Chicago, IL: May

31 May 2026: May 2026 averaged 60.1°F in Chicago, IL, the warmest May since 2024, tied 49th warmest of 154 (with 1985).

May 2026

Mean temperature: 60.1°F; Warmest since 2024; 49th warmest of 154
Precipitation: 1.17 in; Driest since 2023; 10th driest of 156

A normal May in Chicago, IL (1991 to 2020): a mean temperature of 59.8°F, between 55.5°F and 64.8°F in eight years of ten and 4.43 in of precipitation, between 1.83 in and 7.36 in in eight years of ten.

The mean temperature of every May in Chicago, IL since 1873: 60.1°F in 2026; the highest is 69.2°F, in 1977.

Normal range, 55.5 to 64.8°F

Every year, ranked, as a table

Every May in Chicago, IL 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	60.1	49	70.5	48	49.6	69	1.17	147	0
2025	58	87	67.7	79	48.4	97	1.35	145	0
2024	64.8	12	75.2	13	54.5	13	4.06	58	0
2023	62.4	26	73.8	21	51	41	0.71	153	0
2022	63.7	21	72.2	30	55.2	10	3.47	77	0
2021	60.2	48	69.7	56	50.8	47	1.79	131	0
2020	59.9	54	69.1	59	50.7	49	9.51	1	0
2019	58	87	67.5	84	48.5	95	8.25	2	0
2018	66.1	3	76.4	7	55.9	7	8.21	3	0
2017	57.9	89	67.7	79	48	104	3.28	84	0
2016	59.7	59	70.1	53	49.4	74	5.43	22	0
2015	60.4	46	70	54	50.7	49	4.66	42	0
2014	60.4	46	71	42	49.7	65	4.98	35	0
2013	61	40	71.2	40	50.7	49	4.96	37	0
2012	65.6	7	76.5	6	54.6	12	4.38	50	0
2011	57.9	89	67.8	77	48	104	7.27	6	0
2010	61.7	31	71.2	40	52.2	29	4.90	38	0
2009	59.9	54	70.6	47	49.1	78	3.63	73	0
2008	55.5	119	66.2	98	44.8	143	4.10	57	0
2007	63.8	20	75.5	11	52	30	1.80	130	0
2006	59.6	63	69.7	56	49.5	72	3.65	71	0
2005	57.1	99	67.8	77	46.4	125	1.99	121	0
2004	60	51	70.9	45	49.1	78	7.22	7	0
2003	56.2	111	66	101	46.5	124	5.29	25	0
2002	55.2	124	65.2	107	45.2	140	4.39	49	0
2001	60	51	70.2	50	49.8	64	3.34	83	0
2000	62	30	72.1	31	51.9	31	4.02	60	0
1999	61.6	33	72.4	29	50.9	46	4.46	47	0
1998	64.7	13	75.4	12	54.1	18	3.02	95	0
1997	53.8	139	63.9	122	43.6	151	2.69	103	0
1996	55	127	64.4	118	45.6	136	6.95	12	0
1995	58.7	74	68.7	65	48.8	89	4.47	46	0
1994	58.2	82	70.8	46	45.6	136	0.58	155	0
1993	59.7	59	71.6	37	47.8	107	1.83	127	0
1992	56.9	102	70.2	50	43.5	152	0.30	156	0
1991	65.6	7	76	8	55.1	11	5.20	28	0
1990	56.2	111	65.5	104	46.9	115	6.85	13	0
1989	57.8	91	68.7	65	46.9	115	1.59	135	0
1988	61	40	74.5	16	47.5	109	1.19	146	0
1987	63.4	23	75.7	10	51	41	2.21	109	0
1986	59.4	67	69.4	58	49.5	72	3.11	92	0
1985	60.1	49	72.5	28	47.8	107	2.79	101	0
1984	55.5	119	66.5	96	44.5	145	4.49	45	0
1983	53.2	145	63.8	125	42.6	153	6.26	16	0
1982	64.3	16	76.7	4	51.8	33	2.08	116	0
1981	55.3	123	66.6	94	44	149	5.85	19	0
1980	59.7	59	71.9	34	47.5	109	3.22	86	0
1979	59.5	65	69.9	55	49.2	76	2.00	120	0
1978	58.9	72	68.1	72	49.6	69	3.09	93	0
1977	69.2	1	81.2	1	57.3	3	1.39	142	0
1976	56.5	109	66.2	98	46.8	117	4.00	61	0
1975	63	25	73.3	25	52.6	27	5.31	24	0
1974	56.8	104	65.3	106	48.4	97	5.98	18	0
1973	55.7	117	65	112	46.4	125	4.17	55	0
1972	61.6	33	72	33	51.3	37	2.88	99	0
1971	57.5	95	68.8	64	46.3	127	1.98	123	0
1970	63.3	24	73.8	21	52.8	26	4.18	54	0
1969	61.2	38	71.9	34	50.5	53	4.04	59	0
1968	58.2	82	67.7	79	48.8	89	2.06	119	0
1967	54.8	130	64.2	119	45.4	139	1.39	142	0
1966	55.5	119	64.7	115	46.3	127	5.78	20	0
1965	64	18	74.6	15	53.3	23	1.47	141	0
1964	66	4	77.5	2	54.5	13	1.74	133	0
1963	58.6	76	69	61	48.3	99	2.17	112	0
1962	67	2	77	3	57.1	5	2.90	97	0
1961	57.2	96	67	89	47.4	111	1.53	139	0
1960	58.6	76	67.5	84	49.7	65	2.83	100	0
1959	65.8	6	75.9	9	55.7	8	3.87	67	0
1958	61.6	33	73.1	27	50.2	59	3.12	91	0
