St. John's NL Highest Temperature Each Year

Here's where you'll find answers to questions about the highest temperatures and hottest days in St. John's, Newfoundland Canada. How hot did it get in 2019? When was the last time thermometers in St. John's rose above 30 °C? What was the highest temperature in St. John's a century ago? Answers to those questions and much more can be found quickly and easily in the list below of record high temperatures.

This page gives the highest temperature for each year in St. John's and the date that it happened. A date with a plus sign means it was that hot on at least one other day earlier that year.

These records go back to 1874, with some years missing data. The highest temperature measured during that time was 34 degrees Celsius (93 Fahrenheit) on August 14, 1876.

Since 1942 the temperature extremes were observed at the St. John's Airport. Before then, the weather station was in downtown St. John's.

Highest St. John's temperatures in recent years
Max °F	Date	Max °C
84	July 26, 2023	29
87	July 24, 2022	31
83	August 15, 2021	28
83	August 03, 2020	28
83	August 01, 2019	28
85	August 01, 2018	29
81	July 18, 2017	27
81	June 30, 2016	27
81	August 18, 2015	27
85	July 30, 2014	29
88	July 15, 2013	31
83	August 04, 2012	28
80	August 29, 2011	27
81	July 12, 2010	27

Highest temperature recorded at St. John's each year
Max °F	Date	Max °C
80	June 19, 2009	27
85	July 09, 2008	29
85	July 28, 2007	29
82	July 21, 2006	28
79	August 08, 2005	26
85	July 31, 2004	29
83	September 16, 2003	28
84	August 16, 2002	29
85	September 10, 2001	29
83	August 17, 2000	28
83	September 03, 1999	28
84	August 10, 1998 +	29
82	August 12, 1997	28
88	August 07, 1996	31
85	August 11, 1995	29
82	August 07, 1994	28
–	1993	–
–	1992	–
83	July 21, 1991	28
83	August 05, 1990	28
83	August 12, 1989	28
82	June 16, 1988	28
83	July 15, 1987	28
80	June 23, 1986	27
87	July 06, 1985	31
84	July 10, 1984	29
89	July 06, 1983	32
86	July 09, 1982	30
83	July 04, 1981	28
80	July 30, 1980	27
85	August 04, 1979	29
83	August 13, 1978	28
83	August 30, 1977	28
82	August 13, 1976 +	28
85	July 20, 1975	29
82	June 30, 1974	28
82	July 19, 1973	28
82	July 17, 1972	28
82	August 03, 1971	28
83	August 06, 1970 +	28
79	June 28, 1969	26
84	July 10, 1968	29
84	July 17, 1967 +	29
80	July 20, 1966	27
82	August 20, 1965	28
81	July 29, 1964 +	27
87	July 14, 1963	31
80	June 17, 1962	27
84	July 24, 1961	29
81	July 31, 1960	27
82	July 23, 1959	28
78	August 22, 1958 +	26
81	July 01, 1957	27
79	June 03, 1956	26
80	August 23, 1955 +	27
80	July 01, 1954	27
81	July 14, 1953	27
84	July 27, 1952 +	29
82	August 28, 1951 +	28
80	July 15, 1950	27
83	June 19, 1949	28
82	September 07, 1948 +	28
85	July 23, 1947 +	29
81	July 27, 1946	27
83	July 20, 1945	28
86	August 14, 1944 +	30
81	August 02, 1943	27
78	September 28, 1942 +	26
82	July 24, 1941	28
83	August 05, 1940	28
81	July 24, 1939	27
84	August 18, 1938	29
89	August 09, 1937	32
81	August 11, 1936	27
89	August 20, 1935	32
–	1934	–
–	1933	–
87	October 03, 1932	31
–	1931	–
–	1930	–
–	1929	–
–	1928	–
–	1927	–
–	1926	–
–	1925	–
–	1924	–
–	1923	–
–	1922	–
–	1921	–
90	July 15, 1920	32
80	August 19, 1919	27
80	August 22, 1918 +	27
85	June 16, 1917	29
84	July 21, 1916	29
87	June 08, 1915	31
82	September 23, 1914 +	28
81	July 08, 1913	27
86	July 11, 1912	30
83	July 26, 1911	28
82	July 15, 1910 +	28
89	August 05, 1909	32
88	August 10, 1908	31
80	August 05, 1907	27
81	July 18, 1906	27
78	July 30, 1905 +	26
83	July 28, 1904	28
75	September 18, 1903 +	24
80	September 01, 1902	27
83	July 01, 1901	28
84	September 04, 1900	29
81	July 12, 1899	27
82	July 31, 1898 +	28
–	1897	–
84	July 13, 1896	29
–	1895	–
84	August 08, 1894	29
83	July 13, 1893	28
85	July 16, 1892	29
84	August 29, 1891	29
84	July 30, 1890	29
–		–
76	September 01, 1888 +	24
86	July 02, 1887	30
80	August 23, 1886 +	27
83	July 11, 1885	28
82	August 24, 1884 +	28
86	July 20, 1883 +	30
85	July 27, 1882	29
81	June 15, 1881	27
87	August 02, 1880	31
82	August 03, 1879	28
80	September 14, 1878	27
87	July 20, 1877	31
93	August 14, 1876	34
84	August 28, 1875	29
83	July 26, 1874	28

St. John's NL - Highest Temperature for Each Year

Reference

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