Chattanooga, TN: December

31 December 2025: December 2025 averaged 46°F in Chattanooga, TN, the warmest December since 2023, tied 30th warmest of 146 (with 1883).

December 2025

Mean temperature: 46°F; Warmest since 2023; 30th warmest of 146
Precipitation: 1.91 in; Driest since 2010; 11th driest of 147

A normal December in Chattanooga, TN (1991 to 2020): a mean temperature of 44.8°F, between 39.8°F and 48.2°F in eight years of ten and 4.98 in of precipitation, between 3.18 in and 8.12 in in eight years of ten.

The mean temperature of every December in Chattanooga, TN since 1879: 46°F in 2025; the highest is 57.5°F, in 1889.

Normal range, 39.8 to 48.2°F

Every year, ranked, as a table

Every December in Chattanooga, TN from 1879 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	46	30	56.8	19	35.2	52	1.91	136	0
2024	45.7	34	55.2	30	36.2	38	3.28	112	0
2023	47	21	57.1	13	36.9	32	6.19	45	0
2022	45	42	53.8	51	36.2	38	6.10	47	0
2021	52.8	3	63.5	2	42.2	5	4.72	73	0
2020	43.7	60	54.2	42	33.3	86	4.46	80	0
2019	49.2	11	58.4	8	40.1	12	4.91	70	0
2018	45.5	36	53.1	62	37.8	24	9.00	9	0
2017	42.9	76	51.6	78	34.1	71	3.34	110	0
2016	44.7	47	53.5	58	36	42	5.05	64	0
2015	54.2	2	63.1	3	45.4	2	10.41	6	0
2014	45.9	32	53.7	55	38.1	22	4.40	81	0
2013	44.9	44	54.2	42	35.6	45	7.98	24	0
2012	48.1	15	57	16	39.3	16	5.56	51	0
2011	46.6	23	56.3	23	36.8	33	6.53	40	0
2010	35.9	141	44	142	27.8	136	1.43	143	0
2009	41	102	49.1	113	33	91	7.44	29	0
2008	45.1	39	54	45	36.1	41	9.75	8	0
2007	49	12	58.5	7	39.5	14	3.50	103	0
2006	46.2	28	58.3	10	34.1	71	3.42	107	0
2005	39	121	48.5	119	29.5	121	3.85	90	0
2004	41.8	90	52.4	70	31.2	107	6.60	38	0
2003	40.5	108	50.8	90	30.1	118	4.38	82	0
2002	41.9	86	50.9	88	32.8	94	6.74	36	0
2001	47.8	17	57.7	11	37.8	24	5.08	63	0
2000	36.2	139	44.7	138	27.7	137	2.09	133	0
1999	45	42	56.7	20	33.4	82	1.83	139	0
1998	47.7	18	56.5	21	39	18	6.31	42	0
1997	41	102	49	114	32.9	93	3.30	111	0
1996	44.7	47	54.8	35	34.5	61	3.45	105	0
1995	39.9	115	48.9	116	30.8	115	3.83	91	0
1994	47.3	19	56.9	18	37.6	27	3.87	89	0
1993	43	72	52.6	66	33.3	86	5.26	59	0
1992	42.5	80	49.3	111	35.6	45	5.60	50	0
1991	45.1	39	55	33	35.3	49	8.02	22	0
1990	46.4	26	56.1	24	36.7	35	10.34	7	0
1989	35	144	44.7	138	25.2	146	3.71	94	0
1988	42.3	83	53.7	55	30.9	112	3.54	102	0
1987	45.5	36	55.5	28	35.5	47	3.25	114	0
1986	41.5	95	49.5	105	33.4	82	4.82	72	0
1985	36.7	136	47.8	122	25.6	145	2.36	129	0
1984	49	12	60.2	5	37.7	26	1.84	138	0
1983	37	134	45.6	135	28.4	133	8.34	17	0
1982	48	16	56.4	22	39.5	14	8.05	21	0
1981	38.2	125	46.2	132	30.2	117	5.02	66	0
1980	41.2	100	53.3	60	29.1	125	0.90	144	0
1979	41.3	99	51.6	78	30.9	112	1.66	141	0
1978	44.3	52	55.2	30	33.4	82	7.57	28	0
1977	40.5	108	50.3	96	30.8	115	2.37	128	0
1976	37.3	131	49.6	102	25.1	147	5.54	52	0
1975	39.4	118	49.5	105	29.2	123	4.98	69	0
1974	40.6	106	50.1	98	31.2	107	4.51	76	0
1973	41.5	95	51.5	83	31.5	104	8.34	17	0
1972	43.1	71	51.7	76	34.4	67	7.09	32	0
1971	49.4	8	57.7	11	41.1	9	6.56	39	0
1970	44.2	53	54.7	36	33.7	75	4.30	84	0
1969	35.8	142	44.2	141	27.4	139	7.98	24	0
1968	38.8	122	48.6	118	29.1	125	3.98	88	0
1967	45.8	33	54.3	41	37.2	30	7.89	26	0
1966	40.3	111	49.6	102	31.1	110	3.58	99	0
1965	41.5	95	53.9	47	29	131	0.86	145	0
1964	43.9	57	53.2	61	34.6	58	3.59	98	0
1963	34.5	145	43	146	25.9	142	5.05	64	0
1962	37.1	133	46.8	129	27.3	140	3.28	112	0
1961	42.1	84	50.4	94	33.7	75	13.68	1	0
1960	36.4	138	46.9	128	25.9	142	4.19	86	0