1957	58.8	73	67.9	75	49.6	69	3.21	87	0
1956	60.5	44	71	42	50	61	3.06	94	0
1955	63.7	21	75.1	14	52.4	28	3.86	68	0
1954	57	101	67.5	84	46.6	121	1.75	132	0
1953	61	40	71.5	38	50.5	53	2.43	105	0
1952	58.6	76	68.4	70	48.9	86	3.18	88	0
1951	62.1	29	73.3	25	50.8	47	4.90	38	0
1950	60.5	44	71.9	34	49.1	78	0.78	152	0
1949	61.5	36	73.6	23	49.4	74	2.46	104	0
1948	55	127	65.1	110	44.8	143	4.80	40	0
1947	53.8	139	63.8	125	43.8	150	3.97	63	0
1946	56.9	102	67	89	46.8	117	3.54	75	0
1945	54.1	135	63.7	127	44.5	145	7.59	4	0
1944	64.4	15	74.4	19	54.4	15	4.36	52	0
1943	56.6	108	65	112	48.2	101	7.08	10	0
1942	59.5	65	68.6	69	50.4	55	4.50	44	0
1941	62.4	26	71.3	39	53.5	21	3.42	79	0
1940	54.1	135	61.1	142	47.1	114	5.16	29	0
1939	61.3	37	71	42	51.7	34	3.66	70	0
1938	58.3	80	66.6	94	50	61	3.98	62	0
1937	57.8	91	65.8	103	49.7	65	1.64	134	0
1936	64.5	14	73.5	24	55.4	9	2.08	116	0
1935	52	152	58	154	46.1	129	7.09	9	0
1934	65.2	10	76.6	5	53.8	20	0.67	154	0
1933	60	51	66.7	92	53.3	23	5.03	34	0
1932	59.6	63	67.7	79	51.6	36	2.89	98	0
1931	55.6	118	63.1	131	48.1	103	5.08	32	0
1930	61.2	38	69	61	53.4	22	2.16	113	0
1929	56.8	104	65.1	110	48.5	95	2.29	107	0
1928	58.1	84	66.2	98	50	61	1.59	135	0
1927	56.8	104	64.5	116	49.1	78	4.40	48	0
1926	58.3	80	68	73	48.7	93	2.73	102	0
1925	54.7	131	63.3	129	46.1	129	1.59	135	0
1924	54.4	133	62.1	134	46.6	121	2.30	106	0
1923	54.4	133	61.5	138	47.3	112	3.46	78	0
1922	63.9	19	70.2	50	57.5	2	3.18	88	0
1921	61.7	31	69.1	59	54.3	16	0.80	151	0
1920	55.4	122	61.8	136	49.1	78	1.81	128	0
1919	55.2	124	61.3	140	49.2	76	3.84	69	0
1918	64.2	17	74.2	20	53.9	19	4.57	43	1
1917	52.7	148	59.5	149	45.8	133	3.41	80	0
1916	59.3	68	66.9	91	51.7	34	2.93	96	0
1915	54.1	135	60.3	147	47.9	106	7.04	11	0
1914	62.3	28	70.4	49	54.2	17	5.22	26	0
1913	57.6	94	65.2	107	50.1	60	4.38	50	0
1912	59.9	54	68.7	65	51.1	40	3.97	63	0
1911	65.9	5	74.5	16	57.3	3	3.37	81	0
1910	53.4	141	60.1	148	46.8	117	4.67	41	0
1909	55.9	116	62.9	132	48.9	86	2.18	110	0
1908	58.7	74	66.4	97	51	41	6.74	15	0
1907	51.6	153	59.2	150	44.1	148	3.50	76	0
1906	59.7	59	68.3	71	51.2	39	2.09	114	0
1905	56.5	109	64.2	119	48.7	93	5.14	30	0
1904	57.2	96	65.2	107	49.1	78	1.54	138	0
1903	59.8	58	67.7	79	51.9	31	0.93	149	0
1902	58.5	79	66.7	92	50.4	55	5.08	32	0
1901	54.1	135	61	144	47.2	113	2.18	110	0
1900	58.1	84	67.1	87	49.1	78	3.59	74	0
1899	59	71	67.1	87	51	41	4.35	53	0
1898	56.1	113	63.5	128	48.8	89	2.23	108	0
1897	55	127	63.3	129	46.6	121	0.84	150	0
1896	65.6	7	74.5	16	56.8	6	4.16	56	0
1895	59.1	70	67.9	75	50.4	55	1.99	121	0
1894	56.1	113	64	121	48.2	101	3.35	82	0
1893	52.5	149	59.2	150	45.7	134	1.93	124	0
1892	52.4	150	58.7	152	46	132	6.77	14	0
1891	53.4	141	61.1	142	45.7	134	2.09	114	0
1890	53.4	141	61.5	138	45.2	140	5.13	31	0
1889	56.8	104	64.5	116	49.1	78	5.38	23	0
1888	53.1	146	61.3	140	44.9	142	6.22	17	0
1887	59.9	54	68.7	65	51	41	1.38	144	0
1886	57.2	96	65.5	104	48.8	89	1.00	148	0
1885	53.3	144	60.5	145	46.1	129	3.17	90	0
1884	56.1	113	63.9	122	48.3	99	1.53	139	0
1883	53	147	60.5	145	45.5	138	7.32	5	0
1882	51.4	154	58.5	153	44.4	147	5.52	21	0
1881	61	40	68.9	63	53.2	25	1.85	125	0
1880	65	11	72.1	31	57.9	1	4.97	36	0
1879	57.8	91	66	101	49.7	65	3.89	66	0
1878	55.2	124	61.6	137	48.9	86	5.22	26	0
1877	57.1	99	63.9	122	50.4	55	1.81	128	0
1876	59.3	68	68	73	50.7	49	1.85	125	0
1875	54.7	131	62.5	133	46.8	117	3.64	72	0
1874	58.1	84	65	112	51.3	37	2.08	116	0
1873	52.1	151	61.9	135	42.3	154	7.20	8	0
1872							3.24	85	31
1871							3.90	65	31

