Peoria, IL: January

31 January 2026: January 2026 averaged 23.1°F in Peoria, IL, the coldest January since 2025, tied 54th coldest of 141 (with 1974).

January 2026

Mean temperature: 23.1°F; Coldest since 2025; 54th coldest of 141
Precipitation: 1.38 in; Driest since 2025; 60th driest of 142

A normal January in Peoria, IL (1991 to 2020): a mean temperature of 24.8°F, between 19.1°F and 30.6°F in eight years of ten and 1.99 in of precipitation, between 0.76 in and 3.45 in in eight years of ten.

The mean temperature of every January in Peoria, IL since 1883: 23.1°F in 2026; the lowest is 8.5°F, in 1977.

Normal range, 19.1 to 30.6°F

Every year, ranked, as a table

Every January 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	23.1	87	31.4	82	14.7	89	1.38	83	0
2025	22.7	91	31.4	82	14	95	1.00	104	0
2024	25.5	66	30.7	92	20.4	35	3.26	19	0
2023	33	6	38.8	16	27.1	3	1.71	63	0
2022	20.7	103	30.8	89	10.7	117	0.76	116	0
2021	28.4	32	33.8	61	22.9	23	2.68	29	0
2020	29.7	25	36.4	33	23	22	3.44	15	0
2019	22.5	93	30.8	89	14.2	92	2.65	30	0
2018	23.8	79	33.2	72	14.4	91	1.74	60	0
2017	30.5	20	37.3	26	23.6	19	1.57	74	0
2016	26.6	55	34.6	52	18.5	54	0.76	116	0
2015	25.9	63	33.8	61	18	63	2.22	41	0
2014	18.2	122	27.4	116	9	127	2.10	43	0
2013	27.9	38	37.2	27	18.5	54	3.83	12	0
2012	31	17	40.5	6	21.5	29	1.20	93	0
2011	20.9	102	27.6	114	14.1	94	0.78	114	0
2010	19.6	109	26	124	13.3	100	1.88	53	0
2009	18.5	119	27	120	9.9	124	0.72	118	0
2008	25.4	68	34.5	53	16.3	75	3.22	20	0
2007	28.1	36	35.4	43	20.8	32	2.40	39	0
2006	37.6	1	44.4	2	30.8	1	3.40	16	0
2005	26.9	51	33.5	67	20.2	36	4.18	7	0
2004	22.9	89	30.9	87	14.9	87	0.67	121	0
2003	22	95	29.9	98	14.2	92	0.47	136	0
2002	33	6	42	5	24.1	16	2.81	26	0
2001	24.2	75	31.2	84	17.2	72	3.29	18	0
2000	25.7	65	33.5	67	17.8	67	0.80	113	0
1999	22.9	89	30.1	96	15.6	79	3.07	22	0
1998	29.6	26	35.6	41	23.7	18	2.55	35	0
1997	19.2	115	28.3	106	10.2	121	1.05	101	0
1996	22	95	30.8	89	13.1	102	1.44	80	0
1995	24.1	76	30.7	92	17.5	68	2.83	25	0
1994	18.2	122	25.3	128	11	113	0.92	108	0
1993	27.4	43	34.8	50	20	40	3.55	14	0
1992	30.1	24	37.6	23	22.5	25	1.06	100	0
1991	21.5	99	29.2	100	13.7	98	1.19	94	0
1990	34.7	3	44.1	3	25.4	6	1.73	61	0
1989	33.8	4	42.3	4	25.4	6	1.00	104	0
1988	22.7	91	32	79	13.4	99	1.99	44	0
1987	25.1	69	32.1	78	18.2	59	1.49	77	0
1986	26.6	55	35.7	38	17.4	69	0.22	141	0
1985	16.8	128	25.8	125	7.8	132	0.99	106	0
1984	20.6	104	28	109	13.2	101	0.59	123	0
1983	28.2	35	34.3	56	22.1	26	0.53	130	0
1982	15.8	131	24.9	130	6.7	136	2.88	23	0
1981	23.7	82	32.6	73	14.7	89	0.48	133	0
1980	23.6	84	31	86	16.2	76	0.59	123	0
1979	9.4	140	18	143	0.8	142	2.48	37	0
1978	13.3	135	21.9	137	4.7	139	0.69	120	0
1977	8.5	141	17.4	144	-0.3	143	1.22	91	0
1976	19.5	112	28.9	102	10.1	122	0.78	114	0
1975	27.5	42	35.3	45	19.6	41	2.59	33	0
1974	23.1	87	30	97	16.2	76	3.09	21	0
1973	27.3	47	35.2	46	19.5	42	1.76	58	0
1972	19.6	109	28.5	104	10.8	114	0.81	112	0
1971	19.1	116	28	109	10.3	118	0.59	123	0
1970	15	133	22.7	134	7.4	133	0.56	128	0
1969	20.3	106	27.7	113	12.9	105	2.43	38	0
1968	22.1	94	30.3	94	13.9	96	1.12	96	0
1967	27.6	41	36.5	32	18.7	53	1.08	99	0
1966	19.5	112	27.5	115	11.4	112	1.49	77	0
1965	24.3	72	33.5	67	15	86	8.11	1	0
1964	28.7	30	38.5	18	18.9	50	1.02	103	0
1963	12.8	137	20.8	139	4.8	138	0.56	128	0
