Dayton, OH: August

31 August 2026: August 2026 averaged 73.3°F in Dayton, OH, the coldest August since 2025, tied 65th coldest of 133 (with 1968).

August 2026

Mean temperature: 73.3°F; Coldest since 2025; 65th coldest of 133
Precipitation: 8.73 in; Wettest on record; Wettest of 129, provisional

A normal August in Dayton, OH (1991 to 2020): a mean temperature of 73.6°F, between 70.6°F and 75.9°F in eight years of ten and 2.82 in of precipitation, between 1.37 in and 4.55 in in eight years of ten.

The mean temperature of every August in Dayton, OH since 1893: 73.3°F in 2026; the lowest is 67.4°F, in 1915.

Normal range, 70.6 to 75.9°F

Every year, ranked, as a table

Every August in Dayton, OH 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	73.3	68	81.7	103	64.9	29	8.73	1	0
2025	71.3	110	81.1	112	61.5	98	1.34	112	0
2024	74.8	32	85.2	38	64.3	38	2.91	61	0
2023	73.1	71	82.6	88	63.6	50	4.47	25	0
2022	74.7	35	84.5	47	64.9	29	1.59	108	0
2021	76.9	10	86.5	21	67.4	7	2.91	61	0
2020	73.7	53	83.9	67	63.5	53	3.58	37	0
2019	74.3	43	84.3	58	64.2	41	1.26	114	0
2018	74.8	32	83.6	74	65.9	16	4.33	27	0
2017	70.7	120	80.6	119	60.7	106	3.03	57	0
2016	76.8	12	85.7	30	67.9	5	3.74	32	0
2015	70.7	120	80.6	119	60.8	105	1.94	94	0
2014	73.9	47	83.6	74	64.1	42	3.06	56	0
2013	72.8	82	82.9	83	62.7	71	1.38	110	0
2012	73	74	84.5	47	61.6	94	1.65	105	0
2011	73.9	47	84.5	47	63.3	59	2.02	92	0
2010	75.8	18	86.3	23	65.2	24	1.73	102	0
2009	71	115	80.4	122	61.5	98	2.03	91	0
2008	71.4	109	82.1	97	60.7	106	1.65	105	0
2007	76.9	10	87.6	11	66.1	14	3.28	48	0
2006	73.7	53	82.7	87	64.7	33	3.44	41	0
2005	74.9	31	84.6	45	65.3	22	4.40	26	0
2004	69	128	78.2	131	59.9	120	5.15	11	0
2003	73	74	81.8	101	64.1	42	3.83	30	0
2002	75.7	19	86	28	65.5	17	0.87	122	0
2001	73.5	63	82.1	97	64.9	29	6.40	9	0
2000	71	115	80.7	116	61.4	102	2.56	74	0
1999	71.3	110	82.5	90	60.1	117	1.80	101	0
1998	74.2	45	84.7	44	63.7	48	2.71	70	0
1997	69.7	125	79.1	129	60.4	109	2.55	75	0
1996	73.2	70	83.7	71	62.7	71	0.03	129	0
1995	78	4	87	17	69	2	7.54	4	0
1994	71.6	102	82.9	83	60.4	109	2.92	59	0
1993	75.1	30	86.1	26	64.1	42	3.32	46	0
1992	68.9	129	78.9	130	58.9	125	4.48	24	0
1991	73.7	53	84.8	43	62.6	75	2.13	88	0
1990	71.6	102	81.6	104	61.6	94	3.76	31	0
1989	72.2	97	81.9	100	62.5	78	1.89	95	0
1988	77.1	6	88	7	66.3	13	2.86	66	0
1987	73.1	71	84.4	56	61.9	89	0.65	125	0
1986	69.7	125	81	115	58.5	126	1.99	93	0
1985	70.8	119	80	125	61.5	98	2.50	79	0
1984	71.5	105	81.3	109	61.6	94	2.06	90	0
1983	75.7	19	87.1	16	64.4	37	1.16	118	0
1982	70.7	120	81.1	112	60.3	114	6.42	8	0
1981	72.8	82	83	82	62.6	75	3.51	38	0
1980	77	8	86.8	19	67.1	8	4.60	18	0
1979	71.5	105	80.5	121	62.6	75	7.95	3	0
1978	71.1	112	81.2	111	61	104	6.98	5	0
1977	72.7	88	82.1	97	63.4	56	3.59	35	0
1976	68.7	130	80.7	116	56.8	133	1.88	97	0
1975	74.5	38	84.3	58	64.7	33	4.75	17	0
1974	73.7	53	84.5	47	62.9	66	8.03	2	0
1973	74.5	38	84.5	47	64.5	35	3.93	29	0
1972	72.1	98	84.3	58	60	118	3.13	52	0
1971	71.1	112	80.7	116	61.4	102	3.11	54	0
1970	73.6	58	83.6	74	63.6	50	1.04	120	0
1969	72.9	79	83.8	69	62.1	85	3.39	44	0
