Key West - Lowest Temperature for Each Year

Here's where you'll find answers to your questions about the lowest temperatures and coldest days in Key West, Florida. For instance: When was the last time Key West got colder than 45 °F? How cold did Key West get in 2019?

This page gives the lowest temperature for each year in Key West and the date that it happened. A date with a plus sign beside it means the lowest temperature also occurred 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 lowest temperature recorded there during that period was 41 degrees Fahrenheit (5 Celsius) on January 13, 1981.

Lowest Key West temperatures in recent years
Min °F Date Min °C
53 January 16, 2023   12
50 January 31, 2022 + 10
57 February 04, 2021 + 14
50 December 27, 2020   10
54 January 29, 2019 12
53 January 18, 2018 12
54 December 14, 2017 + 12
54 January 25, 2016 12
49 February 20, 2015 9
55 January 07, 2014 13
53 February 18, 2013 12
49 January 06, 2012 9
50 January 29, 2011 10
42 January 11, 2010 6
Lowest temperature recorded at Key West each year
Min °F Date Min °C
47 February 05, 2009 + 8
45 January 03, 2008 7
52 February 19, 2007 11
48 January 16, 2006 9
50 January 26, 2005 + 10
53 January 24, 2004 12
45 January 24, 2003 7
46 January 05, 2002 8
46 January 05, 2001 8
50 February 11, 2000 10
52 January 06, 1999 11
1998
46 January 20, 1997 8
45 February 18, 1996 + 7
48 February 09, 1995 9
53 January 06, 1994 12
53 March 15, 1993 12
55 December 13, 1992 13
53 February 17, 1991 + 12
58 December 09, 1990 + 14
44 December 24, 1989 7
53 March 17, 1988 + 12
48 April 02, 1987 9
46 January 29, 1986 8
44 December 27, 1985 7
51 March 01, 1984 11
45 December 26, 1983 7
50 January 12, 1982 10
41 January 13, 1981 5
49 March 04, 1980 9
53 February 10, 1979 + 12
48 February 23, 1978 + 9
48 January 20, 1977 + 9
52 January 19, 1976 11
54 December 24, 1975 12
51 February 27, 1974 11
51 February 12, 1973 + 11
55 December 28, 1972 13
46 January 21, 1971 8
48 January 11, 1970 + 9
54 December 15, 1969 12
51 December 17, 1968 11
49 February 26, 1967 9
47 January 31, 1966 8
54 January 18, 1965 12
47 January 15, 1964 8
55 December 19, 1963 13
46 December 13, 1962 8
51 December 26, 1961 11
50 January 24, 1960 10
49 November 30, 1959 + 9
47 February 14, 1958 8
1957
1956
1955
1954
1953
51 December 17, 1952 11
48 February 03, 1951 9
55 December 20, 1950 + 13
55 November 27, 1949 + 13
47 January 15, 1948 8
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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