Wilmington, DE: January

31 January 2026: January 2026 averaged 29.8°F in Wilmington, DE, the coldest January since 2025, tied 31st coldest of 111 (with 2025).

January 2026

Mean temperature: 29.8°F; Coldest since 2025; 31st coldest of 111
Precipitation: 2.88 in; Driest since 2025; 57th driest of 117

A normal January in Wilmington, DE (1991 to 2020): a mean temperature of 32.5°F, between 28.3°F and 38.4°F in eight years of ten and 3.18 in of precipitation, between 1.78 in and 4.60 in in eight years of ten.

The mean temperature of every January in Wilmington, DE since 1894: 29.8°F in 2026; the lowest is 20.8°F, in 1977.

Normal range, 28.3 to 38.4°F

Every year, ranked, as a table

Every January in Wilmington, DE from 1894 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	29.8	80	38.1	72	21.6	82	2.88	60	0
2025	29.8	80	37.6	79	22	78	1.25	111	0
2024	35.2	30	42.5	39	28	25	6.22	4	0
2023	42.7	2	50.9	3	34.5	2	2.92	56	0
2022	31	71	39.5	59	22.4	75	3.11	52	0
2021	35.2	30	42.6	37	27.8	27	1.84	99	0
2020	39	10	47.7	8	30.2	11	3.90	29	0
2019	32.6	47	40.6	50	24.5	50	4.00	27	0
2018	31.3	67	40.6	50	21.9	80	2.44	81	0
2017	37.6	14	44.5	19	30.6	10	2.67	70	0
2016	32.2	52	41.3	44	23	70	2.30	88	0
2015	30.3	77	38	75	22.7	71	4.45	16	0
2014	27.4	95	36.7	84	18	101	3.23	49	0
2013	35.6	28	43.6	29	27.6	30	3.70	36	0
2012	37.2	18	45.9	13	28.5	21	2.55	74	0
2011	28.4	89	35.3	97	21.6	82	3.22	50	0
2010	32.4	49	39.9	56	24.8	46	2.52	76	0
2009	28.5	88	35.4	95	21.5	84	2.90	58	0
2008	35.7	26	43.6	29	27.7	29	1.57	108	0
2007	38.3	11	46.3	11	30.2	11	3.52	41	0
2006	39.7	8	48.6	5	30.8	9	4.14	23	0
2005	31.7	58	38.9	67	24.6	49	3.84	30	0
2004	25.4	102	31.8	108	18.9	97	1.66	106	0
2003	28.7	86	35.6	93	21.8	81	1.79	101	0
2002	37.8	12	45.9	13	29.6	15	2.72	67	0
2001	31.5	62	38.9	67	24.2	56	3.13	51	0
2000	31.5	62	39.5	59	23.5	66	3.83	31	0
1999	34.8	35	43.1	35	26.5	34	5.41	9	0
1998	39.8	7	47.3	9	32.3	5	4.80	14	0
1997	31.7	58	39.3	64	24.2	56	1.83	100	0
1996	29.9	78	37.4	82	22.4	75	4.58	15	0
1995	36.6	20	43.6	29	29.6	15	3.08	53	0
1994	26.3	99	33.6	102	18.9	97	5.00	13	0
1993	37.6	14	45.1	16	30	14	2.64	72	0
1992	35.2	30	43.9	27	26.5	34	1.05	113	0
1991	34.3	37	43.1	35	25.5	42	4.30	18	0
1990	40.5	5	49.1	4	31.9	7	3.56	40	0
1989	36	25	44	25	28	25	2.48	79	0
1988	27.4	95	35.9	90	18.8	99	2.46	80	0
1987	31.4	65	38.1	72	24.7	48	4.35	17	0
1986	32.2	52	41	45	23.3	68	4.21	21	0
1985	27.5	94	35.9	90	19.1	96	1.56	109	0
1984	24.8	106	33.6	102	16	107	1.25	111	0
1983	35.1	33	43.3	33	27	32	2.98	55	0
1982	24.2	108	32.5	104	15.8	108	3.75	33	0
1981	25.4	102	33.9	101	16.9	104	0.52	117	0
1980	32.4	49	40	54	24.8	46	2.44	81	0
1979	31.4	65	39.5	59	23.2	69	7.61	2	0
1978	27.2	98	34.7	98	19.6	93	8.41	1	0
1977	20.8	111	28.9	110	12.7	110	2.18	93	0
1976	27.7	93	35.8	92	19.5	94	4.21	21	0
1975	37.5	16	45.5	15	29.5	17	4.23	20	0
1974	36.2	21	43.7	28	28.6	20	2.92	56	0
1973	35.6	28	44.4	21	26.8	33	3.81	32	0
1972	36.1	22	44.1	24	28.1	23	2.50	78	0
1971	27.4	95	35.4	95	19.3	95	2.22	92	0
1970	24.5	107	32.3	106	16.6	106	1.00	115	0
1969	30.8	75	37.8	77	23.8	61	1.68	104	0
1968	27.9	92	36.2	89	19.7	92	2.29	90	0
1967	36.1	22	44.2	23	28.1	23	1.67	105	0
1966	29.2	82	36.5	86	22	78	2.82	65	0
1965	29	84	37.5	80	20.4	90	2.38	85	0
1964	33.1	45	42.3	41	24	59	4.13	24	0
1963	28.3	90	36.4	87	20.3	91	2.05	95	0
1962	31.1	70	39.7	57	22.6	72	2.51	77	0
1961	25.6	101	34.5	100	16.7	105	2.84	63	0
1960	35.1	33	41.7	43	28.4	22	2.86	62	0
1959	30.9	73	40.8	49	21	87	1.89	98	0
1958	30.7	76	37.7	78	23.8	61	3.63	38	0
1957	28.6	87	36.3	88	20.9	89	2.30	88	0
1956	31.8	57	38.5	71	25.1	45	2.61	73	0
1955	31.5	62	38.6	70	24.4	51	0.59	116	0
1954	31.2	69	40	54	22.5	73	1.71	103	0
1953	37.5	16	44.9	18	30.2	11	5.14	10	0
1952	37	19	45	17	29	19	5.09	11	0
1951	34.2	38	44	25	24.4	51	3.64	37	0
1950	42.7	2	52.6	1	32.8	4	1.97	97	0
1949	39.2	9	46.8	10	31.5	8	5.55	7	0
1948	25.4	102	32.5	104	18.3	100	4.05	26	0
1947	37.7	13	46	12	29.5	17	3.72	34	0
1946	34.1	40	42.5	39	25.8	39	1.76	102	0
1945	26.1	100	34.7	98	17.5	103	4.27	19	0
1944	34.4	36	43.5	32	25.4	43	3.39	45	0
1943	31.9	55	39.5	59	24.3	54	2.73	66	0
1942	31	71	39.7	57	22.5	73	2.89	59	1
1941	30.9	73	37.9	76	23.8	61			0
1940	21.1	110	30.6	109	12.6	111	1.51	110	2
1939									24
1938	32.8	46	40.2	53	25.4	43			1
1937	40.8	4	48.3	7	33.4	3	6.36	3	1
1936	28.2	91	35.5	94	21	87			0
1935	28.8	85	37.2	83	21.2	86	5.04	12	3
1934	36.1	22	44.5	19	27.8	27	2.83	64	0
1933	40.4	6	48.6	5	32.3	5			0
1932	44.2	1	51.5	2	36.8	1	6.02	5	0
1931	33.6	42	41	45	26.2	37	2.40	84	0
1930	33.3	44	41	45	25.7	40	3.25	48	0
1929	32.3	51	41	45	23.5	66	3.72	34	0
1928	33.8	41	43.2	34	24.3	54	2.71	68	0
1927	31.3	67	38.7	69	23.9	60	2.09	94	1
1926	31.6	60	39.5	59	23.7	65	3.40	43	0
1925	29.9	78	37.5	80	22.3	77			0
1924	33.5	43	42.6	37	24.4	51			0
1923	32.5	48	39	66	26	38			0
1922	29.1	83	36.7	84	21.5	84			0
1921	34.2	38	41.8	42	26.5	34	2.65	71	0
1920	25.2	105	32.3	106	18	101			0
1919	35.7	26	44.4	21	27.1	31	3.93	28	0
1918	21.3	109	28.3	111	14.4	109			0
1917	32.2	52	40.3	52	24.2	56	3.41	42	1
1916							1.58	107	31
1915							5.83	6	31
1914							2.69	69	31
1913							2.24	91	31
1912							2.42	83	31
1910							4.07	25	31
1909							1.02	114	31
1908							3.40	43	31
1906							2.34	86	31
1905							1.99	96	31
1904							2.53	75	31
1903							3.05	54	31
1902							3.28	47	31
1900							3.30	46	31
1899							3.59	39	31
1898							2.88	60	31
1897							2.33	87	31
1896	31.9	55	38.1	72	25.7	40			0
1894	31.6	60	39.1	65	23.8	61	5.47	8	1