1968	73.3	68	82.6	88	64	45	2.89	63	0
1967	70.9	118	81.5	107	60.2	116	0.34	128	0
1966	72.3	96	82.8	85	61.8	92	3.49	39	0
1965	73.1	71	84.5	47	61.7	93	1.35	111	0
1964	72.8	82	85.2	38	60.4	109	1.12	119	0
1963	68.5	131	79.4	128	57.5	131	2.29	83	0
1962	72.5	91	84.6	45	60.4	109	2.14	87	0
1961	72.8	82	82.4	93	63.2	61	3.16	51	0
1960	75.3	26	85.2	38	65.4	20	1.89	95	0
1959	77.1	6	86.6	20	67.5	6	3.59	35	0
1958	71.9	99	81.6	104	62.3	81	2.29	83	0
1957	73.6	58	84.1	61	63.1	62	0.36	127	0
1956	73	74	82.5	90	63.5	53	2.75	69	0
1955	77	8	87.5	12	66.5	11	1.20	116	0
1954	72.5	91	81.8	101	63.3	59	4.49	23	0
1953	74.7	35	86.4	22	63.1	62	2.89	63	0
1952	72.9	79	83.6	74	62.2	82	2.58	73	0
1951	72.8	82	83.5	80	62.1	85	1.71	103	0
1950	69.8	124	79.5	127	60	118	4.17	28	0
1949	73.5	63	83.6	74	63.4	56	2.61	72	0
1948	73	74	84	65	61.9	89	2.08	89	0
1947	79.9	1	89.2	4	70.6	1	4.82	15	0
1946	69.6	127	80.1	123	59.2	122	2.17	86	0
1945	73.5	63	84.1	61	62.9	66	2.55	75	0
1944	75.9	17	86.2	24	65.5	17	4.53	20	0
1943	75.2	27	85.5	33	65	28	2.41	82	0
1942	72.9	79	81.3	109	64.5	35	2.78	68	0
1941	73.8	50	83.9	67	63.7	48	4.53	20	0
1940	74.8	32	84.5	47	65.1	27	2.55	75	0
1939	73.6	58	83.6	74	63.6	50	1.47	109	0
1938	75.7	19	85.3	35	66	15	1.63	107	0
1937	76.5	15	86.2	24	66.9	10	4.92	14	0
1936	79.2	2	89.5	3	68.9	3	4.50	22	0
1935	75.2	27	84	65	66.4	12	2.47	81	0
1934	73.9	47	83.4	81	64.3	38	3.47	40	0
1933	72.4	95	81.6	104	63.1	62	3.36	45	0
1932	74.4	40	85.2	38	63.5	53	0.94	121	0
1931	73.6	58	82.4	93	64.8	32	2.27	85	0
1930	73.6	58	84.4	56	62.7	71	4.98	12	0
1929	70.7	120	81.1	112	60.3	114	1.21	115	0
1928	75.4	24	85.5	33	65.2	24	3.00	58	0
1927	68	132	78	132	58	130	1.71	103	0
1926	75.5	23	83.8	69	67.1	8	6.59	7	0
1925	73.4	67	84.5	47	62.4	79	2.49	80	0
1924	73.5	63	84.1	61	62.9	66	1.27	113	0
1923	72.8	82	82.8	85	62.9	66	3.23	50	0
1922	72.5	91	82.5	90	62.4	79	2.51	78	0
1921	72.5	91	82.3	96	62.7	71	3.30	47	0
1920	71.1	112	80	125	62.2	82	2.64	71	0
1919	71.5	105	81.4	108	61.6	94	3.12	53	0
1918	78	4	87.5	12	68.6	4	3.44	41	0
1917	72.6	90	82.4	93	62.8	70	3.74	32	0
1916	75.4	24	85.6	32	65.2	24	3.07	55	0
1915	67.4	133	75.7	133	59.1	123	4.76	16	0
1914	73.7	53	83.7	71	63.8	47	3.74	32	0
1913	75.7	19	86.1	26	65.3	22	1.81	100	0
1912	71	115	80.1	123	61.9	89	6.64	6	0
1911	73.8	50	83.7	71	64	45	3.25	49	0
1910	73	74	87.7	10	58.3	129	0.47	126	1
1909	74.4	40	87.3	14	61.5	98	3.41	43	0
1908	73.8	50	87.9	8	59.6	121	2.81	67	0
1907	71.6	102	84.1	61	59.1	123			0
1906	76.6	13	87.9	8	65.4	20	5.56	10	0
1905	74	46	86	28	62	87			0
1904	71.5	105	85.7	30	57.4	132	1.87	98	0
1903	74.3	43	88.1	6	60.5	108	1.17	117	0
1902	71.9	99	85.3	35	58.5	126	0.71	123	0
1901	76	16	89	5	63	65			0
1900	79.2	2	92.9	1	65.5	17	4.56	19	0
1899	76.6	13	91.2	2	62	87	0.70	124	1
1898	75.2	27	87	17	63.4	56	2.92	59	0
1897	71.9	99	85.3	35	58.5	126	2.89	63	0
1896	74.4	40	84.5	47	64.3	38	4.93	13	0
1894	74.7	35	87.2	15	62.2	82	1.85	99	1
1893	72.7	88	85	42	60.4	109			0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1947	79.9
1936	79.2
1900	79.2
1995	78
1918	78
1988	77.1
1959	77.1
1980	77
1955	77
2021	76.9
More years share the last value

