Key West - Highest Temperature for 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 2018? 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 95 degrees Fahrenheit (35 Celsius) on September 20, 2018, September 3, 2007, July 23, 1951 and August 21, 1950.

Highest Key West temperatures in recent years
Max °F Date Max °C
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
Reference

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

Key West - Extremes
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