Key West, FL: May

31 May 2026: May 2026 averaged 84.7°F in Key West, FL, tying the record for the warmest May, set in 2024, in 154 years since 1873; provisional.

May 2026

Mean temperature: 84.7°F; Ties the record; Warmest of 154, provisional
Precipitation: 1.81 in; Driest since 2025; 55th driest of 156

A normal May in Key West, FL (1991 to 2020): a mean temperature of 80.7°F, between 78.9°F and 82.1°F in eight years of ten and 2.64 in of precipitation, between 0.81 in and 5.45 in in eight years of ten.

The mean temperature of every May in Key West, FL since 1873: 84.7°F in 2026, tied for the highest with 2024.

Normal range, 78.9 to 82.1°F

Every year, ranked, as a table

Every May in Key West, FL from 1871 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	84.7	1	88.5	4	80.9	1	1.81	102	0
2025	82.9	4	86.5	24	79.3	3	1.40	110	0
2024	84.7	1	88.9	2	80.4	2	2.13	97	0
2023	82	13	87.5	9	76.5	32	3.97	47	0
2022	81.1	38	85.6	52	76.6	29	1.72	103	0
2021	81.2	37	85.1	69	77.2	15	3.09	63	0
2020	80.7	50	85.3	62	76.2	39	4.18	44	0
2019	82.5	7	86.8	18	78.1	6	3.51	51	0
2018	78.9	113	82.9	136	74.8	88	14.17	1	0
2017	81.6	24	85.8	43	77.3	14	1.19	116	0
2016	80	83	85	72	75	82	2.87	69	0
2015	81.4	30	85.8	43	76.9	25	1.12	117	0
2014	81.7	20	85.7	50	77.7	9	0.91	126	0
2013	80.3	68	84.6	85	76.1	42	8.84	8	0
2012	80.4	62	84.1	104	76.6	29	4.78	33	0
2011	81.9	16	86.3	30	77.5	11	0.61	141	0
2010	82.1	11	86.2	34	78.1	6	0.49	147	0
2009	80.7	50	85.1	69	76.2	39	3.87	48	0
2008	81.4	30	86.1	35	76.6	29	0.86	129	0
2007	80	83	84.4	94	75.5	62	2.82	70	0
2006	78.8	117	83.8	114	73.8	123	4.30	42	0
2005	79.5	99	84.2	100	74.8	88	1.25	113	0
2004	79.1	109	83.2	128	75	82	0.83	133	0
2003	82	13	86.4	28	77.6	10	2.68	76	0
2002	81.4	30	85.8	43	77.1	18	5.16	30	0
2001	78.2	132	83.2	128	73.1	140	2.40	88	0
2000	80.9	44	86	37	75.9	50	1.27	112	0
1999	80.3	68	85.9	40	74.8	88	2.99	65	0
1998	79.8	92	84.9	76	74.7	92	0.86	129	0
1997	81.9	16	86.8	18	77.1	18	1.00	124	0
1996	80.6	55	85.3	62	76	46	2.60	83	0
1995	83.5	3	88.3	5	78.7	4	0.66	139	0
1994	81.5	25	87	14	76.1	42	3.13	62	0
1993	79.2	107	83.6	122	74.7	92	4.41	38	0
1992	77.8	141	83.8	114	71.8	154	1.60	105	0
1991	82.2	9	86.9	16	77.4	13	8.07	10	0
1990	81.7	20	86.4	28	77	22	5.54	27	0
1989	81.7	20	87.4	11	76	46	2.91	67	0
1988	77.8	141	83.5	124	72.2	151	8.12	9	0
1987	80.2	73	85.1	69	75.3	71	2.39	89	0
1986	80.1	77	84.5	90	75.7	56	0.91	126	0
1985	81.3	33	86.3	30	76.4	34	4.39	39	0
1984	80.7	50	84.4	94	77.1	18	5.79	22	0
1983	78.8	117	83	134	74.6	98	2.24	94	0
1982	80.1	77	84.5	90	75.6	59	5.78	23	0
1981	81	40	86	37	76	46	0.55	143	0
1980	81.3	33	85.6	52	77	22	2.14	96	0
1979	81.5	25	85.9	40	77.1	18	2.20	95	0
1978	81.8	19	86.7	20	76.8	26	9.45	7	0
1977	79.1	109	83.6	122	74.6	98	10.10	4	0
1976	80.5	57	84.7	82	76.2	39	2.65	78	0
1975	82.4	8	86.6	21	78.1	6	1.36	111	0
1974	80.4	62	84.6	85	76.1	42	3.45	54	0
1973	80.1	77	84.4	94	75.9	50	0.82	134	0
1972	80.9	44	85.3	62	76.5	32	2.64	81	0
1971	80.7	50	85.3	62	76	46	4.37	41	0
1970	78.9	113	82.7	141	75	82	2.63	82	0
1969	80.5	57	84.8	80	76.3	37	3.02	64	0
1968	79.4	103	83.7	120	75.1	81	8.00	11	0
1967	82.8	6	87.2	13	78.4	5	0.67	138	0
1966	79.7	97	83.8	114	75.5	62	2.77	72	0
1965	81.5	25	85.8	43	77.2	15	0.69	137	0
1964	80.4	62	84.9	76	75.9	50	0.96	125	0
1963	79.6	98	84.7	82	74.5	101	3.41	55	0
1962	79.3	105	84.2	100	74.4	104	1.41	108	0
1961	80.4	62	85.4	60	75.5	62	2.37	90	0
1960	79	112	84	107	73.9	120	12.90	3	0
1959	80.1	77	85	72	75.2	75	2.32	91	0
1958	78.8	117	83.2	128	74.3	109	2.65	78	0
