Average Temperature in St. Catharines by Year

This page contains a list of the average yearly high and low temperatures in St. Catharines, Ontario for each year between 1902 and 2023. It is based on NOAA data.

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What Was the Hottest Year Ever in St. Catharines?

2012 was the warmest year in the history of St. Catharines, Ontario. The average daily high temperature was 14.8 °C, and the average low was 8.3 °C.

What Was the Coldest Year Ever in St. Catharines?

1926 was the coolest year in the history of St. Catharines, Ontario. The average daily high temperature was 11.8 °C, and the average low was 2.9 °C.

* click column headers to sort

Year	Rank	High (°C)	Low (°C)
2023	6	13.9	7.7
2022	20	13.7	6.6
2021	2	14.6	7.9
2020	5	14.2	7.6
2019	40	12.7	6.0
2018	21	13.4	6.8
2017	16	13.6	6.9
2016	3	14.5	7.6
2015	38	13.0	5.8
2014	68	12.0	5.2
2013	32	12.8	6.4
2012	1	14.8	8.3
2011	19	13.3	7.0
2009	51	12.3	5.9
2008	30	13.0	6.3
2007	24	13.4	6.5
2004	43	12.6	5.9
2003	65	12.0	5.3
2002	13	13.7	6.9
2001	12	13.8	7.0
2000	39	12.7	6.0
1999	14	13.7	7.0
1998	4	13.8	7.9
1997	58	11.9	6.0
1994	48	13.7	4.6
1993	61	13.2	4.6
1992	62	12.9	4.7
1991	10	15.4	5.8
1990	18	14.7	5.6
1989	56	13.5	4.4
1987	25	14.7	5.2
1986	44	13.4	5.2
1983	28	13.8	5.5
1981	63	13.4	4.1
1974	52	13.3	4.8
1973	23	14.0	5.9
1972	78	12.4	3.9
1971	47	13.6	4.7
1970	55	13.4	4.5
1968	67	13.2	4.0
1967	76	12.9	3.6
1966	66	13.3	4.0
1956	50	13.8	4.4
1955	11	15.3	5.6
1954	27	14.4	5.0
1953	7	15.5	5.9
1952	15	15.0	5.6
1951	37	14.1	4.7
1950	59	13.6	4.1
1949	8	15.7	5.6
1948	36	14.6	4.4
1947	35	14.1	4.9
1946	22	15.3	4.8
1945	60	13.6	4.2
1944	41	13.8	4.9
1943	69	13.0	4.0
1942	53	13.3	4.8
1941	29	14.2	5.1
1940	80	11.9	3.6
1939	54	13.4	4.5
1938	31	14.1	5.2
1937	49	13.2	5.0
1936	71	12.9	4.0
1935	74	12.7	4.1
1934	77	12.9	3.6
1933	45	14.1	4.3
1932	42	13.7	4.9
1931	17	14.8	5.6
1930	46	14.0	4.5
1929	73	12.9	3.9
1928	64	13.0	4.5
1927	57	13.6	4.4
1926	82	11.8	2.9
1925	75	12.9	3.7
1924	81	12.4	3.1
1923	72	13.5	3.4
1922	34	14.6	4.4
1921	9	15.6	5.7
1920	70	13.4	3.5
1919	33	14.5	4.7
1915	26	14.7	4.8
1902	79	13.5	2.7

Weather Station Details

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