Wilmington, OH: Summer

31 August 2026: Summer 2026 averaged 73°F in Wilmington, OH, the warmest summer since 2025, tied 44th warmest of 109 (with 1953).

Summer 2026

Mean temperature: 73°F; Warmest since 2025; 44th warmest of 109
Precipitation: 15.74 in; Wettest since 2023; 18th wettest of 110

A normal summer in Wilmington, OH (1991 to 2020): a mean temperature of 72.2°F, between 70.2°F and 74.2°F in eight years of ten and 12.07 in of precipitation, between 8.50 in and 15.44 in in eight years of ten.

The mean temperature of every summer in Wilmington, OH since 1917: 73°F in 2026; the highest is 77.4°F, in 1934.

Normal range, 70.2 to 74.2°F

Every year, ranked, as a table

Every summer in Wilmington, OH from 1915 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	73	44	82.8	74	63.1	13	15.74	18	0
2025	73.8	24	83.4	64	64.2	3	10.37	70	0
2024	74.1	17	85.2	36	63	14	8.36	93	0
2023	72.8	47	83.2	67	62.5	18	16.63	13	0
2022	73.9	22	84.4	49	63.4	10	11.92	55	0
2021	73.7	26	83	71	64.3	2	15.72	19	0
2020	73.7	26	84.4	49	63	14	11.77	57	0
2019	72.7	51	82.6	80	62.7	17	16.73	12	0
2018	73.4	31	83.2	67	63.6	6	14.68	25	0
2017	71.2	75	81.8	86	60.6	52	15.39	20	1
2016	74.6	8	84.6	46	64.6	1	9.00	86	0
2015	71.2	75	80.8	96	61.6	25	18.64	6	1
2014	71	79	81	95	61	42	13.46	32	0
2013	71.6	71	81.7	88	61.5	29	12.15	51	0
2012	73.6	28	85.9	25	61.4	31	6.17	107	0
2011	74.2	15	85.1	37	63.3	11	9.07	84	0
2010	74.3	12	84.7	45	63.9	5	12.17	50	2
2009	70.4	97	80.2	99	60.7	47	11.04	64	0
2008	72.2	60	83	71	61.4	31	8.50	90	0
2007	73.3	37	84.9	39	61.7	24	9.91	81	0
2006	72.1	62	82.6	80	61.6	25	12.70	40	3
2005	74.2	15	84.8	41	63.6	6	10.59	67	0
2004	70.2	99	80.7	97	59.8	72	12.09	53	0
2003	70.1	101	80.1	101	60.2	60	13.35	33	1
2002	73.4	31	84.4	49	62.5	18	12.14	52	2
2001	71.7	68	82.2	82	61.3	34	11.62	58	0
2000	70.2	99	80.6	98	59.7	77	12.61	41	6
1999	73.2	39	85.9	25	60.6	52	6.51	106	2
1998	71.3	73	81.7	88	60.9	43	11.29	61	2
1997	69.7	104	79.6	107	59.8	72	15.89	16	0
1996	71.2	75	81.4	92	61.1	39	10.95	65	0
1995	74.1	17	84	55	64.1	4	12.44	46	0
1994	72.2	60	82.8	74	61.6	25	12.04	54	0
1993	74	19	84.5	47	63.6	6	8.99	87	0
1992	70.1	101	80.1	101	60.1	63	13.92	27	0
1991	72.3	58	83.4	64	61.2	37	8.48	92	0
1990	70	103	80.1	101	59.7	77	12.51	45	1
1989	70.6	91	80.2	99	61.1	39	10.23	71	0
1988	72.8	47	85.6	31	60.1	63	9.06	85	0
1987	72.3	58	83.7	60	60.8	45	8.06	95	1
1986	70.8	82	82.1	84	59.4	86	10.14	75	0
1985	69.4	105	80.1	101	58.8	95	10.11	76	0
1984	70.7	85	81.7	88	59.8	72	7.45	101	0
1983	74.8	7	86.3	19	63.3	11	11.11	63	0
1982	68.3	107	79.8	106	56.7	107	9.97	80	0
1981	70.7	85	81.3	93	60.2	60	10.04	77	0
1980	71	79	82.8	74	59.2	92	16.46	14	0
1979	68.8	106	79.5	108	57.9	102	20.39	3	1
1978	70.3	98	81.1	94	59.6	80	13.10	35	0
1977	70.6	91	81.8	86	59.3	90	12.73	39	0
1976	66.3	109	78.8	109	53.9	109	12.61	41	0
1975	71.7	68	83.8	57	59.5	84	15.76	17	0
1974									62
1973	72.6	53	85.3	35	60	67	16.31	15	0
1972	70.6	91	82.2	82	58.9	94	7.70	98	0
1971	71.7	68	83.8	57	59.6	80	13.59	31	0
1970	71.9	65	83.9	56	60	67	10.38	69	0
1969	72.5	56	84.4	49	60.6	52	12.18	49	0
1968	73.1	43	84.5	47	61.5	29	13.87	28	2
1967	70.8	82	82.8	74	58.7	96	4.51	109	2
1966	72.9	46	85.9	25	60	67	7.86	97	0
1965	71.3	73	84.1	54	58.6	98	7.00	105	0
1964	72.6	53	85.5	32	59.8	72	8.79	89	0
1963	70.6	91	83	71	58.2	100	10.56	68	0
1962	72	64	84.8	41	59.2	92	7.55	99	0
1961	70.7	85	82.1	84	59.4	86	13.11	34	0
1960	71.5	72	83.2	67	59.7	77	8.04	96	0
1959	73.6	28	86	24	61.1	39	9.99	79	0
1958	70.7	85	81.7	88	59.6	80	23.21	1	0
1957	72.8	47	84.9	39	60.6	52	12.75	37	0
1956	71.9	65	83.2	67	60.4	58	11.23	62	3
1955	73.4	31	85.4	33	61.4	31	7.03	104	0
1954	72.7	51	85.1	37	60.3	59	17.08	11	1
1953	73	44	86.6	18	59.4	86	8.50	90	1
1952	74.3	12	87.4	10	61.2	37	8.23	94	0
1951	73.6	28	87	15	60.1	63	5.70	108	0
1950	70.7	85	83.7	60	57.8	103	12.26	48	0
1949	76.3	3	89.8	5	62.9	16	11.58	59	0
1948	73.8	24	88	8	59.5	84	7.45	101	0
1947	72.6	53	85.4	33	59.8	72	12.75	37	0
1946	70.9	81	84.8	41	57.1	106	9.11	83	0
1945	70.8	82	84.2	53	57.5	105	13.66	30	0
1944	75.8	4	90.8	3	60.7	47	7.33	103	0
1943	74.6	8	87.6	9	61.6	25	15.11	23	0
1942	73.2	39	85.8	29	60.6	52	10.15	73	0
1941	73.4	31	86.1	22	60.7	47	17.95	8	0
1940	74	19	87.2	12	60.9	43	8.81	88	1
1939	74.3	12	87.4	10	61.3	34	17.53	10	0
1938	73.4	31	86.2	20	60.7	47	17.63	9	0
1937	74	19	86.7	17	61.3	34	12.55	43	0
1936	76.9	2	91.4	1	62.4	20	10.00	78	0
1935	73.4	31	84.8	41	61.9	23	15.25	21	0
1934	77.4	1	91.2	2	63.6	6	10.74	66	0
1933	74.4	11	88.8	6	60	67	7.51	100	0
1932	73.3	37	87.2	12	59.6	80	19.16	5	1
1931	74.6	8	87	15	62.1	22	15.23	22	2
1930	75.1	6	90.3	4	59.9	71	3.87	110	1
1929	70.5	95	83.3	66	57.6	104	19.20	4	0
1928	71.8	67	83.5	63	60.1	63	18.50	7	0
1927	67.8	108	79.9	105	55.7	108	13.06	36	2
1926	72.1	62	83.8	57	60.5	57	21.04	2	0
1925	73.2	39	85.8	29	60.7	47	15.02	24	0
1924	71.1	78	83.6	62	58.7	96	12.37	47	1
1923	72.8	47	86.2	20	59.4	86	11.92	55	2
1922	72.5	56	85.9	25	59.3	90	10.21	72	3
1921	75.3	5	88.2	7	62.3	21	13.71	29	0
1920	70.7	85	82.7	79	58.6	98			0
1919	73.9	22	87.1	14	60.8	45	10.15	73	0
1918	73.2	39	86.1	22	60.2	60	12.54	44	1
1917	70.5	95	82.8	74	58.1	101	11.33	60	0
1916							9.55	82	92
1915							14.13	26	92

