Number of Days of 30 °C in Oshawa 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 Oshawa, Ontario, between 1882 and 2024.

Also see:

Which year had the most 30° days?

Based on NOAA records, the year 1955 holds the record for the most 30 °C days in Oshawa history. There were 30 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 Oshawa so far in 2024. As of April 23, the highest temperature this year is 68 °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	73	0
2023	20	8
2022	27	7
2021	11	11
2020	5	18
2019	27	7
2018	7	17
2017	51	2
2016	5	18
2015	39	5
2014	63	1
2013	27	7
2012	10	13
2011	14	10
2010	20	8
2009	51	2
2008	63	1
2007	27	7
2006	27	7
2005	4	19
2004	73	0
2003	34	6
2002	11	11
2001	18	9
2000	73	0
1999	14	10
1998	42	4
1997	39	5
1996	73	0
1995	39	5
1994	47	3
1993	63	1
1992	63	1
1991	20	8
1990	51	2
1989	42	4
1988	7	17
1987	34	6
1986	63	1
1985	47	3
1984	51	2
1983	34	6
1982	73	0
1981	34	6
1980	73	0
1979	73	0
1978	20	8
1977	51	2
1976	63	1
1975	20	8
1974	63	1
1973	20	8
1972	63	1
1971	42	4
1970	47	3
1969	51	2
1968	73	0
1967	73	0
1966	73	0
1965	73	0
1964	73	0
1963	73	0
1962	73	0
1961	73	0
1960	73	0
1959	51	2
1958	63	1
1957	42	4
1956	51	2
1955	1	30
1954	27	7
1953	20	8
1952	73	0
1951	73	0
1950	73	0
1949	73	0
1948	73	0
1947	73	0
1946	73	0
1945	73	0
1944	73	0
1943	73	0
1942	73	0
1941	73	0
1940	73	0
1939	73	0
1938	73	0
1937	73	0
1936	73	0
1935	73	0
1934	73	0
1933	73	0
1932	73	0
1931	73	0
1930	73	0
1929	73	0
1928	73	0
1927	73	0
1926	73	0
1925	27	7
1924	47	3
1923	14	10
1922	73	0
1921	14	10
1920	73	0
1919	73	0
1918	73	0
1917	73	0
1916	2	21
1915	51	2
1914	18	9
1913	73	0
1912	73	0
1911	73	0
1910	73	0
1909	73	0
1908	73	0
1907	73	0
1906	73	0
1905	73	0
1904	73	0
1903	73	0
1902	73	0
1901	73	0
1900	73	0
1899	73	0
1898	73	0
1897	73	0
1896	73	0
1895	73	0
1894	73	0
1893	42	4
1892	51	2
1891	73	0
1890	51	2
1889	63	1
1888	51	2
1887	2	21
1886	34	6
1885	11	11
1884	9	15
1883	73	0
1882	73	0

Weather Station Details

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