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1977	69.2
1962	67
2018	66.1
1964	66
1911	65.9
1959	65.8
2012	65.6
1991	65.6
1896	65.6
1934	65.2

Coldest
Year	Mean, °F
1882	51.4
1907	51.6
1935	52
1873	52.1
1892	52.4
1893	52.5
1917	52.7
1883	53
1888	53.1
1983	53.2

Wettest
Year	Precipitation, in
2020	9.51
2019	8.25
2018	8.21
1945	7.59
1883	7.32
2011	7.27
2004	7.22
1873	7.20
1935	7.09
1943	7.08

Driest
Year	Precipitation, in
1992	0.30
1994	0.58
1934	0.67
2023	0.71
1950	0.78
1921	0.80
1897	0.84
1903	0.93
1886	1.00
2026	1.17

The hottest, coldest and wettest days

Hottest day: 87°F; 17 May 2026
Coldest night: 32°F; 2 May 2026
Wettest day: 0.44 in; 24 May 2026

Every month, season and year

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Chicago, IL the day's answers

All-time records

Every answer in words

May 2026 brought 1.17 in of precipitation in Chicago, IL, the driest May since 2023, 10th driest of 156.
The hottest day of May 2026 in Chicago, IL: 87°F on Sunday 17 May 2026.
The coldest night of May 2026 in Chicago, IL: a low of 32°F on Saturday 2 May 2026.
The wettest day of May 2026 in Chicago, IL: 0.44 in on Sunday 24 May 2026.