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1934	77.4
1936	76.9
1949	76.3
1944	75.8
1921	75.3
1930	75.1
1983	74.8
2016	74.6
1943	74.6
1931	74.6

Coldest
Year	Mean, °F
1976	66.3
1927	67.8
1982	68.3
1979	68.8
1985	69.4
1997	69.7
1990	70
2003	70.1
1992	70.1
2004	70.2
More years share the last value

Wettest
Year	Precipitation, in
1958	23.21
1926	21.04
1979	20.39
1929	19.20
1932	19.16
2015	18.64
1928	18.50
1941	17.95
1938	17.63
1939	17.53

Driest
Year	Precipitation, in
1930	3.87
1967	4.51
1951	5.70
2012	6.17
1999	6.51
1965	7.00
1955	7.03
1944	7.33
1984	7.45
1948	7.45

The hottest, coldest and wettest days

Hottest day: 93°F; 3 July 2026
Coldest night: 49°F; 3 June 2026
Wettest day: 2.25 in; 18 June 2026

Every month, season and year

Months

Seasons

Years

Wilmington, OH the day's answers

All-time records

Every answer in words

Summer 2026 brought 15.74 in of precipitation in Wilmington, OH, the wettest summer since 2023, 18th wettest of 110.
The hottest day of summer 2026 in Wilmington, OH: 93°F on Friday 3 July 2026.
The coldest night of summer 2026 in Wilmington, OH: a low of 49°F on Wednesday 3 June 2026.
The wettest day of summer 2026 in Wilmington, OH: 2.25 in on Thursday 18 June 2026.