Knoxville, TN: December

31 December 2025: December 2025 averaged 43.7°F in Knoxville, TN, the warmest December since 2024, tied 39th warmest of 155 (with 1891).

December 2025

Mean temperature: 43.7°F; Warmest since 2024; 39th warmest of 155
Precipitation: 2.27 in; Driest since 2010; 22nd driest of 155

A normal December in Knoxville, TN (1991 to 2020): a mean temperature of 42.6°F, between 37.5°F and 45.6°F in eight years of ten and 4.94 in of precipitation, between 2.19 in and 7.88 in in eight years of ten.

The mean temperature of every December in Knoxville, TN since 1871: 43.7°F in 2025; the highest is 54.1°F, in 1889.

Normal range, 37.5 to 45.6°F

Every year, ranked, as a table

Every December in Knoxville, TN from 1871 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	43.7	39	53.1	36	34.3	44	2.27	134	0
2024	43.8	36	53.8	27	33.8	52	5.58	42	0
2023	45	22	54.8	18	35.3	35	6.06	34	0
2022	41.6	66	50.4	65	32.9	65	5.66	40	0
2021	50.9	4	61.1	3	40.6	6	3.52	93	0
2020	39.9	96	49.7	76	30	114	3.74	84	0
2019	47.1	12	56.7	9	37.4	13	4.96	59	0
2018	43.8	36	51.2	56	36.5	23	7.50	18	0
2017	40.6	81	49.1	87	32.2	77	3.38	98	0
2016	42.8	51	51.3	54	34.3	44	6.96	24	0
2015	52.5	2	61.6	2	43.5	2	7.84	15	0
2014	43.2	47	50.2	68	36.3	25	4.24	76	0
2013	43.3	45	52.4	44	34.3	44	8.23	11	0
2012	46	17	54.8	18	37.2	15	6.18	32	0
2011	45	22	54.8	18	35.2	37	4.91	61	0
2010	32.8	149	40.6	151	25	149	2.20	136	0
2009	39	113	47.2	114	30.8	109	6.29	29	0
2008	42.1	60	51.3	54	32.9	65	8.98	6	0
2007	45.5	20	55.5	15	35.5	31	4.20	77	0
2006	44.3	32	56	12	32.6	69	2.09	139	0
2005	37.6	125	46.6	121	28.5	128	2.83	112	0
2004	39.9	96	50.2	68	29.5	122	5.56	43	0
2003	38.4	120	48.5	92	28.4	129	3.40	97	0
2002	40.6	81	49.2	85	32.1	79	5.35	50	0
2001	45.6	18	54.6	21	36.5	23	4.66	68	0
2000	34	147	42	146	26	144	2.45	128	0
1999	42.3	58	53.1	36	31.6	92	1.70	147	0
1998	44.4	30	52.5	43	36.2	26	5.95	36	0
1997	39.2	110	46.9	119	31.5	96	2.37	130	0
1996	43.3	45	53	40	33.6	54	5.44	46	0
1995	37	129	45.4	132	28.7	127	2.50	123	0
1994	44.8	27	54.1	25	35.5	31	2.02	140	0
1993	40.2	88	47.8	103	32.6	69	7.04	22	0
1992	40	93	46.4	124	33.5	58	6.68	26	0
1991	43.5	41	52.6	41	34.4	42	10.23	3	0
1990	45	22	54.4	24	35.7	29	8.99	5	0
1989	32.2	153	40.7	150	23.6	153	2.74	115	0
1988	40.4	86	51.7	52	29.1	126	3.99	82	0
1987	43.5	41	54	26	32.9	65	3.49	94	0
1986	39.1	112	47.6	107	30.5	110	4.08	79	0
1985	34.8	141	45.8	129	23.8	152	2.36	131	0
1984	47.5	9	59	5	36	28	2.49	124	0
1983	36.4	136	45.8	129	27	137	5.69	39	0
1982	46.3	15	55.9	13	36.8	20	4.89	62	0
1981	38.7	118	46.4	124	30.9	106	4.14	78	0
1980	40.1	90	50.5	64	29.7	118	1.78	145	0
1979	42.1	60	52.2	48	32.1	79	1.92	142	0
1978	42.8	51	53.8	27	31.8	88	5.91	37	0
1977	40.1	90	50.3	66	30	114	3.30	103	0
1976	37.5	126	48.3	96	26.6	140	4.42	72	0
1975	41.1	71	51	57	31.1	102	3.59	90	0
1974	41.8	64	50.2	68	33.5	58	4.52	70	0
1973	41.1	71	50.3	66	31.9	85	7.38	19	0
1972	44.8	27	52.1	50	37.4	13	7.02	23	0
1971	50.3	5	58.4	6	42.3	4	5.48	44	0
1970	44.1	35	53.6	31	34.5	39	4.67	67	0
1969	37.7	124	45	134	30.3	113	7.74	17	0
1968	37	129	46.8	120	27.2	134	3.22	105	0
1967	44.6	29	53.7	29	35.4	33	6.95	25	0
1966	40	93	48.1	101	31.9	85	2.66	122	0
1965	43	50	53.5	32	32.5	71	0.45	155	0
1964	43.5	41	52.3	47	34.7	38	4.02	81	0
1963	30.1	154	37.5	154	22.8	154	2.86	111	0
1962	37	129	46.2	127	27.8	130	3.67	87	0
1961	39.9	96	47.5	109	32.3	73	11.64	2	0
1960	35.2	138	44.9	135	25.5	147	3.61	89	0
1959	42.5	55	51.6	53	33.5	58	4.03	80	0
1958	37.4	127	47.3	112	27.5	131	2.19	137	0
1957	43.8	36	53.2	35	34.5	39	5.16	54	0
1956	51.4	3	60	4	42.8	3	8.06	12	0
