Key West FL Lowest Temperature 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

Key West - Lowest Temperature for Each Year

Reference

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