Knoxville, TN: Summer

31 August 2026: Summer 2026 averaged 78.8°F in Knoxville, TN, the warmest summer since 2016, 14th warmest of 156.

Summer 2026

Mean temperature: 78.8°F; Warmest since 2016; 14th warmest of 156
Precipitation: 13.94 in; Wettest since 2023; 49th wettest of 156

A normal summer in Knoxville, TN (1991 to 2020): a mean temperature of 77.3°F, between 75.4°F and 79.4°F in eight years of ten and 12.83 in of precipitation, between 9.05 in and 17.73 in in eight years of ten.

The mean temperature of every summer in Knoxville, TN since 1871: 78.8°F in 2026; the highest is 81°F, in 2010.

Normal range, 75.4 to 79.4°F

Every year, ranked, as a table

Every summer in Knoxville, TN from 1871 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	78.8	14	88.3	30	69.4	5	13.94	49	0
2025	78.7	15	88.3	30	69.2	7	11.26	94	0
2024	78.5	17	88.9	20	68.1	23	13.55	56	0
2023	76.3	86	85.8	93	66.9	64	18.32	10	0
2022	78.6	16	88.4	29	68.7	12	12.47	70	0
2021	77.7	42	87.4	54	68	27	14.67	38	0
2020	78.1	30	87.9	44	68.2	18	14.66	39	0
2019	77.3	53	87.2	58	67.4	40	16.03	23	0
2018	77.8	38	87.5	53	68.2	18	14.09	46	0
2017	76	97	85.7	99	66.3	93	13.39	57	0
2016	80.4	2	90.7	5	70.1	2	11.56	89	0
2015	77.7	42	87.2	58	68.2	18	15.44	31	0
2014	75.6	119	85.3	113	65.9	112	13.23	61	0
2013	75.9	101	84.8	127	67.1	55	19.96	5	0
2012	77.8	38	88.3	30	67.3	42	12.94	64	0
2011	80	4	91	2	68.9	11	6.54	149	0
2010	81	1	91.2	1	70.9	1	9.94	119	0
2009	75.6	119	84.9	124	66.3	93	18.04	12	0
2008	77.2	55	87.9	44	66.5	84	11.14	97	0
2007	79.2	10	90.2	10	68.2	18	10.18	117	0
2006	78.4	21	88.9	20	68	27	12.71	67	0
2005	77.6	47	86.7	74	68.5	14	11.84	82	0
2004	75	132	83.9	144	66.2	103	17.70	14	0
2003	75.4	126	84.5	131	66.4	88	16.20	19	0
2002	78.2	24	88.5	28	67.9	32	10.97	102	0
2001	76.1	94	85.4	108	66.9	64	11.76	85	0
2000	76.3	86	85.8	93	66.8	68	10.88	106	0
1999	77.1	58	87.1	62	67.1	55	19.09	7	0
1998	77.7	42	87.3	57	68	27	15.72	26	0
1997	75.3	127	84.8	127	65.9	112	11.47	90	0
1996	75.7	114	85.4	108	66.1	109	9.06	132	0
1995	78.5	17	89.9	14	67.2	49	6.31	152	0
1994	76.3	86	85.9	90	66.8	68	16.10	21	0
1993	79.3	8	90.6	7	67.9	32	8.97	134	0
1992	74.6	141	83.7	145	65.5	124	11.91	80	0
1991	76.9	68	86.5	77	67.4	40	15.60	28	0
1990	77.1	58	87.8	47	66.3	93	12.30	71	0
1989	75.9	101	85.5	106	66.2	103	14.05	47	0
1988	77.6	47	90.2	10	64.9	143	7.31	147	0
1987	77.9	35	89.9	14	65.8	116	8.41	138	0