1955	38.8	117	47.9	102	29.7	118	2.73	116	0
1954	38.5	119	47	116	30	114	5.97	35	0
1953	39.3	109	49.4	83	29.3	124	3.36	99	0
1952	40.7	79	49.2	85	32.3	73	3.99	82	0
1951	43.5	41	53.7	29	33.2	61	5.43	47	0
1950	35.4	137	43.9	137	26.8	139	3.07	107	0
1949	43.1	48	53.3	34	32.9	65	3.03	108	0
1948	42.4	56	50.6	62	34.2	47	5.81	38	0
1947	41.1	71	52	51	29.9	117	2.13	138	1
1946	44.2	33	54.5	22	33.9	50	4.41	73	0
1945	35	139	42.8	141	27.2	134	5.48	44	0
1944	37.1	128	44.8	136	29.5	122	4.71	66	0
1943	39.8	101	48.4	94	31.2	100	1.54	150	0
1942	39	113	47.5	109	30.5	110	8.30	9	0
1941	45.1	21	53.1	36	37.2	15	2.45	128	0
1940	46.2	16	55.3	16	37	19	2.90	110	0
1939	42.4	56	50.6	62	34.1	48	3.18	106	0
1938	39.9	96	48.6	91	31.1	102	2.71	119	0
1937	39.5	104	47.3	112	31.8	88	3.29	104	0
1936	44.9	25	53.1	36	36.7	21	6.21	31	0
1935	32.6	150	39.7	153	25.5	147	1.70	147	0
1934	39.4	107	47.1	115	31.7	90	2.72	118	0
1933	48.7	7	57.4	7	40.1	8	3.33	101	0
1932	43.1	48	51	57	35.3	35	8.41	8	0
1931	49.2	6	56.2	11	42.2	5	7.92	13	0
1930	36.9	132	42.8	141	30.9	106	2.30	133	0
1929	39.4	107	48.3	96	30.5	110	2.73	116	0
1928	41.5	69	50.9	60	32.1	79	1.15	152	0
1927	40.6	81	49.6	78	31.6	92	5.14	56	0
1926	41.6	66	49.5	79	33.6	54	9.73	4	0
1925	39.2	110	47	116	31.4	98	1.83	144	0
1924	40.2	88	48.4	94	32	83	8.46	7	0
1923	47.9	8	57.4	7	38.3	10	3.70	86	0
1922	46.6	13	55.2	17	38.1	12	7.27	20	0
1921	44.4	30	52.2	48	36.6	22	2.26	135	0
1920	40.9	76	48.3	96	33.6	54	5.03	58	0
1919	41	75	49	88	33.1	63	4.25	74	0
1918	47.5	9	54.5	22	40.5	7	5.32	52	0
1917	32.5	152	40.9	149	24.2	151	1.48	151	0
1916	39	113	48.2	99	29.7	118	3.63	88	0
1915	39.8	101	47.5	109	32.2	77	7.77	16	0
1914	36.8	133	42.6	143	30.9	106	7.86	14	0
1913	42.7	54	51	57	34.4	42	3.59	90	0
1912	39.7	103	47.8	103	31.6	92	6.33	28	0
1911	44.9	25	52.6	41	37.2	15	4.84	63	0
1910	34.4	143	41.8	147	26.9	138	4.94	60	0
1909	34	147	42.2	145	25.8	145	2.49	124	0
1908	42.8	51	50.1	72	35.6	30	5.65	41	0
1907	40.8	78	48.5	92	33.1	63	3.72	85	0
1906	41.4	70	48.8	90	34	49	3.57	92	0
1905	39.9	96	47.7	106	32	83	5.16	54	0
1904	40	93	48.2	99	31.9	85	5.37	49	0
1903	34.4	143	43	139	25.8	145	1.98	141	0
1902	39.5	104	47	116	32.1	79	3.46	96	0
1901	35	139	43.7	138	26.3	143	12.34	1	0
1900	41.7	65	49.8	74	33.6	54	2.75	114	0
1899	37.9	122	46.1	128	29.6	121	2.70	120	0
1898	37.9	122	46.5	122	29.3	124	1.67	149	0
1897	41.6	66	49.5	79	33.7	53	5.42	48	0
1896	40.7	79	50.2	68	31.1	102	0.95	154	0
1895	40.6	81	49.5	79	31.7	90	2.93	109	0
1894	42.1	60	49.7	76	34.5	39	6.26	30	0
1893	42	63	50.7	61	33.2	61	2.49	124	0
1892	38.2	121	45.4	132	31.1	102	3.32	102	0
1891	43.7	39	53.5	32	33.9	50	4.25	74	0
1890	40.1	90	47.8	103	32.5	71	4.66	68	0
1889	54.1	1	62.7	1	45.5	1	0.98	153	0
1888	39.5	104	47.6	107	31.4	98	1.90	143	0
1887	39	113	46.5	122	31.6	92	3.49	94	0
1886	34.7	142	43	139	26.5	141	5.34	51	0
1885	40.5	85	49.8	74	31.2	100	4.45	71	0
1884	40.4	86	49.3	84	31.5	96	6.11	33	0
1883	41.1	71	49.9	73	32.3	73	3.35	100	0
1882	36.8	133	46.3	126	27.3	133	2.47	127	0
1881	44.2	33	52.4	44	36.1	27	5.32	52	0
1880	34.3	146	41.5	148	27.1	136	4.84	63	0
1879	47.4	11	56.6	10	38.2	11	8.28	10	0
1878	34.4	143	42.3	144	26.5	141	5.10	57	0
1877	46.5	14	55.7	14	37.2	15	2.36	131	0
1876	29.5	155	36.9	155	22.1	155	1.74	146	0
1875	45.6	18	52.4	44	38.8	9	7.21	21	0
1874	40.9	76	49.5	79	32.3	73	2.69	121	0
1873	42.2	59	48.9	89	35.4	33	4.83	65	0
1872	32.6	150	40.5	152	24.7	150	6.68	26	0
1871	36.6	135	45.6	131	27.5	131	2.78	113	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1889	54.1
2015	52.5
1956	51.4
2021	50.9
1971	50.3
1931	49.2
1933	48.7
1923	47.9
1984	47.5
1918	47.5

