Peoria, IL: May

31 May 2026: May 2026 averaged 62.5°F in Peoria, IL, the warmest May since 2025, tied 70th warmest of 144 (with 2006 and 1901).

May 2026

Mean temperature: 62.5°F; Warmest since 2025; 70th warmest of 144
Precipitation: 1.25 in; Driest since 2005; 10th driest of 141

A normal May in Peoria, IL (1991 to 2020): a mean temperature of 62.7°F, between 59.3°F and 67.4°F in eight years of ten and 4.97 in of precipitation, between 1.43 in and 8.21 in in eight years of ten.

The mean temperature of every May in Peoria, IL since 1883: 62.5°F in 2026; the highest is 71.7°F, in 2018.

Normal range, 59.3 to 67.4°F

Every year, ranked, as a table

Every May in Peoria, IL from 1883 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	62.5	70	74	62	51	87	1.25	132	0
2025	63.4	57	74.7	54	52.1	68	2.54	101	0
2024	67.9	11	79	11	56.8	8	2.49	102	0
2023	65.5	32	78	17	53	46	1.83	119	0
2022	65.8	29	75.5	44	56.2	14	3.48	78	0
2021	61.2	88	70.6	101	51.7	71	6.35	19	0
2020	60.2	103	69.3	114	51.2	85	5.15	40	0
2019	62.3	76	72.2	85	52.4	63	8.26	6	0
2018	71.7	1	83.3	1	60	2	4.06	62	0
2017	62	79	72.8	73	51.2	85	3.62	72	0
2016	62.9	66	73.4	70	52.4	63	2.86	92	0
2015	66.5	20	76.7	30	56.4	11	5.02	47	0
2014	65.8	29	76.6	32	55	28	1.45	127	0
2013	64	48	73.8	66	54.3	34	10.41	2	0
2012	67.5	13	79.3	9	55.6	18	2.44	103	0
2011	62.4	73	72.6	78	52.1	68	5.75	26	0
2010	63.1	62	72.8	73	53.4	43	8.20	7	0
2009	62.2	77	72.8	73	51.6	73	5.74	27	0
2008	59.3	110	69.8	107	48.7	107	5.21	37	0
2007	67.4	14	78.3	15	56.6	10	2.62	97	0
2006	62.5	70	72.3	83	52.8	53	1.29	130	0
2005	60.8	95	73	72	48.6	109	0.69	140	0
2004	65.3	35	75.2	48	55.4	24	5.44	35	0
2003	60.6	100	71.1	96	50.1	99	3.94	65	0
2002	58.9	115	69.4	112	48.3	118	6.80	16	0
2001	63.8	53	73.7	67	53.8	39	5.33	36	0
2000	64.4	41	74.8	52	54.1	36	4.04	64	0
1999	63.9	50	74	62	53.8	39	4.92	48	0
1998	66.8	18	76.7	30	56.9	7	5.50	33	0
1997	57	135	67.9	130	46.2	134	2.65	96	0
1996	60	104	69	118	50.9	90	7.60	13	0
1995	58.3	122	68.3	124	48.2	119	10.19	3	0
1994	61.6	84	74.5	56	48.8	106	1.52	125	0
1993	63.5	56	74.5	56	52.6	56	3.25	81	0
1992	61	92	73.5	69	48.5	111	0.82	139	0
1991	68	10	77.8	20	58.2	4	5.94	24	0
1990	57.8	128	67	136	48.5	111	6.19	23	0
1989	59	113	70.5	103	47.6	126	2.23	107	0
1988	65.4	34	79.2	10	51.5	76	1.68	123	0
1987	68.4	6	81.1	6	55.7	16	1.69	122	0
1986	63.9	50	75	51	52.9	49	2.95	89	0
1985	64.3	43	76.3	37	52.2	67	3.14	85	0
1984	58.8	117	69.7	109	47.8	123	4.84	50	0
1983	58.6	120	68.6	121	48.6	109	6.66	17	0
1982	68.4	6	79.7	8	57.1	6	3.15	84	0
1981	58.7	119	68.9	120	48.4	115	5.77	25	0
1980	63	64	74.2	60	51.8	70	2.05	113	0
1979	60.5	101	72.7	77	48.2	119	1.96	115	0
1978	60.3	102	69.6	110	50.9	90	7.72	11	0
1977	68.5	5	80.9	7	56.2	14	3.54	76	0
1976	58.1	126	69.5	111	46.8	130	5.11	43	0
1975	64.6	39	76.1	39	53	46	5.19	39	0
1974	59.3	110	68.3	124	50.2	97	6.26	21	0
1973	57.9	127	68.1	126	47.7	125	4.51	55	0
1972	63.2	61	74.8	52	51.6	73	1.30	129	0
1971	57.7	131	69.3	114	46	136	2.80	93	0
1970	64.2	45	75.2	48	53.2	44	3.89	68	0
1969	61.4	86	72.8	73	50	101	2.37	105	0
1968	57.7	131	67.6	131	47.8	123	4.70	51	0
1967	56.4	138	66.8	138	46	136	2.80	93	0
1966	57.1	134	68.6	121	45.6	139	4.50	56	0
1965	66.7	19	78	17	55.3	26	3.85	69	0
1964	66.3	24	77.8	20	54.7	30	1.04	137	0
1963	59	113	70.9	99	47	129	1.24	133	0
