Dayton, OH: December

31 December 2025: December 2025 averaged 31°F in Dayton, OH, the coldest December since 2017, tied 47th coldest of 131 (with 1973).

December 2025

Mean temperature: 31°F; Coldest since 2017; 47th coldest of 131
Precipitation: 1.76 in; Driest since 2022; 27th driest of 131

A normal December in Dayton, OH (1991 to 2020): a mean temperature of 33.1°F, between 26.5°F and 37.9°F in eight years of ten and 2.87 in of precipitation, between 1.58 in and 4.59 in in eight years of ten.

The mean temperature of every December in Dayton, OH since 1893: 31°F in 2025; the lowest is 19°F, in 1989.

Normal range, 26.5 to 37.9°F

Every year, ranked, as a table

Every December in Dayton, OH from 1893 to 2025, 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
2025	31	84	38.8	77	23.2	90	1.76	104	0
2024	36.7	24	43.5	30	29.9	17	4.86	7	0
2023	41.7	4	48.4	4	35	2	2.02	94	0
2022	33.9	54	41.3	53	26.5	59	1.50	112	0
2021	42.3	2	51.3	1	33.3	6	4.49	10	0
2020	35.1	41	42.6	38	27.5	44	0.98	122	0
2019	38	13	46.5	9	29.4	26	3.31	40	0
2018	36.8	22	43.6	28	30	16	4.63	8	0
2017	28.8	107	36.5	107	21.2	106	1.54	110	0
2016	30.3	96	36.6	106	24	84	2.99	57	0
2015	43.7	1	51.3	1	36.1	1	4.39	14	0
2014	35.3	38	41.9	48	28.7	35	2.79	67	0
2013	32.6	77	39.9	68	25.4	76	4.58	9	0
2012	38.4	10	44.6	17	32.1	10	3.77	23	0
2011	36.4	25	42.9	35	29.9	17	5.34	3	0
2010	25.1	122	30.7	127	19.5	116	1.45	115	0
2009	30.7	88	37.1	99	24.4	83	2.95	58	0
2008	30.7	88	39.8	71	21.7	102	5.12	4	0
2007	32.7	74	39.1	76	26.3	63	4.45	12	0
2006	37.9	14	46	11	29.8	20	3.66	25	0
2005	26.4	116	32.5	122	20.3	114	1.88	100	0
2004	30.7	88	38.5	79	23	95	1.61	107	0
2003	33	65	39.2	75	26.7	55	2.44	81	0
2002	30.7	88	36.7	104	24.7	81	3.20	45	0
2001	37.1	19	43.7	26	30.6	14	3.66	25	0
2000	20.5	130	28.3	130	12.8	131	2.41	82	0
1999	33.3	63	41.1	58	25.5	73	2.56	76	0
1998	37	20	44.9	15	29.1	30	2.13	91	0
1997	33.1	64	38.6	78	27.5	44	2.15	90	0
1996	35.5	35	42.7	37	28.2	39	4.13	17	0
1995	26.5	115	34.5	115	18.5	119	2.48	80	0
1994	37.6	17	44.8	16	30.4	15	2.76	69	0
1993	31.1	83	37.1	99	25	78	2.78	68	0
1992	33	65	39.9	68	26.1	68	1.58	108	0
1991	34.6	47	42.4	41	26.8	52	3.64	27	0
1990	36.2	28	45	14	27.5	44	10.04	1	0
1989	19	131	27.3	132	10.7	132	1.85	101	0
1988	30.8	86	39.5	73	22.2	100	2.65	71	0
1987	35.2	39	41.5	51	28.8	34	3.00	56	0
1986	32.8	73	38	89	27.6	43	2.87	61	0
1985	23.8	124	32.1	123	15.5	126	2.25	86	0
1984	38.1	12	46.4	10	29.8	20	3.83	20	0
1983	21.9	127	28.3	130	15.4	127	2.89	60	0
1982	39.6	7	46.6	7	32.6	8	3.72	24	0
1981	29.7	98	36.7	104	22.7	96	3.46	36	0
1980	31.2	81	38.5	79	23.9	86	1.44	116	0
1979	35	42	43.5	30	26.6	58	2.12	92	0
1978	34.3	50	42.4	41	26.3	63	4.45	12	0
1977	29	105	37.4	95	20.5	111	4.47	11	0
1976	26.4	116	36.1	108	16.7	123	0.67	127	0
1975	33.8	57	39.9	68	27.7	42	3.53	32	0
1974	33	65	38.1	86	27.8	41	2.86	62	0
1973	31	84	38.2	84	23.7	88	3.14	46	0
1972	33.6	59	41.5	51	25.7	70	2.81	65	0
1971	38.7	9	46.6	7	30.9	13	3.80	22	0
1970	35.5	35	43.7	26	27.3	47	1.95	98	0
1969	28.8	107	35	111	22.7	96	1.83	102	0
1968	30.5	93	37.9	92	23.1	93	3.48	34	0
