Average March 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 March each year between 1948 and 2024. It is based on NOAA data.

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What Was the Hottest March Ever in Key West?

1948 was the warmest March in the history of Key West, Florida. The average daily high temperature was 82.7 °F, and the average low was 73.3 °F.

What Was the Coldest March Ever in Key West?

2010 was the coolest March in the history of Key West, Florida. The average daily high temperature was 72.6 °F, and the average low was 62.9 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2024	3	81.7	73.5
2023	4	81.8	73.2
2022	11	80.8	72.2
2021	18	80.5	71.5
2020	6	81.6	73.2
2019	16	80.8	71.3
2018	56	77.5	66.7
2017	35	79.6	69.7
2016	30	79.7	70.8
2015	9	81.5	72.2
2014	43	78.7	68.7
2013	71	74.4	64.5
2012	13	80.5	72.3
2011	41	79.1	69.0
2010	73	72.6	62.9
2009	51	77.8	68.2
2008	32	79.9	70.2
2007	34	79.3	70.1
2006	49	78.3	68.1
2005	57	77.1	66.8
2004	44	78.2	68.8
2003	2	82.9	72.7
2002	27	80.5	70.3
2001	40	79.7	68.5
2000	25	81.7	69.6
1999	59	77.9	65.9
1998	66	75.3	65.9
1997	5	82.3	72.5
1996	68	75.2	64.6
1995	42	79.5	68.2
1994	37	80.4	68.6
1993	60	77.4	66.4
1992	47	78.5	68.2
1991	23	81.2	70.2
1990	33	79.8	70.1
1989	38	79.6	68.9
1988	58	76.9	66.9
1987	50	77.8	68.2
1986	61	77.2	65.7
1985	29	79.9	70.7
1984	54	78.0	67.4
1983	70	74.4	65.0
1982	7	81.7	72.5
1981	62	76.1	65.8
1980	31	80.0	70.4
1979	53	77.9	67.7
1978	65	76.2	65.2
1977	14	80.3	72.5
1976	8	81.1	73.0
1975	12	80.7	72.2
1974	21	80.1	71.5
1973	22	79.9	71.6
1972	26	80.0	70.8
1971	55	77.9	66.9
1970	52	76.6	69.1
1969	72	73.2	64.5
1968	64	76.2	65.3
1967	19	80.3	71.4
1966	63	75.4	66.4
1965	10	80.9	72.2
1964	20	80.4	71.2
1963	28	80.1	70.6
1962	46	78.3	68.6
1961	24	80.5	70.8
1960	69	75.1	64.5
1959	48	78.4	68.2
1958	67	75.8	65.1
1953	15	81.5	71.0
1952	17	81.4	70.6
1951	45	78.9	67.9
1950	36	79.9	69.3
1949	39	79.7	68.5
1948	1	82.7	73.3

Weather Station Details

Years	Station	Coordinates
1948–2024	Key West International Airport	location