1962	68.2	8	78.7	13	57.7	5	5.67	30	0
1961	56.5	137	68	128	45	141	2.19	108	0
1960	57.8	128	67.2	135	48.4	115	6.33	20	0
1959	66.1	27	76.5	34	55.7	16	5.09	44	0
1958	62.7	68	75.3	47	50.1	99	3.32	80	0
1957	61.1	90	70.7	100	51.5	76	7.96	9	0
1956	64.2	45	75.5	44	53	46	5.20	38	0
1955	64.3	43	75.5	44	53.1	45	3.54	76	0
1954	57.5	133	68.1	126	46.8	130	2.59	98	0
1953	61.7	82	72	88	51.3	83	2.16	110	0
1952	60.9	94	71.6	91	50.2	97	3.90	67	0
1951	63.9	50	75.2	48	52.5	60	2.56	99	0
1950	63.6	55	74.6	55	52.6	56	1.45	127	0
1949	64.5	40	76.4	35	52.5	60	1.17	135	0
1948	59.6	108	71.6	91	47.6	126	2.55	100	0
1947	56.9	136	66.9	137	46.8	130	4.63	52	0
1946	58.2	123	67.6	131	48.7	107	5.06	45	0
1945	55.6	141	65.1	143	46.1	135	4.90	49	0
1944	66.3	24	76.3	37	56.3	13	4.12	61	0
1943	58.8	117	67.6	131	50	101	7.35	15	0
1942	61.1	90	71.8	90	50.4	95	3.47	79	0
1941	66.9	16	78.1	16	55.6	18	5.64	31	0
1940	58.9	115	69.3	114	48.5	111	3.55	75	0
1939	66.2	26	77.7	22	54.7	30	4.48	58	0
1938	62.2	77	72.1	87	52.3	66	5.72	29	0
1937	63.1	62	73.4	70	52.9	49	3.22	82	0
1936	67	15	78.7	13	55.4	24	1.72	120	0
1935	55.8	140	64.4	144	47.2	128	8.58	5	0
1934	68.7	4	82.7	2	54.7	30	0.47	141	0
1933	62.9	66	71.9	89	53.8	39	7.97	8	0
1932	63.7	54	75.9	40	51.5	76	3.61	73	0
1931	58.2	123	68.5	123	47.9	122	5.14	42	0
1930	63.3	58	74.1	61	52.5	60	1.07	136	0
1929	59.4	109	69.4	112	49.5	104	5.03	46	0
1928	63.3	58	75.6	43	51	87	3.21	83	0
1927	60	104	69	118	50.9	90	9.22	4	0
1926	64	48	76.8	28	51.3	83	2.18	109	0
1925	57.8	128	70.6	101	45.1	140	1.53	124	0
1924	55.5	143	66.6	140	44.4	144	1.91	116	0
1923	61	92	72.4	80	49.5	104	5.15	40	0
1922	65.7	31	75.8	42	55.5	21	4.60	53	0
1921	65.1	37	76.4	35	53.9	37	2.13	111	0
1920	60.7	97	71.5	94	50	101	3.03	86	0
1919	58.2	123	68	128	48.5	111	3.79	70	0
1918	66.4	22	77.3	24	55.5	21	3.02	87	0
1917	55.6	141	66.6	140	44.5	143	2.40	104	0
1916	61.4	86	71.4	95	51.4	81	7.51	14	0
1915	58.5	121	69.1	117	48	121	11.49	1	0
1914	65	38	77.2	25	52.9	49	2.28	106	0
1913	62.4	73	74	62	50.8	93	1.85	117	0
1912	64.2	45	75.9	40	52.6	56	4.39	59	0
1911	68.2	8	81.3	5	55.1	27	1.03	138	0
1910	56.4	138	66.8	138	46	136	4.49	57	0
1909	59.2	112	70	105	48.4	115	3.72	71	0
1908	62	79	71.1	96	52.9	49	7.76	10	0
1907	55.4	144	66.1	142	44.7	142	2.08	112	1
1906	63	64	74.3	59	51.7	71	2.88	91	0
1905	61.5	85	71.6	91	51.5	76	4.53	54	0
1904	65.9	28	77.9	19	53.9	37	4.06	62	0
1903	66.9	16	76.9	27	56.8	8	4.22	60	0
1902	67.6	12	78.8	12	56.4	11	2.99	88	0
1901	62.5	70	74.4	58	50.8	93	1.50	126	1
1900	65.2	36	76.8	28	53.5	42	5.54	32	0
1899	65.5	32	76.6	32	54.4	33			0
1898	61.9	81	72.3	83	51.5	76			0
1897	60	104	73.6	68	46.5	133	1.29	130	0
1896	71.6	2	82.3	3	61.3	1	5.74	27	2
1895	66.5	20	77.5	23	55.5	21	1.84	118	0
1894	64.4	41	74	62	54.8	29	3.58	74	0
1893	61.2	88	70	105	52.4	63			0
1892	60	104	67.3	134	52.8	53	7.70	12	0
1891	61.7	82	72.4	80	51	87	1.97	114	0
1890	60.8	95	70.2	104	51.4	81	2.74	95	0
1889	62.4	73	72.2	85	52.6	56	3.91	66	0
1888	60.7	97	69.8	107	51.6	73	6.22	22	0
1887	70.2	3	81.8	4	58.7	3	1.24	133	0
1886	66.4	22	77.2	25	55.6	18	2.90	90	0
1885	62.7	68	72.6	78	52.7	55	1.70	121	0
1884	63.3	58	72.4	80	54.2	35	5.50	33	0
1883	60.7	97	71	98	50.4	95	6.54	18	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2018	71.7
1896	71.6
1887	70.2
1934	68.7
1977	68.5
1987	68.4
1982	68.4
1962	68.2
1911	68.2
1991	68

