Duluth MN Highest Temperature Each Year

Here's where you'll find answers to questions about the highest temperatures and hottest days in Duluth, Minnesota. How hot did it get in 2019? When was the last time thermometers in Duluth rose above 95 °F? What was the highest temperature in Duluth five decades 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 Duluth 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 1918, with a few years missing data. The highest temperature measured during that time was 105 degrees Fahrenheit (41 Celsius) on July 14, 1936.

Since 1948 the temperature extremes were observed at Duluth International Airport. Before then, the weather station was at Superior WI.

Highest Duluth temperatures in recent years
Max °F	Date	Max °C
97	September 03, 2023	36
94	June 20, 2022	34
94	June 05, 2021 +	34
93	July 03, 2020 +	34
89	July 15, 2019 +	32
92	May 26, 2018	33
88	June 10, 2017	31
92	May 06, 2016	33
93	August 14, 2015	34
88	July 21, 2014	31
94	August 25, 2013 +	34
92	July 16, 2012	33
92	July 18, 2011	33
89	August 09, 2010	32

Highest temperature recorded at Duluth each year
Max °F	Date	Max °C
88	May 20, 2009	31
86	July 06, 2008	30
88	September 05, 2007 +	31
97	July 28, 2006	36
92	July 17, 2005	33
90	July 21, 2004	32
91	July 26, 2003	33
91	June 30, 2002	33
93	August 05, 2001	34
88	June 08, 2000	31
92	July 30, 1999	33
90	July 13, 1998	32
86	August 02, 1997	30
89	June 28, 1996	32
94	July 30, 1995 +	34
85	July 11, 1994 +	29
87	August 25, 1993 +	31
86	August 08, 1992	30
92	July 17, 1991	33
93	July 03, 1990	34
92	August 04, 1989	33
97	July 07, 1988	36
91	July 17, 1987	33
90	July 18, 1986 +	32
85	July 13, 1985	29
92	August 27, 1984 +	33
93	July 14, 1983	34
90	July 05, 1982	32
88	July 08, 1981 +	31
95	July 10, 1980	35
88	July 11, 1979	31
91	September 06, 1978 +	33
89	July 19, 1977	32
95	September 07, 1976	35
93	July 29, 1975	34
92	July 13, 1974	33
91	July 06, 1973	33
88	August 17, 1972 +	31
90	August 09, 1971	32
92	August 14, 1970	33
90	August 28, 1969 +	32
90	June 04, 1968	32
87	July 21, 1967 +	31
90	July 12, 1966	32
89	August 12, 1965	32
94	July 17, 1964	34
92	June 30, 1963	33
87	June 28, 1962	31
95	August 30, 1961	35
93	July 21, 1960	34
89	August 19, 1959 +	32
92	August 09, 1958	33
90	August 01, 1957	32
92	June 10, 1956	33
92	August 18, 1955	33
88	July 26, 1954 +	31
90	August 26, 1953	32
88	July 27, 1952 +	31
88	July 25, 1951 +	31
89	July 28, 1950	32
95	August 07, 1949	35
94	August 24, 1948	34
–	1947	–
–	1946	–
–	1945	–
91	August 11, 1944	33
89	July 26, 1943	32
92	July 13, 1942	33
97	July 23, 1941	36
93	July 24, 1940	34
96	May 31, 1939	36
94	August 15, 1938	34
94	August 07, 1937 +	34
105	July 14, 1936	41
90	August 01, 1935 +	32
93	August 19, 1934	34
97	June 20, 1933	36
95	July 19, 1932	35
–	1931	–
96	July 27, 1930	36
94	July 28, 1929	34
89	August 10, 1928	32
94	June 29, 1927	34
–	1926	–
92	July 15, 1925 +	33
92	August 27, 1924	33
92	July 20, 1923	33
94	June 24, 1922	34
99	July 11, 1921	37
90	September 26, 1920	32
90	July 03, 1919 +	32
90	August 05, 1918 +	32

Duluth - Highest Temperature for Each Year

Reference

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