1962	16.4	130	24.7	131	8.2	129	1.97	46	0
1961	21.3	100	29.9	98	12.6	109	0.32	139	0
1960	26.9	51	33.6	65	20.2	36	1.93	48	0
1959	18.4	121	27.4	116	9.5	126	1.71	63	0
1958	25	70	31.1	85	18.8	51	1.30	86	0
1957	18.5	119	26.8	121	10.3	118	1.70	65	0
1956	25.8	64	34.3	56	17.4	69	0.25	140	0
1955	24.5	71	32.3	76	16.6	74	2.56	34	0
1954	27.3	47	35.7	38	19	47	0.89	109	0
1953	28.4	32	35.2	46	21.6	28	1.28	88	0
1952	27.2	49	36.3	35	18.1	60	1.51	76	0
1951	24.3	72	32.5	74	16.1	78	1.58	72	0
1950	29.1	28	39	13	19.3	44	4.09	8	0
1949	26.5	57	34.2	58	18.8	51	4.43	5	0
1948	20.2	107	28.2	107	12.1	110	1.25	89	0
1947	28.5	31	36.8	31	20.2	36	1.47	79	0
1946	27.4	43	35.4	43	19.3	44	2.63	31	0
1945	19.7	108	26.7	122	12.8	107	0.49	131	0
1944	31	17	40.5	6	21.4	31	0.57	127	0
1943	23.2	86	30.9	87	15.6	79	1.68	71	0
1942	25.5	66	33.8	61	17.3	71	1.22	91	0
1941	28.3	34	33.9	60	22.8	24	3.56	13	0
1940	13.3	135	20.8	139	5.8	137	0.84	111	0
1939	32.2	10	39.6	10	24.8	12	3.40	16	0
1938	26.1	62	33.8	61	18.5	54	4.32	6	0
1937	23.8	79	32.3	76	15.4	81	2.86	24	0
1936	17.2	126	24.6	132	9.8	125	1.79	57	0
1935	26.2	61	34.2	58	18.3	58	1.93	48	0
1934	31.7	15	39	13	24.4	15	1.05	101	0
1933	37.5	2	46.5	1	28.6	2	1.69	68	0
1932	33.3	5	40	9	26.5	4	2.51	36	0
1931	32.5	8	40.5	6	24.6	14	0.48	133	0
1930	16.9	127	25.5	127	8.3	128	2.81	26	0
1929	17.7	125	27.4	116	8.1	131	3.98	10	0
1928	26.5	57	34.5	53	18.5	54	0.36	137	0
1927	23.4	85	31.7	80	15.1	82	1.76	58	0
1926	26.9	51	34.8	50	19	47	1.39	81	0
1925	23.8	79	32.4	75	15.1	82	0.48	133	1
1924	19	117	28	109	10	123	1.72	62	0
1923	31.8	14	38.3	19	25.3	8	1.10	97	0
1922	23.7	82	33.6	65	13.8	97	1.69	68	0
1921	32.2	10	39.2	12	25.1	10	1.39	81	0
1920	18.6	118	26.5	123	10.8	114	0.93	107	0
1919	29.1	28	38.1	21	20.2	36	0.07	142	0
1918	10.4	139	19.3	141	1.5	141	1.58	72	0
1917	24.1	76	33.3	71	14.8	88	1.86	55	1
1916	27.2	49	36.3	35	18.1	60	5.95	2	0
1915	21	101	29.1	101	12.9	105	1.89	52	0
1914	32.2	10	39	13	25.3	8	1.93	48	0
1913	27.8	40	36.4	33	19.1	46	2.18	42	0
1912	11.1	138	18.5	142	3.6	140	0.35	138	0
1911	27.4	43	35.7	38	19	47	2.37	40	0
1910	24.3	72	31.6	81	17	73	1.97	46	0
1909	26.3	60	34.5	53	18.1	60	1.55	75	0
1908	26.9	51	35.8	37	17.9	65	0.59	123	0
1907	28.1	36	35.5	42	20.6	34	5.39	3	0
1906	30.2	23	38.8	16	21.7	27	1.70	65	0
1905	21.8	97	28.5	104	15.1	82	1.15	95	0
1904	21.6	98	28.1	108	15.1	82	1.87	54	2
1903	27.9	38	35	49	20.7	33	0.89	109	0
1902	27.4	43	37	29	18	63	0.62	122	1
1901			35.2	46			1.98	45	6
1900	31.4	16	38.1	21	24.7	13	1.92	51	0
1899	26.5	57	33.5	67	19.5	42	0.72	118	0
1898	30.6	19	37.6	23	23.5	20	4.08	9	0
1897	24.1	76	30.3	94	17.9	65	5.39	3	0
1896	30.5	20	37.1	28	24	17	1.30	86	0
1895			28.9	102	13	104	1.32	84	4
1894	29.2	27	36.9	30	21.5	29			0
1893			23.3	133	7	135			4
1892	20.5	105	28	109	13.1	102	1.25	89	0
1891	32	13	38.2	20	25.8	5	1.69	68	0
1890	32.4	9	39.6	10	25.1	10	2.80	28	0
1889	30.4	22	37.5	25	23.3	21	1.70	65	0
1888	18	124	25.3	128	10.8	114	1.82	56	0
1887	19.6	109	27.2	119	12.1	110	1.10	97	0
1886	19.3	114	25.8	125	12.8	107	3.86	11	0
1885	15.3	132	22.3	136	8.2	129	2.63	31	0
1884	16.5	129	22.6	135	10.3	118	0.49	131	1
1883	14.5	134	21.7	138	7.2	134	1.31	85	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2006	37.6
1933	37.5
1990	34.7
1989	33.8
1932	33.3
2023	33
2002	33
1931	32.5
1890	32.4
1939	32.2
More years share the last value