1967	34.7	46	42.5	39	26.9	50	3.58	30	0
1966	33	65	39.7	72	26.3	63	2.81	65	0
1965	36.2	28	42.9	35	29.4	26	1.46	113	0
1964	33.5	61	41.3	53	25.7	70	3.33	39	0
1963	21.7	129	29.8	128	13.6	130	0.58	129	0
1962	26.1	120	34.6	114	17.6	121	0.59	128	0
1961	29.6	99	37.3	96	21.9	101	2.59	74	0
1960	24.4	123	32.9	120	15.8	124	1.76	104	0
1959	35.7	33	42.1	44	29.3	28	2.40	83	0
1958	22.7	126	31.4	126	14	128	0.54	130	0
1957	36.3	26	44	22	28.5	36	4.04	18	0
1956	39.3	8	45.6	12	33	7	3.05	53	0
1955	29.2	104	36.9	101	21.4	104	0.36	131	0
1954	31.9	78	38	89	25.7	70	2.18	88	0
1953	33	65	41.2	56	24.8	80	1.56	109	0
1952	34.6	47	40.2	66	29	32	2.71	70	0
1951	31.2	81	39.4	74	23.1	93	5.07	5	0
1950	23.7	125	31.6	125	15.8	124	2.53	77	0
1949	35	42	43.8	24	26.3	63	3.10	51	0
1948	33.9	54	41.2	56	26.7	55	2.38	84	0
1947	33.7	58	40.5	63	26.9	50	2.63	73	0
1946	37.4	18	45.5	13	29.3	28	3.13	47	0
1945	27	112	33	119	21	107	2.65	71	0
1944	27.9	110	34.5	115	21.4	104	2.84	64	0
1943	30.8	86	38.2	84	23.4	89	0.98	122	0
1942	29.3	102	35.9	110	22.7	96	3.12	50	0
1941	38.3	11	44.3	19	32.3	9	3.31	40	0
1940	37.8	15	44.6	17	31	12	3.13	47	0
1939	35.8	32	42	45	29.5	24	1.46	113	0
1938	35	42	41.6	50	28.4	37	1.31	120	0
1937	30.4	94	36	109	24.9	79	3.49	33	0
1936	36.8	22	44	22	29.6	23	2.02	94	0
1935	26.4	116	31.8	124	20.9	108	2.53	77	0
1934			38.1	86	24.7	81	1.32	118	5
1933	35.7	33	43.2	33	28.4	37	3.04	55	1
1932	33	65	40.5	63	25.5	73	4.87	6	0
1931	41.4	5	47.9	5	34.8	3	4.29	15	0
1930	31.6	79	36.9	101	26.4	61	0.97	124	0
1929	32.7	74	38.5	79	26.8	52	3.21	44	0
1928	36.3	26	43.1	34	29.5	24	2.09	93	0
1927	32.9	72	40.4	65	25.3	77	2.49	79	0
1926	30.6	92	37.3	96	23.9	86	2.30	85	0
1925	29.6	99	36.8	103	22.4	99	0.72	125	0
1924	29	105	37.2	98	20.8	109	3.57	31	0
1923	42.2	3	49.5	3	34.8	3	6.84	2	0
1922	34.3	50	42.2	43	26.4	61	3.62	28	0
1921	34.9	45	40.7	60	29	32	3.48	34	0
1920	33.9	54	40	67	27.9	40	1.54	110	0
1919	26.7	113	34.7	112	18.7	118	1.66	106	0
1918	41.3	6	47.8	6	34.8	3	2.92	59	0
1917	21.9	127	29.7	129	14	128	1.15	121	0
1916	29.9	97	38.1	86	21.7	102	2.16	89	0
1915	31.6	79	37.7	93	25.5	73	3.30	42	0
1914	26.7	113	32.8	121	20.5	111	2.86	62	0
1913	36.2	28	42.5	39	29.9	17	0.72	125	0
1912	34.4	49	41.9	48	27	49	1.96	97	0
1911	37.7	16	43.8	24	31.7	11	3.13	47	0
1910	27.5	111	34.4	117	20.5	111	1.95	98	0
1909	26.4	116	33.8	118	19	117	2.59	74	0
1908	35.2	39	44.2	20	26.3	63	1.32	118	0
1907	34.3	50	42	45	26.7	55	3.08	52	0
1906	33.5	61	40.9	59	26.1	68	3.62	28	0
1905	33.6	59	40.6	61	26.5	59	2.20	87	0
1904	29.3	102	38.5	79	20	115	4.16	16	1
1903	25.8	121	34.7	112	16.8	122	2.00	96	0
1902	30.4	94	38	89	23.2	90	3.95	19	1
1901	28	109	37.5	94	18.5	119	3.83	20	0
1900	33	65	42	45	24	84	1.78	103	0
1899	32.7	74	40.6	61	23.2	90	3.34	38	2
1898	29.5	101	38.4	83	20.7	110	3.05	53	0
1897	34	53	41.3	53	26.8	52	3.24	43	0
1896	36.2	28	43.4	32	29.1	30	1.44	116	0
1895	37	20	44.1	21	29.8	20	3.40	37	0
1894									9
1893	35.4	37	43.6	28	27.1	48			0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2015	43.7
2021	42.3
1923	42.2
2023	41.7
1931	41.4
1918	41.3
1982	39.6
1956	39.3
1971	38.7
2012	38.4

