Average Temperature in Oshawa by Year

This page contains a list of the average yearly high and low temperatures in Oshawa, Ontario for each year between 1883 and 2023. It is based on NOAA data.

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What Was the Hottest Year Ever in Oshawa?

1998 was the warmest year in the history of Oshawa, Ontario. The average daily high temperature was 13.8 °C, and the average low was 5.7 °C.

What Was the Coldest Year Ever in Oshawa?

1883 was the coolest year in the history of Oshawa, Ontario. The average daily high temperature was 9.9 °C, and the average low was 0.4 °C.

* click column headers to sort

Year	Rank	High (°C)	Low (°C)
2023	11	13.4	4.1
2022	28	13.1	2.5
2021	8	13.8	4.1
2020	13	13.6	3.6
2019	52	12.0	2.0
2018	24	12.6	3.2
2017	22	12.8	3.3
2016	14	14.0	3.2
2015	42	12.7	2.0
2014	56	11.6	1.6
2013	43	12.2	2.4
2012	4	14.4	4.1
2009	27	12.3	3.4
2006	2	13.5	5.1
2005	12	12.8	4.5
2004	23	11.9	4.0
2003	30	11.7	3.6
2002	5	13.2	5.1
2001	3	13.3	5.2
2000	26	11.9	3.9
1999	6	13.2	5.0
1998	1	13.8	5.7
1997	31	11.7	3.5
1996	32	11.2	3.9
1995	19	11.9	4.3
1994	39	11.4	3.3
1993	34	11.4	3.6
1992	41	11.0	3.7
1991	7	13.0	5.0
1990	9	12.6	5.0
1989	37	11.4	3.5
1988	20	12.1	4.0
1987	10	12.8	4.8
1986	25	11.7	4.1
1985	35	11.8	3.1
1984	36	11.9	3.0
1983	17	12.3	4.2
1982	48	11.3	2.9
1981	29	11.7	3.7
1980	47	11.2	3.1
1979	45	11.6	2.9
1978	55	11.2	2.1
1977	44	11.8	2.8
1976	51	11.6	2.4
1975	16	12.6	4.0
1974	50	11.3	2.9
1973	15	12.4	4.3
1972	57	10.9	2.3
1971	33	11.8	3.2
1970	46	11.7	2.7
1958	38	11.8	2.9
1957	18	12.4	3.8
1956	40	11.4	3.3
1954	21	12.7	3.4
1915	53	11.7	2.0
1914	61	11.2	1.3
1890	54	11.8	1.6
1889	49	12.2	2.1
1887	58	11.8	1.0
1886	60	11.4	1.1
1885	62	10.7	-0.1
1884	59	11.8	0.8
1883	63	9.9	0.4

Weather Station Details

Years	Station	Coordinates
2010–2024	Oshawa	location
1970–2009	Oshawa WPCP	location
1882–1969	Oshawa	location