Average May Temperature in Key West by Year

This page contains a list of the average monthly high and low temperatures in Key West, Florida for the month of May each year between 1948 and 2023. It is based on NOAA data.

Change:

Month:

What Was the Hottest May Ever in Key West?

1995 was the warmest May in the history of Key West, Florida. The average daily high temperature was 88.3 °F, and the average low was 78.7 °F.

What Was the Coldest May Ever in Key West?

1992 was the coolest May in the history of Key West, Florida. The average daily high temperature was 83.8 °F, and the average low was 71.8 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	7	87.5	76.5
2022	26	85.6	76.6
2021	25	85.1	77.2
2020	33	85.3	76.2
2019	3	86.8	78.1
2018	65	82.9	74.8
2017	17	85.8	77.3
2016	52	85.0	75.0
2015	21	85.8	76.9
2014	13	85.8	77.7
2013	45	84.6	76.1
2012	43	84.1	76.6
2011	10	86.3	77.5
2010	6	86.2	78.1
2009	35	85.1	76.2
2008	22	86.1	76.7
2007	53	84.4	75.5
2006	67	83.8	73.8
2005	57	84.2	74.8
2004	63	83.1	75.0
2003	8	86.4	77.7
2002	20	85.8	77.1
2001	70	83.2	73.1
2000	29	86.0	75.9
1999	46	85.9	74.8
1998	54	84.9	74.7
1997	9	86.8	77.1
1996	36	85.3	76.0
1995	1	88.3	78.7
1994	16	87.0	76.1
1993	60	83.6	74.7
1992	72	83.8	71.8
1991	5	87.0	77.4
1990	15	86.4	77.0
1989	14	87.4	76.0
1988	71	83.5	72.2
1987	47	85.0	75.3
1986	50	84.4	75.7
1985	23	86.3	76.4
1984	32	84.4	77.1
1983	68	83.0	74.6
1982	51	84.5	75.6
1981	27	86.0	76.0
1980	24	85.6	77.0
1979	19	86.0	77.1
1978	12	86.7	76.8
1977	61	83.6	74.6
1976	39	84.7	76.2
1975	4	86.7	78.1
1974	44	84.6	76.1
1973	48	84.4	75.9
1972	30	85.3	76.5
1971	34	85.3	76.0
1970	66	82.7	75.0
1969	37	84.8	76.3
1968	58	83.7	75.1
1967	2	87.2	78.4
1966	55	83.8	75.5
1965	18	85.8	77.2
1964	41	84.9	75.9
1963	56	84.7	74.5
1962	59	84.2	74.4
1961	42	85.4	75.5
1960	64	84.0	73.9
1959	49	85.0	75.2
1958	69	83.2	74.3
1953	11	86.7	77.0
1952	38	85.5	75.5
1951	62	85.4	72.7
1950	31	86.1	75.5
1949	40	86.2	74.6
1948	28	86.3	75.6

Weather Station Details

Years	Station	Coordinates
1948–2024	Key West International Airport	location