1957	80.6	55	87	14	74.2	113	5.83	21	0
1956	81.9	16	88.6	3	75.2	75	2.42	86	0
1955	81.1	38	87.8	8	74.4	104	0.49	147	0
1954	80.1	77	86	37	74.2	113	2.94	66	0
1953	82.2	9	88.1	7	76.4	34	2.27	93	0
1952	81	40	86.9	16	75	82	0.74	136	0
1951	80.3	68	86.6	21	74	118	0.06	154	0
1950	81.5	25	88.2	6	74.7	92	1.10	118	0
1949	80.8	47	85.7	50	75.9	50	1.01	122	0
1948	80.8	47	85.8	43	75.7	56	0.88	128	0
1947	80.5	57	85.8	43	75.3	71	4.05	45	0
1946	82	13	86.5	24	77.5	11	2.05	100	0
1945	79.8	92	84.6	85	75	82	0.04	155	0
1944	78.8	117	83.9	112	73.7	125	3.24	59	0
1943	80.5	57	85	72	75.9	50	1.71	104	0
1942	79.9	88	85.3	62	74.5	101	1.07	120	0
1941	78	137	82.9	136	73	144	0.14	152	0
1940	78.1	134	83.8	114	72.4	150	1.93	101	0
1939	79.5	99	84.9	76	74.1	116	2.71	74	0
1938	80.8	47	86.3	30	75.4	70	1.24	114	0
1937	78.8	117	84.2	100	73.4	132	9.63	5	0
1936	78.6	126	84	107	73.2	137	3.51	51	0
1935	82.1	11	87.5	9	76.7	27	0.50	146	0
1934	80.3	68	85.8	43	74.7	92	4.70	35	0
1933	81.7	20	86.5	24	77	22	1.47	107	0
1932	78.6	126	84.5	90	72.8	146	5.96	19	0
1931	78.6	126	83.9	112	73.3	136	2.41	87	0
1930	79.9	88	84.6	85	75.2	75	3.23	60	0
1929	80.4	62	85.6	52	75.2	75	5.95	20	0
1928	77.9	138	83.1	132	72.7	147	1.50	106	0
1927	81.5	25	86.6	21	76.4	34	trace	156	0
1926	78.7	125	84.2	100	73.2	137	5.75	24	0
1925	78.5	129	83.7	120	73.2	137	4.76	34	0
1924	80.2	73	85.9	40	74.4	104	2.12	98	0
1923	78.8	117	83.8	114	73.9	120	5.67	25	0
1922	79.3	105	84.4	94	74.3	109	5.01	32	0
1921	78.1	134	82.9	136	73.4	132	1.24	114	0
1920	79.1	109	84	107	74.3	109	3.18	61	0
1919	79.2	107	84.4	94	74.1	116	6.81	17	0
1918	77.8	141	82.5	143	73.1	140	5.19	29	0
1917	77.8	141	82.8	140	72.7	147	2.06	99	0
1916	78.9	113	84	107	73.8	123	2.69	75	0
1915	80.1	77	85.4	60	74.7	92	7.61	13	0
1914	78.9	113	83.8	114	74	118	3.41	55	0
1913	77.8	141	83.5	124	72.2	151	3.46	53	0
1912	80.9	44	85.5	57	76.3	37	6.96	16	0
1911	77.5	150	82.9	136	72.2	151	2.88	68	0
1910	78.5	129	83.5	124	73.4	132	0.86	129	0
1909	79.9	88	85	72	74.8	88	6.70	18	0
1908	80.4	62	85.6	52	75.2	75	0.60	142	0
1907	80.7	50	85.5	57	75.9	50	3.52	50	0
1906	78.8	117	83.1	132	74.4	104	5.23	28	0
1905	81.3	33	85.3	62	77.2	15	0.54	144	0
1904	77.7	148	82.4	145	73.1	140	13.01	2	0
1903	77.7	148	81.6	151	73.7	125	0.76	135	0
1902	80	83	84	107	76.1	42	0.28	150	0
1901	77.1	153	81.6	151	72.6	149	2.74	73	0
1900	77.4	152	81.3	153	73.5	131	9.55	6	0
1899	79.8	92	84.1	104	75.6	59	0.64	140	0
1898	78.2	132	82.3	146	74.2	113	3.26	58	0
1897	77.9	138	81.8	150	73.9	120	4.38	40	0
1896	79.4	103	83.3	127	75.5	62	0.54	144	0
1895	79.9	88	84.3	99	75.5	62	1.41	108	0
1894	77.9	138	82.5	143	73.4	132	4.53	36	0
1893	79.8	92	84.1	104	75.5	62	2.28	92	0
1892	78.1	134	82.6	142	73.7	125	0.84	132	0
1891	76.9	154	80.7	154	73.1	140	0.24	151	0
1890	78.8	117	83	134	74.6	98	3.84	49	0
1889	77.8	141	81.9	149	73.6	129	1.08	119	0
1888	77.8	141	82	148	73.6	129	2.65	78	0
1887	77.5	150	82.1	147	73	144	2.48	84	0
1886	80	83	84.7	82	75.2	75	0.11	153	0
1885	81	40	86.3	30	75.7	56	2.48	84	0
1884	81.3	33	87.4	11	75.3	71	0.35	149	0
1883	79.5	99	84.5	90	74.5	101	5.58	26	0
1882	80.2	73	85.6	52	74.9	87	7.46	14	0
1881	81	40	86.5	24	75.6	59	4.01	46	0
1880	80	83	84.6	85	75.5	62	7.84	12	0
1879	79.5	99	84.8	80	74.3	109	5.11	31	0
1878	80.5	57	85.5	57	75.5	62	2.66	77	0
1877	78.4	131	83.2	128	73.7	125	4.53	36	0
1876	80.2	73	85.2	68	75.3	71	3.32	57	0
1875	79.8	92	84.9	76	74.7	92	4.27	43	0
1874	80.3	68	86.1	35	74.4	104	2.78	71	1
1873	82.9	4	89	1	76.7	27	1.02	121	0
1872							1.01	122	31
1871							7.22	15	31

