Key West FL Highest Temperature Each Year

Here's where you'll find answers to questions about the highest temperatures and hottest days in Key West, Florida. How hot did it get in 2019? What was the highest temperature in Key West 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 Key West 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 temperature extremes were measured at Key West International Airport and go back to 1948, with a few years missing data. The highest temperature recorded during that time there was 96 degrees Fahrenheit (36 Celsius) on July 3, 2023.

Highest Key West temperatures in recent years
Max °F	Date	Max °C
96	July 03, 2023	36
93	July 05, 2022	34
93	July 29, 2021	34
94	July 15, 2020 +	34
94	August 27, 2019 +	34
95	September 20, 2018	35
94	August 19, 2017	34
93	July 12, 2016	34
94	September 04, 2015 +	34
93	August 24, 2014 +	34
91	June 20, 2013	33
90	September 12, 2012 +	32
93	July 25, 2011	34
92	August 29, 2010 +	33

Highest temperature recorded at Key West each year
Max °F	Date	Max °C
94	July 25, 2009	34
92	August 14, 2008 +	33
95	September 03, 2007	35
92	August 14, 2006 +	33
93	August 11, 2005 +	34
91	August 30, 2004 +	33
92	August 25, 2003 +	33
92	July 17, 2002	33
92	August 26, 2001	33
93	July 24, 2000 +	34
92	September 01, 1999 +	33
93	July 04, 1998	34
91	August 26, 1997 +	33
92	August 14, 1996	33
93	September 02, 1995 +	34
93	June 24, 1994 +	34
93	September 05, 1993 +	34
92	August 20, 1992 +	33
94	July 31, 1991 +	34
94	August 15, 1990 +	34
94	August 11, 1989	34
92	August 25, 1988 +	33
93	September 22, 1987 +	34
92	July 31, 1986 +	33
93	June 28, 1985 +	34
91	August 17, 1984 +	33
92	August 24, 1983	33
92	July 26, 1982 +	33
93	June 17, 1981 +	34
92	August 28, 1980 +	33
93	August 14, 1979 +	34
93	August 19, 1978 +	34
90	August 26, 1977 +	32
92	July 19, 1976 +	33
92	August 13, 1975	33
90	September 29, 1974 +	32
92	July 08, 1973	33
90	September 07, 1972 +	32
91	August 09, 1971	33
90	August 15, 1970 +	32
92	July 16, 1969 +	33
92	August 21, 1968	33
93	July 16, 1967	34
91	August 27, 1966 +	33
92	August 14, 1965 +	33
91	September 15, 1964 +	33
94	July 09, 1963	34
93	October 05, 1962 +	34
93	August 20, 1961	34
92	September 13, 1960 +	33
93	July 04, 1959	34
94	August 20, 1958	34
–	1957	–
–	1956	–
–	1955	–
–	1954	–
–	1953	–
94	August 29, 1952 +	34
95	July 23, 1951	35
95	August 21, 1950	35
93	August 23, 1949 +	34
94	September 08, 1948	34

Key West - Highest Temperature for Each Year

Reference

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