Rockford, IL: January

31 January 2026: January 2026 averaged 19.1°F in Rockford, IL, the coldest January since 2022, 42nd coldest of 117.

January 2026

Mean temperature: 19.1°F; Coldest since 2022; 42nd coldest of 117
Precipitation: 0.82 in; Driest since 2025; 32nd driest of 125

A normal January in Rockford, IL (1991 to 2020): a mean temperature of 21°F, between 16.2°F and 27.6°F in eight years of ten and 1.29 in of precipitation, between 0.80 in and 2.98 in in eight years of ten.

The mean temperature of every January in Rockford, IL since 1893: 19.1°F in 2026; the lowest is 4.7°F, in 1912.

Normal range, 16.2 to 27.6°F

Every year, ranked, as a table

Every January in Rockford, IL from 1893 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	19.1	76	27	81	11.2	74	0.82	94	0
2025	20.3	68	30.1	57	10.5	81	0.79	97	0
2024	23.4	40	28.4	72	18.3	25	2.28	29	0
2023	28.9	12	34.2	21	23.6	3	2.07	36	0
2022	16.8	90	26.8	83	6.9	95	0.56	113	0
2021	26.6	21	32.7	37	20.6	16	2.04	38	0
2020	28.3	14	34.6	18	22	7	2.60	21	0
2019	18.1	82	25.4	92	10.7	79	2.27	31	0
2018	21	58	29.7	59	12.4	62	1.34	61	0
2017	27.5	15	33.6	28	21.5	13	2.25	33	0
2016	22.9	43	29.5	63	16.2	32	0.88	90	0
2015	20.8	63	28.7	68	13	58	1.07	79	0
2014	12	110	21.9	112	2.1	112	1.98	40	0
2013	24.3	35	33.6	28	15	45	3.09	16	0
2012	27.4	17	36.9	12	18	26	1.23	69	0
2011	19.9	70	26.7	86	13.1	55	0.88	90	0
2010	18.3	81	24.8	97	11.8	66	0.85	93	0
2009	13.8	102	22.4	111	5.2	102	0.81	95	0
2008	21	58	30.5	51	11.5	69	1.14	70	0
2007	25.8	25	33.1	36	18.5	23	0.81	95	0
2006	33.5	2	39.5	3	27.5	1	2.97	17	0
2005	21.3	54	28	75	14.7	47	3.29	11	0
2004	18.4	79	25.4	92	11.5	69	0.46	117	0
2003	19.2	73	27.1	79	11.3	72	0.34	121	0
2002	30	5	38.2	5	21.7	10	0.69	105	0
2001	21	58	28.6	70	13.5	53	2.28	29	0
2000	21.6	51	29.5	63	13.6	52	1.41	55	0
1999	18.4	79	25.4	92	11.5	69	3.11	15	0
1998	26.2	23	31.9	40	20.5	17	2.16	35	0
1997	16.5	91	25.4	92	7.7	93	1.13	71	0
1996	18.6	77	27.2	77	9.9	84	1.40	57	0
1995	20	69	26.8	83	13.3	54	1.76	48	0
1994	12.5	108	20.8	113	4.3	106	1.00	82	0
1993	23.4	40	30.9	49	16	37	2.45	24	0
1992	27.5	15	34.6	18	19.6	19	1.11	75	1
1991	17	88	25.9	89	8	91	1.12	73	0
1990	30	5	38.9	4	21.2	15	1.83	45	0
1989	29.9	8	37.3	8	22.4	5	0.79	97	0
1988	16	93	24.8	97	7.2	94	2.45	24	0
1987	23.1	42	30.3	55	15.9	38	0.93	87	0
1986	20.9	61	29.5	63	12.3	64	0.73	102	0
1985	12.9	105	23	105	2.8	110	1.00	82	0
1984	16	93	24.1	102	7.9	92	0.73	102	0
1983	25.3	26	31.3	47	19.2	20	0.52	115	0
1982	8.8	113	19.2	117	-1.5	116	1.58	51	0
1981	21.4	52	31	48	11.8	66	0.22	123	0
1980	19.2	73	26.8	83	11.7	68	1.02	80	0
1979	7.7	114	16.7	120	-1.3	115	2.43	26	0
1978	11.3	111	20.1	115	2.5	111	0.78	100	0
1977	5.9	116	15.2	121	-3.5	118	0.61	109	0
1976	16.4	92	26.6	87	6.3	97	0.59	111	0
1975	23.5	39	31.5	45	15.5	43	2.38	27	0
1974	21.2	55	27.7	76	14.6	48	3.55	9	0
1973	26.3	22	33.6	28	19	22	1.67	50	0
1972	17	88	25.9	89	8.1	90	0.66	106	0
1971	14.8	96	23.5	104	6.1	98	1.11	75	0
1970	12.5	108	20.5	114	4.5	105	0.51	116	0
1969	17.9	84	24.6	100	11.2	74	1.86	43	0
1968	21.2	55	29.6	62	12.8	59	0.58	112	0
1967	24.5	31	33.3	34	15.8	40	1.41	55	0
1966	13.4	103	22.7	108	4.1	107	1.39	59	0
1965	19.4	72	28.5	71	10.4	82	4.40	4	0
1964	26.7	19	35.9	15	17.4	28	0.97	85	0
1963	9.3	112	17.5	118	1.1	114	0.60	110	0
1962	14.5	98	22.5	110	6.5	96	2.36	28	0
1961	19.5	71	28.2	73	10.8	77	0.18	124	0
1960	24.1	37	30.6	50	17.5	27	4.66	3	0
1959	13.3	104	22.9	107	3.6	108	1.51	53	0
1958	20.5	66	28.2	73	12.8	59	0.55	114	0
1957	14.6	97	23.7	103	5.5	101	1.40	57	0
1956	24.2	36	32.3	39	16.1	35	0.42	120	0
1955	20.9	61	28.7	68	13.1	55	1.13	71	0
1954	22.2	47	31.9	40	12.5	61	0.43	119	0
1953	24.4	33	32.5	38	16.2	32	1.09	77	0
1952	22.8	44	31.6	42	14	49	1.24	68	0
1951	18	83	26.1	88	9.9	84	1.00	82	0
1950	26.7	19	37.3	8	16.1	35	1.93	41	0
1949	24.6	30	33.5	33	15.7	41	2.66	20	0
1948	17.9	84	27.2	77	8.5	87	1.56	52	0
1946	25.3	26	34.1	22	16.6	31	5.55	1	0
1945	17.5	87	25.3	96	9.8	86	0.97	85	1
1944	30.1	3	40.2	2	20.1	18	1.78	46	0
1943	20.6	65	30.2	56	11.1	76	3.60	7	0
1942	22.1	48	30.5	51	13.7	50	1.29	65	0
1941			31.6	42			3.71	6	4
1940	12.8	106	19.8	116	5.7	100	1.84	44	0
1939	28.7	13	35.8	16	21.7	10	2.17	34	1
1938	22.7	45	29.7	59	15.6	42	3.57	8	0
1937	22	50	30.5	51	13.1	55	3.27	13	1
1936	14.5	98	23	105	6	99	1.72	49	0
1935	21.4	52	30.5	51	12.4	62	2.52	22	0
1934	30.1	3	38.2	5	21.9	8	0.79	97	0
1933	33.9	1	43.6	1	24.2	2	1.33	62	0
1932	30	5	36.9	12	23.2	4	1.90	42	0
1931	29.2	10	37	11	21.4	14	0.71	104	0
1930	15	95	24.8	97	5.2	102	2.02	39	0
1929	12.8	106	24.3	101	1.3	113	3.30	10	0
1928	25.3	26	33.7	27	16.9	30	0.46	117	0
1927	20.5	66	29.7	59	11.3	72	1.09	77	0
1926	23.8	38	33.9	24	13.7	50	1.01	81	0
1925	21.1	57	31.5	45	10.8	77	0.34	121	0
1924	14.2	100	25.5	91	2.9	109	1.27	66	0
1923	26.8	18	34.5	20	19.1	21	0.91	88	0
1922	22.1	48	33.6	28	10.6	80	0.87	92	0
1921	29.4	9	37.2	10	21.6	12	0.12	125	0
1920	13.9	101	22.6	109	4.6	104	1.39	59	1
1919	24.7	29	33.2	35	16.2	32	0.66	106	0
1918							2.49	23	17
1917	19.2	73	30	58	8.5	87	1.12	73	0
1916	24.5	31	33.9	24	15.2	44	4.33	5	0
1915	17.8	86	27	81	8.5	87	1.78	46	0
1914	29	11	36.2	14	21.8	9	1.27	66	0
1913	24.4	33	33.8	26	14.9	46	1.30	64	0
1912	4.7	117	12.8	122	-3.5	118	0.62	108	0
1911	20.7	64	29.5	63	12	65	0.74	101	1
1910	18.6	77	27.1	79	10.2	83	2.06	37	0
1909			34.1	22	18.5	23	2.79	19	4
1908	26	24	34.7	17	17.2	29	1.32	63	2
1907			31.6	42			3.18	14	8
1906			37.9	7	22.1	6	3.29	11	6
1898	22.5	46	29	67	15.9	38	2.97	17	0
1897							4.72	2	10
1896			33.6	28			0.90	89	7
1895							2.27	31	31
1894							1.47	54	31
1893	7.7	114	17	119	-1.6	117			0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1933	33.9
2006	33.5
1944	30.1
1934	30.1
2002	30
1990	30
1932	30
1989	29.9
1921	29.4
1931	29.2