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2026	84.7
2024	84.7
1995	83.5
2025	82.9
1873	82.9
1967	82.8
2019	82.5
1975	82.4
1991	82.2
1953	82.2

Coldest
Year	Mean, °F
1891	76.9
1901	77.1
1900	77.4
1911	77.5
1887	77.5
1904	77.7
1903	77.7
1992	77.8
1988	77.8
1918	77.8
More years share the last value

Wettest
Year	Precipitation, in
2018	14.17
1904	13.01
1960	12.90
1977	10.10
1937	9.63
1900	9.55
1978	9.45
2013	8.84
1988	8.12
1991	8.07

Driest
Year	Precipitation, in
1927	trace
1945	0.04
1951	0.06
1886	0.11
1941	0.14
1891	0.24
1902	0.28
1884	0.35
2010	0.49
1955	0.49

The hottest, coldest and wettest days

Hottest day: 92°F; 8 May 2026
Coldest night: 76°F; 6 May 2026
Wettest day: 0.40 in; 20 May 2026

Every month, season and year

Months

Seasons

Years

Key West, FL the day's answers

All-time records

Every answer in words

May 2026 brought 1.81 in of precipitation in Key West, FL, the driest May since 2025, 55th driest of 156.
The hottest day of May 2026 in Key West, FL: 92°F on Friday 8 May 2026.
The coldest night of May 2026 in Key West, FL: a low of 76°F on Wednesday 6 May 2026.
The wettest day of May 2026 in Key West, FL: 0.40 in on Wednesday 20 May 2026.