Coldest
Year	Mean, °F
1989	19
2000	20.5
1963	21.7
1983	21.9
1917	21.9
1958	22.7
1950	23.7
1985	23.8
1960	24.4
2010	25.1

Wettest
Year	Precipitation, in
1990	10.04
1923	6.84
2011	5.34
2008	5.12
1951	5.07
1932	4.87
2024	4.86
2018	4.63
2013	4.58
2021	4.49

Driest
Year	Precipitation, in
1955	0.36
1958	0.54
1963	0.58
1962	0.59
1976	0.67
1925	0.72
1913	0.72
1930	0.97
2020	0.98
1943	0.98

The hottest, coldest and wettest days

Hottest day: 68°F; 28 December 2025
Coldest night: -2°F; 15 December 2025, 14 December 2025
Wettest day: 0.57 in; 18 December 2025

Every month, season and year

Months

Seasons

Years

Dayton, OH the day's answers

All-time records

Every answer in words

December 2025 brought 1.76 in of precipitation in Dayton, OH, the driest December since 2022, tied 27th driest of 131 (with 1960).
The hottest day of December 2025 in Dayton, OH: 68°F on Sunday 28 December 2025.
The coldest night of December 2025 in Dayton, OH: a low of -2°F on Monday 15 December 2025 and Sunday 14 December 2025.
The wettest day of December 2025 in Dayton, OH: 0.57 in on Thursday 18 December 2025.