St. John's NL - Highest Temperature for 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
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
Reference

Environment and Climate Change Canada. Historical Climate Data. Historical Data

Jay Lawrimore. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information. 

St. John's - Extremes
St. John's - Recent Years
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