Coldest
Year	Mean, °F
1907	55.4
1924	55.5
1945	55.6
1917	55.6
1935	55.8
1967	56.4
1910	56.4
1961	56.5
1947	56.9
1997	57

Wettest
Year	Precipitation, in
1915	11.49
2013	10.41
1995	10.19
1927	9.22
1935	8.58
2019	8.26
2010	8.20
1933	7.97
1957	7.96
1908	7.76

Driest
Year	Precipitation, in
1934	0.47
2005	0.69
1992	0.82
1911	1.03
1964	1.04
1930	1.07
1949	1.17
1963	1.24
1887	1.24
2026	1.25

The hottest, coldest and wettest days

Hottest day: 89°F; 27 May 2026
Coldest night: 36°F; 7 May 2026
Wettest day: 0.49 in; 18 May 2026

Every month, season and year

Months

Seasons

Years

Peoria, IL the day's answers

All-time records

Every answer in words

May 2026 brought 1.25 in of precipitation in Peoria, IL, the driest May since 2005, 10th driest of 141.
The hottest day of May 2026 in Peoria, IL: 89°F on Wednesday 27 May 2026.
The coldest night of May 2026 in Peoria, IL: a low of 36°F on Thursday 7 May 2026.
The wettest day of May 2026 in Peoria, IL: 0.49 in on Monday 18 May 2026.