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1932	44.2
2023	42.7
1950	42.7
1937	40.8
1990	40.5
1933	40.4
1998	39.8
2006	39.7
1949	39.2
2020	39

Coldest
Year	Mean, °F
1977	20.8
1940	21.1
1918	21.3
1982	24.2
1970	24.5
1984	24.8
1920	25.2
2004	25.4
1981	25.4
1948	25.4

Wettest
Year	Precipitation, in
1978	8.41
1979	7.61
1937	6.36
2024	6.22
1932	6.02
1915	5.83
1949	5.55
1894	5.47
1999	5.41
1953	5.14

Driest
Year	Precipitation, in
1981	0.52
1955	0.59
1970	1.00
1909	1.02
1992	1.05
2025	1.25
1984	1.25
1940	1.51
1985	1.56
2008	1.57

The hottest, coldest and wettest days

Hottest day: 61°F; 7 January 2026
Coldest night: 4°F; 31 January 2026
Wettest day: 1.48 in; 25 January 2026

Every month, season and year

Months

Seasons

Years

Wilmington, DE the day's answers

All-time records

Every answer in words

January 2026 brought 2.88 in of precipitation in Wilmington, DE, the driest January since 2025, tied 57th driest of 117 (with 1898).
The hottest day of January 2026 in Wilmington, DE: 61°F on Wednesday 7 January 2026.
The coldest night of January 2026 in Wilmington, DE: a low of 4°F on Saturday 31 January 2026.
The wettest day of January 2026 in Wilmington, DE: 1.48 in on Sunday 25 January 2026.