891	1891-06-11	1891-08-11
1892	1892-06-01	1892-08-19
1893	1893-06-20	1893-08-11
1894	1894-07-02	1894-07-28
1895	1895-05-11	1895-09-23
1896	1896-05-10	1896-08-12
1897	1897-07-04	1897-09-10
1898	1898-07-03	1898-09-04
1899	1899-06-05	1899-08-21
1900	1900-07-07	1900-09-03
1901	1901-06-14	1901-09-05
1902	1902-07-08	1902-07-31
1903	1903-07-09	1903-07-10
1904	1904-07-18	1904-07-19
1905	1905-06-16	1905-07-18
1906	1906-05-18	1906-08-19
1907	1907-06-18	1907-08-12
1908	1908-06-08	1908-07-31
1909	1909-06-22	1909-08-25
1910	1910-07-09	1910-07-09
1911	1911-05-20	1911-08-07
1912	1912-07-03	1912-07-15
1913	1913-06-27	1913-08-17
1914	1914-05-27	1914-08-10
1915	1915-07-14	1915-09-15
1916	1916-07-01	1916-08-22
1917	1917-07-22	1917-08-02
1918	1918-06-01	1918-08-23
1919	1919-06-03	1919-07-22
1920	1920-07-14	1920-08-13
1921	1921-05-21	1921-09-02
1922	1922-06-08	1922-08-16
1923	1923-06-19	1923-08-07
1924	1924-08-31	1924-08-31
1925	1925-06-03	1925-08-25
1926	1926-07-20	1926-08-06
1927	1927-06-10	1927-06-10
1928	1928-07-02	1928-08-28
1929	1929-05-28	1929-09-02
1930	1930-05-23	1930-07-28
1931	1931-05-20	1931-09-13
1932	1932-05-16	1932-09-01
1933	1933-06-09	1933-08-01
1934	1934-06-05	1934-08-19
1935	1935-07-04	1935-08-20
1936	1936-05-08	1936-07-11
1937	1937-07-05	1937-09-03
1938	1938-06-21	1938-08-21
1939	1939-05-08	1939-09-16
1940	1940-07-23	1940-08-18
1941	1941-04-20	1941-08-08
1942	1942-06-11	1942-08-16
1943	1943-06-25	1943-08-02
1944	1944-05-04	1944-08-16
1945	1945-06-30	1945-09-08
1946	1946-06-25	1946-08-09
1947	1947-06-11	1947-08-25
1948	1948-06-29	1948-08-28
1949	1949-06-13	1949-08-27
1950	1950-06-09	1950-07-13
1952	1952-06-17	1952-08-28
1953	1953-06-20	1953-09-04
1954	1954-06-22	1954-06-22
1955	1955-06-18	1955-08-22
1956	1956-06-13	1956-08-09
1957	1957-06-15	1957-08-03
1958	1958-07-25	1958-08-31
1959	1959-06-09	1959-09-29
1960	1960-06-17	1960-09-09
1961	1961-05-15	1961-09-11
1962	1962-05-18	1962-07-08
1963	1963-06-04	1963-07-29
1964	1964-05-23	1964-07-29
1965	1965-06-28	1965-09-22
1966	1966-06-23	1966-08-09
1967	1967-06-03	1967-07-21
1968	1968-07-09	1968-07-22
1969	1969-06-12	1969-08-31
1970	1970-06-02	1970-08-20
1971	1971-05-19	1971-08-19
1972	1972-05-23	1972-09-01
1973	1973-07-04	1973-09-05
1974	1974-06-10	1974-08-22
1975	1975-05-20	1975-08-26
1976	1976-06-06	1976-08-21
1977	1977-05-17	1977-08-29
1978	1978-05-27	1978-08-16
1979	1979-05-09	1979-07-30
1980	1980-06-24	1980-08-24
1981	1981-06-16	1981-07-11
1982	1982-07-07	1982-07-22
1983	1983-06-12	1983-09-20

Every Fixed Threshold

Fixed thresholds at Montreal McGill
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	111	31	1955	21
35 C (95 F): Days	7	2	1931	1
90 F (32.2 C): Days	72	14	1921	3
0 C (32 F): Ice days (max	112	114	1904	65
0 C (32 F): Frost days (min	112	182	1875	120
-10 C (14 F): Days with min	112	109	1883	46
-20 C (-4 F): Days with min	111	35	1875	9
-30 C (-22 F): Days with min	29	4	1914	2
20 C (68 F): Tropical nights (min	112	40	1973	34
25 C (77 F): Days with min	5	2	1977	2
10 mm (0.39 in): Days with 10 mm or more rain	112	52	1983	52
25 mm (0.98 in): Days with 25 mm or more rain	112	13	1939	9
50 mm (1.97 in): Days with 50 mm or more rain	51	2	1872	1
10 cm (3.9 in): Days with 10 cm or more snowfall	112	18	1885	12
25 cm (9.8 in): Days with 25 cm or more snowfall	60	6	1873	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1872.

Download the Data

Data for Montreal McGill 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).

Montreal McGill Threshold Days by Year (CA007025280)

Key Facts for Montreal McGill Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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