Coldest
Year	Mean, °F
1977	8.5
1979	9.4
1918	10.4
1912	11.1
1963	12.8
1978	13.3
1940	13.3
1883	14.5
1970	15
1885	15.3

Wettest
Year	Precipitation, in
1965	8.11
1916	5.95
1907	5.39
1897	5.39
1949	4.43
1938	4.32
2005	4.18
1950	4.09
1898	4.08
1929	3.98

Driest
Year	Precipitation, in
1919	0.07
1986	0.22
1956	0.25
1961	0.32
1912	0.35
1928	0.36
2003	0.47
1981	0.48
1931	0.48
1925	0.48

The hottest, coldest and wettest days

Hottest day: 62°F; 8 January 2026
Coldest night: -8°F; 23 January 2026
Wettest day: 0.93 in; 8 January 2026

Every month, season and year

Months

Seasons

Years

Peoria, IL the day's answers

All-time records

Every answer in words

January 2026 brought 1.38 in of precipitation in Peoria, IL, the driest January since 2025, 60th driest of 142.
The hottest day of January 2026 in Peoria, IL: 62°F on Thursday 8 January 2026.
The coldest night of January 2026 in Peoria, IL: a low of -8°F on Friday 23 January 2026.
The wettest day of January 2026 in Peoria, IL: 0.93 in on Thursday 8 January 2026.