Wilmington, DE: July

31 July 2026: July 2026 averaged 78.4°F in Wilmington, DE, the warmest July since 2025, tied 22nd warmest of 113 (with 1952).

July 2026

Mean temperature: 78.4°F; Warmest since 2025; 22nd warmest of 113
Precipitation: 8.32 in; Wettest since 2023; 8th wettest of 124

A normal July in Wilmington, DE (1991 to 2020): a mean temperature of 77.6°F, between 74°F and 80°F in eight years of ten and 4.20 in of precipitation, between 2.31 in and 6.72 in in eight years of ten.

The mean temperature of every July in Wilmington, DE since 1894: 78.4°F in 2026; the highest is 81.2°F, in 1955.

Normal range, 74 to 80°F

Every year, ranked, as a table

Every July 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	78.4	22	88.6	16	68.2	35	8.32	8	0
2025	80.3	3	88.7	14	71.9	1	6.73	22	0
2024	79.1	18	87.8	30	70.4	8	1.56	112	0
2023	80	6	88.5	17	71.6	3	8.85	7	0
2022	79.4	14	88.5	17	70.3	10	4.10	67	0
2021	77.8	28	87.4	34	68.2	35	4.77	51	0
2020	80	6	89.6	7	70.5	6	4.90	48	0
2019	79.8	10	89.5	9	70.2	12	5.65	37	0
2018	77.7	29	87.1	37	68.3	31	6.72	23	0
2017	78.2	24	86.6	44	69.7	15	6.75	21	0
2016	79.4	14	88.4	22	70.3	10	6.35	27	0
2015	76.8	45	85	70	68.5	29	2.32	100	0
2014	76	58	85.7	58	66.4	60	5.94	36	0
2013	79.5	13	87.2	36	71.7	2	4.05	69	0
2012	80.3	3	90.2	5	70.5	6	3.05	87	0
2011	80.8	2	91.2	2	70.4	8	3.73	77	0
2010	79.6	12	89.6	7	69.6	16	6.15	32	0
2009	73.5	104	83.3	97	63.6	104	3.94	73	0
2008	78.1	25	88.2	26	67.9	37	4.69	55	0
2007	76.6	50	86.4	49	66.7	55	3.15	84	0
2006	78.1	25	87	38	69.2	21	6.05	34	0
2005	76.9	43	85.5	65	68.4	30	4.82	50	0
2004	74.7	89	82.6	105	66.8	54	8.24	10	0
2003	75.6	71	84.2	88	67.1	50	2.85	90	0
2002	77.5	33	87.5	33	67.5	45	1.40	116	0
2001	72.6	112	82	111	63.3	109	2.35	98	0
2000	72.9	111	81	113	64.8	88	4.64	57	0
1999	80	6	91	3	69	22	0.89	123	0
1998	75.1	81	84.8	76	65.4	75	2.18	101	0
1997	75.9	59	86.6	44	65.2	80	3.08	86	0
1996	74.1	98	82	111	66.3	64	6.25	29	0
1995	78.7	20	88.5	17	69	22	2.89	89	0
1994	79.8	10	88.5	17	71.1	4	7.01	17	0
1993	79.4	14	88.7	14	70	14	4.04	70	0
1992	76.3	55	85	70	67.5	45	4.34	62	0
1991	77.3	36	85.8	57	68.8	25	3.71	79	0
1990	77.4	34	86.1	54	68.7	26	4.27	64	0
1989	75.9	59	84.2	88	67.5	45	12.63	2	0
1988	79.4	14	89.2	11	69.5	17	8.29	9	0
1987	79.1	18	88.8	13	69.4	19	4.09	68	0
1986	77	40	86.3	51	67.8	39	3.99	71	0
1985	76.6	50	86.5	47	66.6	56	6.91	20	0
1984	75.1	81	84.2	88	66.1	69	6.53	24	0
1983	77.6	31	88.9	12	66.3	64	2.33	99	0
1982	77.3	36	86.9	39	67.7	42	2.70	93	0
1981	77	40	86.3	51	67.8	39	2.52	96	0
1980	77.7	29	87.8	30	67.6	44	3.49	82	0
1979	75.3	79	84.2	88	66.3	64	4.76	52	0
1978	73.4	106	82.4	108	64.4	92	5.53	40	0
1977	76.4	54	86.4	49	66.4	60	1.38	117	0
1976	74.2	96	83.2	99	65.2	80	4.33	63	0
1975	75.6	71	84.3	87	67	51	5.53	40	0
1974	76.7	47	86.9	39	66.4	60	1.49	114	0
1973	78.1	25	86.7	42	69.5	17	2.82	91	0
1972	76.8	45	85.1	69	68.6	28	2.07	102	0
1971	75.9	59	86	56	65.8	71	3.65	81	0
1970	76.5	52	84.8	76	68.3	31	6.03	35	0
1969	75.6	71	83	102	68.3	31	6.48	25	0
1968	76.7	47	85.6	61	67.7	42	1.83	108	0
1967	74.4	93	82.5	107	66.3	64	4.45	59	0
1966	77.1	39	88.3	25	66	70	3.09	85	0
1965	74.5	90	83.7	94	65.3	77	3.84	75	0
1964	75.7	68	84.5	83	67	51	3.70	80	0
1963	76.2	56	87.3	35	65.2	80	1.65	111	0
1962	72.5	113	83	102	62.1	113	1.78	109	0
1961	75.6	71	84.8	76	66.4	60	4.84	49	0
1960	73.1	109	82.9	104	63.3	109	6.18	30	0
1959	75.4	76	84.2	88	66.6	56	5.21	47	0
1958	76.5	52	84.7	81	68.3	31	7.51	12	0
1957	75.9	59	87.8	30	64	100	1.33	118	0
1956	73.4	106	82.3	110	64.4	92	7.39	14	0
1955	81.2	1	91.5	1	70.9	5	0.16	124	0
1954	76.2	56	88.5	17	63.9	101	1.93	104	0
1953	77	40	88.4	22	65.5	73	3.21	83	0
1952	78.4	22	89.5	9	67.3	48	7.40	13	0
1951	75.8	66	86.2	53	65.5	73	3.84	75	0
1950	73.9	101	84.5	83	63.4	107	4.35	61	0
1949	78.7	20	88.4	22	69	22	6.16	31	0
1948	75.7	68	85.6	61	65.8	71	1.15	122	0
1947	73.7	103	82.4	108	65	85			0
1946	73.5	104	83.7	94	63.2	112	4.76	52	0
1945	74.3	95	83.2	99	65.3	77	9.94	4	0
1944	75.9	59	88.1	27	63.7	103	1.31	119	1
1943	74.9	87	85.6	61	64.3	95	3.87	74	0
1942	75.4	76	85.7	58	65.2	80	9.05	6	0
1941	75	83	84.9	72	65	85			0
1940	75.5	75	86.7	42	64.3	95	1.87	105	0
1939	74.5	90	84.9	72	64.1	98	1.67	110	0
1938	75.9	59	85.6	61	66.2	68	6.94	19	1
1937	75.7	68	86.1	54	65.3	77			0
1936	75.9	59	86.8	41	65	85	2.71	92	0
1935	76.9	43	85.7	58	67.8	39			1
1934	77.4	34	87.9	29	66.9	53			0
1933	74.2	96	84.4	86	64.1	98	6.12	33	1
1932	75	83	85.3	68	64.8	88	1.55	113	0
1931	77.2	38	86.5	47	67.9	37			0
1930	76.7	47	88	28	65.4	75	2.61	95	0
1929	74.1	98	84.8	76	63.4	107	1.45	115	0
1928	75.8	66	84.8	76	66.6	56	6.99	18	1
1927	73.8	102	83.3	97	64.3	95	5.57	39	1
1926	74.5	90	84.5	83	64.5	90	9.25	5	0
1925	74.9	87	85.4	67	64.4	92	5.41	44	0
1924	73.2	108	83.1	101	63.3	109			0
1923	74.4	93	84.9	72	63.9	101	6.38	26	1
1922	75	83	84.9	72	65.1	84	5.61	38	0
1921	77.6	31	86.6	44	68.7	26	4.16	66	1
1920	73.1	109	82.6	105	63.6	104	3.96	72	0
1919	75.2	80	84	93	66.5	59	14.13	1	0
1918	74.1	98	84.6	82	63.6	104	1.86	107	0
1917	75.4	76	83.5	96	67.2	49	5.32	45	0
1916							7.03	16	31
1915							2.39	97	31
1914							7.17	15	31
1913							4.55	58	31
1912							5.51	42	31
1911							4.39	60	31
1910							5.42	43	31
1909							1.87	105	31
1907							1.27	120	31
1906							7.73	11	31
1905							5.23	46	31
1904							4.67	56	31
1903							6.31	28	31
1902							2.00	103	31
1901							3.72	78	31
1900							4.70	54	31
1898							4.22	65	31
1897							11.59	3	31
1896	80	6	90	6	70.1	13	3.03	88	1
1895	75	83	85.5	65	64.5	90	2.70	93	0
1894	80.1	5	90.8	4	69.3	20	1.20	121	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1955	81.2
2011	80.8
2025	80.3
2012	80.3
1894	80.1
2023	80
2020	80
1999	80
1896	80
2019	79.8
More years share the last value