Coldest
Year	Mean, °F
1876	29.5
1963	30.1
1989	32.2
1917	32.5
1935	32.6
1872	32.6
2010	32.8
2000	34
1909	34
1880	34.3

Wettest
Year	Precipitation, in
1901	12.34
1961	11.64
1991	10.23
1926	9.73
1990	8.99
2008	8.98
1924	8.46
1932	8.41
1942	8.30
1879	8.28

Driest
Year	Precipitation, in
1965	0.45
1896	0.95
1889	0.98
1928	1.15
1917	1.48
1943	1.54
1898	1.67
1999	1.70
1935	1.70
1876	1.74

The hottest, coldest and wettest days

Hottest day: 73°F; 28 December 2025, 27 December 2025
Coldest night: 13°F; 15 December 2025
Wettest day: 0.90 in; 2 December 2025

Every month, season and year

Months

Seasons

Years

Knoxville, TN the day's answers

All-time records

Every answer in words

December 2025 brought 2.27 in of precipitation in Knoxville, TN, the driest December since 2010, 22nd driest of 155.
The hottest day of December 2025 in Knoxville, TN: 73°F on Sunday 28 December 2025 and Saturday 27 December 2025.
The coldest night of December 2025 in Knoxville, TN: a low of 13°F on Monday 15 December 2025.
The wettest day of December 2025 in Knoxville, TN: 0.90 in on Tuesday 2 December 2025.