Number of Days of 30 °C in St. Catharines by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 30 degrees Celsius in St. Catharines, Ontario, between 1882 and 2024.

Also see:

Which year had the most 30° days?

Based on NOAA records, the year 1949 holds the record for the most 30 °C days in St. Catharines history. There were 53 days with a high temperature of at least 30 degrees that year.

How many so far this year (2024)?

It has not reached 30 degrees Celsius in St. Catharines so far in 2024. As of April 26, the highest temperature this year is 64 °F.

The last time it reached at least 30° C was September 6, 2023.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 30 °C
2024	102	0
2023	89	7
2022	75	11
2021	71	12
2020	35	20
2019	91	4
2018	25	23
2017	91	4
2016	31	21
2015	84	8
2014	97	3
2013	90	6
2012	46	17
2011	79	10
2010	91	4
2009	98	2
2008	91	4
2007	65	13
2006	102	0
2005	35	20
2004	99	1
2003	84	8
2002	25	23
2001	59	14
2000	102	0
1999	56	15
1998	91	4
1997	99	1
1996	99	1
1995	84	8
1994	75	11
1993	29	22
1992	91	4
1991	9	33
1990	46	17
1989	56	15
1988	3	40
1987	6	34
1986	79	10
1985	79	10
1984	102	0
1983	18	27
1982	79	10
1981	71	12
1980	46	17
1979	50	16
1978	50	16
1977	71	12
1976	59	14
1975	35	20
1974	65	13
1973	35	20
1972	75	11
1971	59	14
1970	59	14
1969	42	19
1968	50	16
1967	84	8
1966	23	25
1965	71	12
1964	65	13
1963	102	0
1962	102	0
1961	102	0
1960	102	0
1959	102	0
1958	102	0
1957	102	0
1956	50	16
1955	2	51
1954	35	20
1953	12	31
1952	4	36
1951	46	17
1950	35	20
1949	1	53
1948	5	35
1947	11	32
1946	19	26
1945	17	28
1944	15	30
1943	15	30
1942	50	16
1941	12	31
1940	44	18
1939	19	26
1938	29	22
1937	25	23
1936	12	31
1935	25	23
1934	31	21
1933	9	33
1932	83	9
1931	19	26
1930	23	25
1929	31	21
1928	65	13
1927	84	8
1926	75	11
1925	42	19
1924	65	13
1923	19	26
1922	35	20
1921	6	34
1920	65	13
1919	6	34
1918	31	21
1917	102	0
1916	102	0
1915	56	15
1914	102	0
1913	59	14
1912	59	14
1911	102	0
1910	102	0
1909	102	0
1908	102	0
1907	102	0
1906	102	0
1905	102	0
1904	102	0
1903	44	18
1902	50	16
1901	102	0
1900	102	0
1899	102	0
1898	102	0
1897	102	0
1896	102	0
1895	102	0
1894	102	0
1893	102	0
1892	102	0
1891	102	0
1890	102	0
1889	102	0
1888	102	0
1887	102	0
1886	102	0
1885	102	0
1884	102	0
1883	102	0
1882	102	0

Weather Station Details

Years	Station	Coordinates
1995–2024	Port Weller (AUT)	location
1882–1994	St Catherines	location