Hartford, CT: May

31 May 2026: May 2026 averaged 59.4°F in Hartford, CT, the coldest May since 2023, 58th coldest of 122.

May 2026

Mean temperature: 59.4°F; Coldest since 2023; 58th coldest of 122
Precipitation: 3.19 in; Driest since 2024; 53rd driest of 122

A normal May in Hartford, CT (1991 to 2020): a mean temperature of 59.7°F, between 57.1°F and 63.9°F in eight years of ten and 3.40 in of precipitation, between 2.05 in and 5.43 in in eight years of ten.

The mean temperature of every May in Hartford, CT since 1905: 59.4°F in 2026; the lowest is 51°F, in 1917.

Normal range, 57.1 to 63.9°F

Every year, ranked, as a table

Every May in Hartford, CT from 1905 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
2026	59.4	65	70.6	63	48.2	61	3.19	69
2025	60.5	40	70.2	70	50.8	17	8.23	3
2024	65.2	3	76.4	10	54	2	3.19	69
2023	59.1	66	73.4	26	44.9	112	3.00	80
2022	63.9	9	75.1	13	52.7	5	2.88	82
2021	59.8	54	71.5	49	48	67	5.83	15
2020	58.4	75	70.5	65	46.2	94	1.62	111
2019	60.1	46	70.2	70	49.9	29	4.62	31
2018	64.4	5	76.5	8	52.3	8	2.48	91
2017	58.3	78	68.4	87	48.2	61	4.59	34
2016	60.4	42	71.9	43	48.9	45	2.47	92
2015	66	1	79.7	1	52.4	7	1.33	114
2014	60.7	39	71.9	43	49.5	35	4.46	37
2013	60.3	44	73.4	26	47.3	76	6.36	10
2012	63.8	10	74	19	53.6	3	3.27	66
2011	62	20	72.4	35	51.7	13	3.99	47
2010	63.3	13	76.5	8	50.1	26	2.31	96
2009	59	68	70.3	68	47.8	70	3.43	61
2008	57.6	90	69.7	78	45.5	107	2.63	87
2007	62	20	75.3	11	48.8	48	3.73	52
2006	58.7	74	68.9	82	48.6	53	7.23	6
2005	54.5	118	65	117	44.1	118	2.07	104
2004	61.5	27	73.2	28	49.8	30	3.16	71
2003	56.9	103	67.3	104	46.4	89	4.95	25
2002	57.1	96	68.6	84	45.6	105	5.33	22
2001	59.5	62	71.5	49	47.5	73	4.71	28
2000	59.5	62	70.7	61	48.4	56	4.45	38
1999	59.9	50	72.1	41	47.7	72	3.23	67
1998	62.9	15	74.9	14	50.9	16	7.84	4
1997	56.1	110	66.3	112	45.9	103	3.37	62
1996	58.3	78	70	75	46.6	84	2.98	81
1995	57.9	88	69.3	80	46.6	84	2.63	87
1994	58.2	81	70.3	68	46.2	94	4.12	45
1993	61.2	34	73.7	22	48.7	50	1.92	107
1992	58.4	75	71.8	46	45.1	110	3.21	68
1991	65.8	2	78.5	3	53.1	4	5.18	24
1990	56.7	105	67.2	105	46.2	94	6.38	9
1989	60.3	44	71.4	54	49.3	37	12.00	1
1988	59.7	57	71.1	58	48.3	59	3.46	59
1987	60.8	38	73.6	24	47.9	68	2.18	101
1986	61.7	25	74	19	49.4	36	2.28	97
1985	60.5	40	72.9	32	48.2	61	2.77	85
1984	55.9	113	67.4	101	44.5	116	11.55	2
1983	56.8	104	67.4	101	46.2	94	4.82	26
1982	61.4	30	73.6	24	49.1	41	3.30	64
1981	61.6	26	74.3	16	48.9	45	2.17	102
1980	61	37	73.2	28	48.8	48	1.65	110
1979	64.1	8	73.8	21	54.3	1	3.48	58
1978	59.9	50	71.1	58	48.6	53	4.61	32
1977	63.5	11	77.8	5	49.3	37	3.70	53
1976	58.4	75	71.2	56	45.6	105	4.45	38
1975	64.5	4	77.1	6	52	12	3.29	65
1974	56.6	106	68	91	45.1	110	3.03	77
1973	58	84	68.5	86	47.4	75	5.95	13
1972	60.1	46	71.6	48	48.6	53	7.49	5
1971	58.1	83	69.5	79	46.6	84	4.08	46
1970	61.5	27	72.5	34	50.5	21	3.59	56
1969	58.8	73	71.5	49	46	100	3.13	74
1968	58.2	81	70.1	73	46.3	93	3.93	49
1967	53.6	120	64.3	118	43	120	6.34	11
1966	56.4	108	67.9	95	44.9	112	3.01	79
1965	64.4	5	78.8	2	50	28	1.20	118
1964	62.6	16	77.9	4	47.3	76	0.87	120
1963	58	84	71.8	46	44.3	117	2.28	97
1962	58.9	69	71.2	56	46.5	88	2.25	99
1961	56	112	67.2	105	44.8	114	4.37	42
1960	60	48	71.5	49	48.4	56	3.02	78
1959	61.8	23	74.6	15	48.9	45	0.73	122
1958	55	117	65.4	116	44.7	115	3.13	74
1957	58.9	69	71.4	54	46.4	89	1.69	109
1956	54.4	119	66.8	109	42.1	122	1.83	108
1955	62	20	75.3	11	48.7	50	0.78	121
1954	57	100	67.4	101	46.6	84	3.90	50
1953	60.4	42	71	60	49.8	30	4.63	30
1952	56.6	106	68	91	45.2	109	4.42	40
1951	59.8	54	72.4	35	47.1	80	4.23	43
1950	57.2	95	68.1	90	46.4	89	2.82	83
1949	59.7	57	71.9	43	47.5	73	5.63	18
1948	57.4	93	67	108	47.8	70	4.81	27
1947	57.1	96	68.2	89	46	100	3.10	76
1946	57.1	96	68.4	87	45.8	104	5.87	14
1945	55.6	115	65.7	114	45.5	107	6.01	12
1944	64.2	7	77.1	6	51.4	15	1.23	116
1943	59.5	62	70.1	73	49	44	5.31	23
1942	62.2	19	72.1	41	52.3	8	3.89	51
1941	59.6	61	73	30	46.1	99	3.14	72
1940	58	84	68	91	48.1	66	7.04	7
1939	61.8	23	73	30	50.6	20	0.96	119
1938	57.5	91	67.8	96	47.3	76	4.66	29
1937	61.5	27	72.6	33	50.3	24	4.13	44
1936	61.3	33	72.4	35	50.1	26	2.39	93
1935	57.1	96	67.6	98	46.7	82	1.60	112
1934	61.4	30	72.4	35	50.5	21	5.53	19
1933	62.3	17	72.3	39	52.2	10	1.59	113
1932	59.9	50	70.6	63	49.3	37	2.13	103
1931	60	48	70.2	70	49.8	30	5.50	20
1930	61.1	35	71.5	49	50.7	19	4.57	36
1929	59.7	57	70.7	61	48.7	50	4.41	41
1928	57.4	93	66.5	111	48.4	56	1.97	106
1927	56.1	110	64.3	118	47.9	68	5.80	16
1926	57	100	67.5	100	46.4	89	2.24	100
1925	57	100	67.8	96	46.2	94	2.36	94
1924	55.6	115	64	120	47.3	76	3.70	53
1923	58	84	68.9	82	47.1	80	2.33	95
1922	62.3	17	73.7	22	50.8	17	5.42	21
1921	59.8	54	70.5	65	49.1	41	2.82	83
1920	56.4	108	66.1	113	46.7	82	3.53	57
1919	59.9	50	70	75	49.8	30	5.70	17
1918	63.4	12	74.3	16	52.6	6	3.46	59
1917	51	122	59.1	122	42.9	121	3.66	55
1916	58.9	69	68	91	49.7	34	3.14	72
1915	55.8	114	65.6	115	46	100	2.53	89
1914	61.4	30	72.3	39	50.5	21	2.71	86
1913	57.7	89	67.1	107	48.2	61	3.99	47
1912	59.7	57	69.3	80	50.2	25	4.59	34
1911	63.2	14	74.3	16	52.2	10	1.22	117
1910	58.3	78	67.6	98	49.1	41	2.49	90
1909	57.5	91	66.8	109	48.2	61	1.99	105
1908	61.1	35	70.5	65	51.7	13	6.52	8
1907	53.1	121	62.2	121	43.9	119	3.35	63
1906	59.1	66	70	75	48.3	59	4.60	33
1905	58.9	69	68.6	84	49.2	40	1.25	115

