Denver - Highest Temperature for Each Year

Here's where you'll find answers to questions about the highest temperatures and hottest days in Denver, Colorado. When was the last time thermometers in Denver rose above 102 °F? What was the highest temperature in Denver in 2018 or 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 Denver and the date that it happened. A date with a plus sign beside it means it was that hot on at least one other day earlier that year.

These records go back to 1921, with one year missing data. The highest temperature measured during that time was 104 degrees Fahrenheit (40 Celsius) on June 29, 2018, June 26, 2012, July 21, 2005 and June 26, 1994.

Since 1948 the temperature extremes were observed at Denver's Stapleton neighborhood. Before then, the weather station was in downtown Denver.

Highest Denver temperatures in recent years
Max °F Date Max °C
99 July 25, 2023   37
2022
102 July 08, 2021 + 39
99 September 06, 2020 + 37
100 July 20, 2019 38
104 June 29, 2018 40
102 July 20, 2017 + 39
103 July 11, 2016 39
97 August 16, 2015 36
97 July 08, 2014 36
101 July 12, 2013 38
104 June 26, 2012 40
98 August 01, 2011 + 37
101 July 18, 2010 38
Highest temperature recorded at Denver each year
Max °F Date Max °C
2009
102 August 02, 2008 39
99 July 18, 2007 37
100 July 17, 2006 38
104 July 21, 2005 40
100 July 14, 2004 + 38
102 July 18, 2003 39
102 August 17, 2002 + 39
99 July 05, 2001 + 37
100 July 07, 2000 38
96 July 05, 1999 + 36
100 July 20, 1998 38
100 July 17, 1997 38
98 August 12, 1996 + 37
99 August 10, 1995 + 37
104 June 26, 1994 40
99 July 31, 1993 37
99 July 06, 1992 37
100 June 25, 1991 38
102 July 01, 1990 + 39
103 July 08, 1989 39
99 June 24, 1988 37
98 August 20, 1987 37
99 June 28, 1986 37
98 July 07, 1985 + 37
97 July 21, 1984 + 36
96 July 19, 1983 + 36
99 July 23, 1982 + 37
100 July 21, 1981 38
100 August 06, 1980 38
99 August 06, 1979 37
98 July 25, 1978 37
98 July 17, 1977 37
98 July 10, 1976 37
95 August 07, 1975 + 35
96 June 28, 1974 + 36
103 July 06, 1973 39
100 July 30, 1972 38
101 July 17, 1971 + 38
98 August 02, 1970 37
100 August 08, 1969 38
97 June 20, 1968 36
93 August 24, 1967 + 34
98 July 16, 1966 + 37
97 August 12, 1965 36
98 July 27, 1964 + 37
99 July 25, 1963 37
100 August 14, 1962 + 38
99 July 17, 1961 37
98 August 31, 1960 + 37
97 August 18, 1959 36
96 July 13, 1958 36
97 July 02, 1957 36
96 June 13, 1956 36
99 July 10, 1955 37
102 July 11, 1954 + 39
99 June 29, 1953 37
97 June 15, 1952 + 36
97 July 15, 1951 36
93 June 24, 1950 34
95 August 22, 1949 35
95 September 04, 1948 35
97 July 26, 1947 36
96 July 17, 1946 + 36
95 July 29, 1945 35
96 August 02, 1944 + 36
96 July 28, 1943 + 36
95 July 14, 1942 + 35
93 August 03, 1941 + 34
99 July 24, 1940 37
102 July 20, 1939 39
100 August 01, 1938 38
97 August 14, 1937 36
100 July 23, 1936 38
97 August 15, 1935 + 36
100 July 19, 1934 38
97 July 28, 1933 36
97 August 09, 1932 36
100 July 22, 1931 38
96 July 07, 1930 + 36
95 July 26, 1929 + 35
96 August 19, 1928 36
95 July 17, 1927 + 35
97 August 27, 1926 + 36
99 July 15, 1925 37
98 August 02, 1924 37
94 June 24, 1923 34
98 June 21, 1922 37
97 July 02, 1921 36
Reference

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

Denver - Extremes
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