1959	43.7	60	53	63	34.5	61	4.50	77	0
1958	38.4	123	49.6	102	27.3	140	1.81	140	0
1957	43.6	64	53.8	51	33.4	82	4.55	75	0
1956	51.4	4	62.2	4	40.6	11	5.12	61	0
1955	40.8	104	50.6	92	31	111	2.32	130	0
1954	40.2	113	49.5	105	30.9	112	8.67	13	0
1953	40.1	114	50.9	88	29.4	122	5.96	49	0
1952	41.9	86	51.5	83	32.3	100	4.62	74	0
1951	44.2	53	55	33	33.5	78	8.89	11	0
1950	37.6	129	46.5	130	28.7	132	2.69	125	0
1949	43.3	69	53.4	59	33.2	88	4.37	83	0
1948	43.6	64	52.6	66	35.3	49	5.17	60	2
1947	41.8	90	53.9	47	29.7	120	3.10	119	0
1946	44.6	49	56.1	24	33.2	88	5.00	67	0
1945	35.8	142	43.4	144	28.2	135	6.29	43	0
1944	37.9	128	47.2	125	29.1	125	6.04	48	1
1943	40.4	110	51.1	85	29.8	119	3.00	121	0
1942	39.6	117	47.9	121	31.4	105	11.69	2	0
1941	44.2	53	54.7	36	33.7	75	5.39	55	0
1940	44.5	50	55.5	28	33.5	78	4.47	79	0
1939	45.1	39	54	45	36.2	38	3.39	109	0
1938	43.8	58	52.3	72	35.3	49	2.30	131	0
1937	42.6	79	50.1	98	35.1	53	3.18	115	0
1936	47.2	20	54.7	36	39.8	13	7.00	33	0
1935	36	140	42.9	147	29.1	125	2.97	122	0
1934	42.4	82	50.1	98	34.7	57	3.18	115	0
1933	51.1	5	59.6	6	42.6	4	3.57	100	0
1932	44.8	46	52.1	75	37.5	28	10.92	4	0
1931	50.7	6	57.1	13	44.3	3	11.36	3	0
1930	39.4	118	45.8	134	33	91	3.66	96	0
1929	41.6	94	50.7	91	32.5	98	2.89	123	0
1928	43.6	64	52.6	66	34.6	58	1.52	142	0
1927	43	72	51.6	78	34.4	67	7.31	30	0
1926	44.4	51	52.5	69	36.4	37	10.54	5	0
1925	40.6	106	49	114	32.1	102	3.56	101	0
1924	43	72	51.1	85	34	73	7.71	27	2
1923	49.4	8	57	16	41.7	6	5.09	62	0
1922	49.3	10	57.1	13	41.5	7	8.95	10	0
1921	46.8	22	55.1	32	38.5	21	2.86	124	0
1920	42.7	78	49.8	101	35.7	44	8.02	22	0
1919	42.5	80	50.4	94	34.5	61	4.88	71	0
1918	48.5	14	56.1	24	40.9	10	5.33	58	0
1917	34.5	145	43.2	145	25.7	144	2.13	132	0
1916	41.5	95	49.5	105	33.5	78	4.22	85	0
1915	41.9	86	49.4	110	34.5	61	8.53	15	0
1914	38.4	123	44	142	32.8	94	8.17	19	0
1913	44.2	53	51.6	78	36.8	33	3.43	106	0
1912	42	85	50.3	96	34.4	67	7.26	31	2
1911	46.5	25	54.1	44	38.9	19	8.67	13	0
1910	37.2	132	45.1	136	29.2	123	5.00	67	0
1909	36.6	137	44.9	137	28.3	134	5.39	55	0
1908	46.2	28	53.8	51	38.6	20	6.67	37	0
1907	43	72	50.6	92	35.4	48	3.70	95	0
1906	45.3	38	52.4	70	38.1	22	3.75	93	0
1905	41.9	86	49.3	111	34.4	67	6.29	43	0
1904	43.2	70	51.7	76	34.6	58	4.12	87	0
1903	37	134	46.5	130	27.6	138	1.91	136	0
1902	41.7	92	48.8	117	34.5	61	3.61	97	0
1901	37.5	130	46	133	29.1	125	8.07	20	0
1900	43.5	67	52.2	73	34.8	55	2.57	127	0
1899	40.3	111	48.4	120	32.3	100	6.11	46	0
1898	41.1	101	49.5	105	32.7	97	2.04	134	0
1897	43.8	58	51.1	85	36.5	36	6.91	34	0
1896	43.7	60	53.9	47	33.5	78	0.83	146	0
1895			52.8	64	32.8	94	3.11	118	4
1894	46.3	27	53.8	51	37	31	6.45	41	2
1893	43.7	60	53.7	55	34.5	61	3.46	104	2
1892	39.7	116	47.7	124	32.5	98	4.49	78	2
1891	45.6	35	55.6	27	35.9	43	5.38	57	2
1890	44.9	44	54.7	36	35.1	53	3.13	117	0
1889	57.5	1	67.3	1	47.4	1	0.44	147	2
1888	42.8	77	52.8	64	33.1	90	1.99	135	2
1887	40.8	104	47.8	122	33.8	74	5.46	53	0
1886	38.2	125	47.2	125	29.1	125	3.09	120	0
1885	41.7	92	51.6	78	31.8	103	3.41	108	0
1884	43.5	67	52.2	73	34.8	55	6.80	35	0
1883	46	30	54.6	40	37.5	28	3.82	92	0
1882	39.2	120	47.2	125	31.2	107	2.61	126	0
1881	46.6	23	53.9	47	39.2	17	8.83	12	0
1880	38.1	127	44.7	138	31.4	105	5.46	53	0
1879	49.9	7	58.4	8	41.4	8	8.47	16	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1889	57.5
2015	54.2
2021	52.8
1956	51.4
1933	51.1
1931	50.7
1879	49.9
1971	49.4
1923	49.4
1922	49.3

