Shawinigan Threshold Days by Year (CA007018000)

17 fixed thresholds counted per year at Shawinigan (CA007018000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Shawinigan Thresholds

Shawinigan: days with a maximum temperature at or below 0 C (32 F) in 76 years, most in 1912 with 123.
Shawinigan: nights with a minimum temperature at or below 0 C (32 F) in 74 years, most in 1911 with 210.
Shawinigan: nights with a minimum temperature at or below -10 C (14 F) in 74 years, most in 1912 with 127.
Shawinigan: nights with a minimum temperature at or below -20 C (-4 F) in 74 years, most in 1934 with 66.
17 fixed thresholds have at least one qualifying day at Shawinigan.

Days at or above 30 C (86 F)

72 years with a qualifying day

Days per year at Shawinigan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1947.

Days at or above 30 C (86 F) per year at Shawinigan
Year	Days	Decade average
1903	5	7.3
1904	7	7.3
1905	3	7.3
1908	14	7.3
1910	1	7.4
1911	15	7.4
1912	9	7.4
1913	5	7.4
1914	4	7.4
1915	1	7.4
1916	7	7.4
1918	8	7.4
1919	17	7.4
1920	10	11.1
1921	20	11.1
1922	16	11.1
1923	9	11.1
1924	2	11.1
1925	7	11.1
1926	8	11.1
1927	9	11.1
1928	16	11.1
1929	14	11.1
1930	4	9.3
1931	14	9.3
1932	2	9.3
1933	10	9.3
1934	10	9.3
1935	11	9.3
1936	4	9.3
1937	21	9.3
1938	11	9.3
1939	6	9.3
1940	12	22.6
1941	25	22.6
1942	9	22.6
1943	17	22.6
1944	26	22.6
1945	23	22.6
1946	24	22.6
1947	34	22.6
1948	27	22.6
1949	29	22.6
1950	1	7.1
1952	8	7.1
1953	10	7.1
1954	1	7.1
1955	17	7.1
1956	3	7.1
1959	10	7.1
1960	3	4.3
1961	1	4.3
1962	2	4.3
1963	12	4.3
1964	3	4.3
1965	4	4.3
1966	4	4.3
1967	5	4.3
1968	4	4.3
1969	5	4.3
1970	15	6.9
1971	2	6.9
1972	3	6.9
1973	7	6.9
1975	9	6.9
1976	4	6.9
1977	9	6.9
1978	5	6.9
1979	8	6.9
1980	2	3
1981	2	3
1982	5	3

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

First to last qualifying date each year at Shawinigan
Year	First date	Last date
1903	1903-06-06	1903-07-10
1904	1904-06-25	1904-07-25
1905	1905-06-16	1905-07-12
1908	1908-06-07	1908-07-30
1910	1910-07-24	1910-07-24
1911	1911-05-21	1911-08-06
1912	1912-07-03	1912-07-15
1913	1913-04-27	1913-08-17
1914	1914-06-24	1914-09-23
1915	1915-06-06	1915-06-06
1916	1916-07-02	1916-08-21
1918	1918-07-04	1918-07-29
1919	1919-06-02	1919-09-21
1920	1920-05-27	1920-08-28
1921	1921-05-29	1921-09-02
1922	1922-06-07	1922-09-10
1923	1923-06-18	1923-08-03
1924	1924-06-25	1924-07-21
1925	1925-06-04	1925-08-25
1926	1926-07-19	1926-08-19
1927	1927-06-30	1927-08-08
1928	1928-06-13	1928-08-17
1929	1929-05-28	1929-09-02
1930	1930-06-05	1930-06-30
1931	1931-05-20	1931-09-10
1932	1932-05-16	1932-06-20
1933	1933-06-09	1933-07-23
1934	1934-06-05	1934-08-19
1935	1935-07-04	1935-08-20
1936	1936-06-09	1936-07-11
1937	1937-05-30	1937-08-26
1938	1938-06-16	1938-08-15
1939	1939-07-05	1939-09-16
1940	1940-07-07	1940-08-18
1941	1941-05-21	1941-08-08
1942	1942-06-09	1942-09-01
1943	1943-06-22	1943-08-03
1944	1944-05-30	1944-08-16
1945	1945-06-14	1945-09-07
1946	1946-06-17	1946-10-06
1947	1947-06-11	1947-09-08
1948	1948-06-04	1948-09-13
1949	1949-06-13	1949-08-28
1950	1950-06-25	1950-06-25
1952	1952-07-07	1952-07-23
1953	1953-06-20	1953-09-01
1954	1954-06-25	1954-06-25
1955	1955-06-18	1955-08-20
1956	1956-06-12	1956-06-14
1959	1959-06-29	1959-08-15
1960	1960-05-28	1960-08-19
1961	1961-07-22	1961-07-22
1962	1962-05-19	1962-06-16
1963	1963-06-24	1963-07-29
1964	1964-06-30	1964-07-28
1965	1965-06-19	1965-08-15
1966	1966-06-23	1966-07-03
1967	1967-06-03	1967-07-21
1968	1968-07-15	1968-07-18
1969	1969-06-27	1969-08-31
1970	1970-06-10	1970-08-15
1971	1971-06-18	1971-08-09
1972	1972-05-23	1972-07-22
1973	1973-06-22	1973-09-02
1975	1975-05-20	1975-08-10
1976	1976-06-10	1976-08-21
1977	1977-05-17	1977-08-29
1978	1978-05-27	1978-08-15
1979	1979-05-09	1979-07-25
1980	1980-06-25	1980-08-24
1981	1981-06-16	1981-07-08
1982	1982-07-11	1982-07-22

Every Fixed Threshold

Fixed thresholds at Shawinigan
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	72	34	1947	5
35 C (95 F): Days	13	3	1911	1
90 F (32.2 C): Days	48	18	1944	1
0 C (32 F): Ice days (max	76	123	1912	91
0 C (32 F): Frost days (min	74	210	1911	154
-10 C (14 F): Days with min	74	127	1912	62
-20 C (-4 F): Days with min	74	66	1934	32
-30 C (-22 F): Days with min	65	24	1914	4
-40 C (-40 F): Days with min	2	2	1914	2
20 C (68 F): Tropical nights (min	51	11	1944	1
10 mm (0.39 in): Days with 10 mm or more rain	74	48	1951	34
25 mm (0.98 in): Days with 25 mm or more rain	74	16	1904	7
50 mm (1.97 in): Days with 50 mm or more rain	32	3	1918	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1924	1
10 cm (3.9 in): Days with 10 cm or more snowfall	74	19	1914	6
25 cm (9.8 in): Days with 25 cm or more snowfall	33	7	1912	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1975	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

Download the Data

Data for Shawinigan 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).

Shawinigan Threshold Days by Year (CA007018000)

Key Facts for Shawinigan Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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