Coldest
Year	Mean, °F
1962	72.5
2001	72.6
2000	72.9
1960	73.1
1920	73.1
1924	73.2
1978	73.4
1956	73.4
2009	73.5
1946	73.5

Wettest
Year	Precipitation, in
1919	14.13
1989	12.63
1897	11.59
1945	9.94
1926	9.25
1942	9.05
2023	8.85
2026	8.32
1988	8.29
2004	8.24

Driest
Year	Precipitation, in
1955	0.16
1999	0.89
1948	1.15
1894	1.20
1907	1.27
1944	1.31
1957	1.33
1977	1.38
2002	1.40
1929	1.45

The hottest, coldest and wettest days

Hottest day: 103°F; 2 July 2026
Coldest night: 58°F; 26 July 2026, 20 July 2026
Wettest day: 2.59 in; 9 July 2026

Every month, season and year

Months

Seasons

Years

Wilmington, DE the day's answers

All-time records

Every answer in words

July 2026 brought 8.32 in of precipitation in Wilmington, DE, the wettest July since 2023, 8th wettest of 124.
The hottest day of July 2026 in Wilmington, DE: 103°F on Thursday 2 July 2026.
The coldest night of July 2026 in Wilmington, DE: a low of 58°F on Sunday 26 July 2026 and Monday 20 July 2026.
The wettest day of July 2026 in Wilmington, DE: 2.59 in on Thursday 9 July 2026.