Coldest
Year	Mean, °F
1912	4.7
1977	5.9
1979	7.7
1893	7.7
1982	8.8
1963	9.3
1978	11.3
2014	12
1994	12.5
1970	12.5

Wettest
Year	Precipitation, in
1946	5.55
1897	4.72
1960	4.66
1965	4.40
1916	4.33
1941	3.71
1943	3.60
1938	3.57
1974	3.55
1929	3.30

Driest
Year	Precipitation, in
1921	0.12
1961	0.18
1981	0.22
2003	0.34
1925	0.34
1956	0.42
1954	0.43
2004	0.46
1928	0.46
1970	0.51

The hottest, coldest and wettest days

Hottest day: 59°F; 8 January 2026
Coldest night: -14°F; 23 January 2026
Wettest day: 0.33 in; 8 January 2026

Every month, season and year

Months

Seasons

Years

Rockford, IL the day's answers

All-time records

Every answer in words

January 2026 brought 0.82 in of precipitation in Rockford, IL, the driest January since 2025, 32nd driest of 125.
The hottest day of January 2026 in Rockford, IL: 59°F on Thursday 8 January 2026.
The coldest night of January 2026 in Rockford, IL: a low of -14°F on Friday 23 January 2026.
The wettest day of January 2026 in Rockford, IL: 0.33 in on Thursday 8 January 2026.