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2015	66
1991	65.8
2024	65.2
1975	64.5
2018	64.4
1965	64.4
1944	64.2
1979	64.1
2022	63.9
2012	63.8

Coldest
Year	Mean, °F
1917	51
1907	53.1
1967	53.6
1956	54.4
2005	54.5
1958	55
1945	55.6
1924	55.6
1915	55.8
1984	55.9

Wettest
Year	Precipitation, in
1989	12.00
1984	11.55
2025	8.23
1998	7.84
1972	7.49
2006	7.23
1940	7.04
1908	6.52
1990	6.38
2013	6.36

Driest
Year	Precipitation, in
1959	0.73
1955	0.78
1964	0.87
1939	0.96
1965	1.20
1911	1.22
1944	1.23
1905	1.25
2015	1.33
1933	1.59

The hottest, coldest and wettest days

Hottest day: 96°F; 19 May 2026
Coldest night: 36°F; 31 May 2026
Wettest day: 0.94 in; 24 May 2026

Every month, season and year

Months

Seasons

Years

Hartford, CT the day's answers

All-time records

Every answer in words

May 2026 brought 3.19 in of precipitation in Hartford, CT, the driest May since 2024, tied 53rd driest of 122 (with 2024).
The hottest day of May 2026 in Hartford, CT: 96°F on Tuesday 19 May 2026.
The coldest night of May 2026 in Hartford, CT: a low of 36°F on Sunday 31 May 2026.
The wettest day of May 2026 in Hartford, CT: 0.94 in on Sunday 24 May 2026.