Coldest
Year	Mean, °F
1963	34.5
1917	34.5
1989	35
1969	35.8
1945	35.8
2010	35.9
1935	36
2000	36.2
1960	36.4
1909	36.6

Wettest
Year	Precipitation, in
1961	13.68
1942	11.69
1931	11.36
1932	10.92
1926	10.54
2015	10.41
1990	10.34
2008	9.75
2018	9.00
1922	8.95

Driest
Year	Precipitation, in
1889	0.44
1896	0.83
1965	0.86
1980	0.90
2010	1.43
1928	1.52
1979	1.66
1958	1.81
1999	1.83
1984	1.84

The hottest, coldest and wettest days

Hottest day: 78°F; 27 December 2025
Coldest night: 16°F; 15 December 2025
Wettest day: 0.64 in; 18 December 2025

Every month, season and year

Months

Seasons

Years

Chattanooga, TN the day's answers

All-time records

Every answer in words

December 2025 brought 1.91 in of precipitation in Chattanooga, TN, the driest December since 2010, tied 11th driest of 147 (with 1903).
The hottest day of December 2025 in Chattanooga, TN: 78°F on Saturday 27 December 2025.
The coldest night of December 2025 in Chattanooga, TN: a low of 16°F on Monday 15 December 2025.
The wettest day of December 2025 in Chattanooga, TN: 0.64 in on Thursday 18 December 2025.