Coldest
Year	Mean, °F
1915	67.4
1927	68
1963	68.5
1976	68.7
1992	68.9
2004	69
1946	69.6
1997	69.7
1986	69.7
1950	69.8

Wettest
Year	Precipitation, in
2026	8.73
1974	8.03
1979	7.95
1995	7.54
1978	6.98
1912	6.64
1926	6.59
1982	6.42
2001	6.40
1906	5.56

Driest
Year	Precipitation, in
1996	0.03
1967	0.34
1957	0.36
1910	0.47
1987	0.65
1899	0.70
1902	0.71
2002	0.87
1932	0.94
1970	1.04

The hottest, coldest and wettest days

Hottest day: 89°F; 10 August 2026
Coldest night: 53°F; 24 August 2026
Wettest day: 2.20 in; 1 August 2026

Every month, season and year

Months

Seasons

Years

Dayton, OH the day's answers

All-time records

Every answer in words

August 2026 brought 8.73 in of precipitation in Dayton, OH, the wettest August on record, in 129 years since 1894 (1895 excluded: 31 of 31 days missing; 1901 excluded: 13 of 31 days missing; 1905 excluded: 17 of 31 days missing; 1 more year excluded for missing days); provisional.
The hottest day of August 2026 in Dayton, OH: 89°F on Monday 10 August 2026.
The coldest night of August 2026 in Dayton, OH: a low of 53°F on Monday 24 August 2026.
The wettest day of August 2026 in Dayton, OH: 2.20 in on Saturday 1 August 2026.