1986	78.5	17	90.3	9	66.6	79	5.95	154	0
1985	74.7	140	85.6	102	63.8	153	11.47	90	0
1984	74	151	84.9	124	63.1	156	15.09	33	0
1983	76.9	68	88.3	30	65.5	124	10.33	116	0
1982	75.6	119	84.7	130	66.6	79	13.21	62	0
1981	78.9	11	87.8	47	70	3	11.04	101	0
1980	79.7	6	90	13	69.3	6	7.85	143	0
1979	75.1	130	83.5	148	66.8	68	15.56	29	0
1978	77.1	58	86.3	84	67.8	34	12.77	66	0
1977	78.2	24	88.1	36	68.2	18	13.35	59	0
1976	75	132	85.4	108	64.5	149	9.19	128	0
1975	77	65	87.1	62	66.8	68	6.29	153	0
1974	74.9	135	84.1	142	65.8	116	8.76	135	0
1973	75.9	101	84.4	134	67.3	42	11.95	78	0
1972	74.1	148	83.4	150	64.8	144	13.39	57	0
1971	75.7	114	84.8	127	66.7	76	15.54	30	0
1970	76.3	86	85.6	102	67.1	55	12.26	72	0
1969	76	97	85.6	102	66.3	93	17.81	13	0
1968	76.4	82	87	68	65.8	116	7.83	144	0
1967	72.7	156	81.6	156	63.7	154	20.68	3	0
1966	76.2	91	86.4	80	65.9	112	11.80	83	0
1965	76.5	77	85.8	93	67.1	55	10.51	111	0
1964	74.8	138	84.9	124	64.7	146	10.42	113	0
1963	73.8	153	83.6	147	64.1	152	11.88	81	0
1962	77	65	87.6	51	66.3	93	14.95	35	0
1961	73.1	155	82.7	155	63.5	155	11.07	100	0
1960	77.1	58	87.1	62	67.2	49	10.97	102	0
1959	77.6	47	88	39	67.1	55	10.66	109	0
1958	77.1	58	87	68	67.3	42	10.41	114	0
1957	78	32	88.8	23	67.1	55	10.63	110	0
1956	76.8	71	87.4	54	66.3	93	8.68	136	0
1955	77	65	87.4	54	66.5	84	9.55	123	0
1954	79.4	7	90.8	4	68	27	6.43	151	0
1953	78.2	24	89.8	16	66.6	79	7.64	146	0
1952	79.9	5	90.7	5	69	9	9.19	128	0
1951	77.9	35	88.9	20	66.9	64	11.17	96	0
1950	74.8	138	84.4	134	65.1	138	14.90	36	0
1949	78	32	88.1	36	68	27	13.81	51	0
1948	77.2	55	87.8	47	66.6	79	11.09	99	0
1947	75.8	108	86.5	77	65.2	135	7.66	145	7
1946	75.7	114	86.3	84	65.2	135	8.01	141	1
1945	76.3	86	87.1	62	65.6	121	11.93	79	0
1944	78.3	23	89.5	17	67.1	55	3.78	156	1
1943	78.9	11	90.4	8	67.5	38	14.32	42	0
1942	76.8	71	87.2	58	66.4	88	20.08	4	1
1941	78.2	24	88	39	68.4	15	15.66	27	0
1940	76.7	75	86.3	84	67	63	12.19	75	0
1939	78.2	24	88.7	26	67.7	36	15.32	32	0
1938	77.1	58	86.8	72	67.3	42	12.01	77	0
1937	78.1	30	88.2	34	68.1	23	14.55	40	0
1936	80.1	3	91	2	69.2	7	11.30	92	0
1935	77.6	47	88	39	67.3	42	11.65	87	0
1934	79.3	8	89.5	17	69	9	16.90	17	0
1933	77.8	38	88	39	67.5	38	15.09	33	0
1932	78.4	21	88.7	26	68.1	23	13.80	52	0
1931	78.2	24	89.1	19	67.3	42	12.84	65	0
1930	77.3	53	88.8	23	65.7	120	6.49	150	0
1929	75.3	127	85	120	65.5	124	13.80	52	0
1928	75.8	108	85.2	115	66.4	88	18.92	8	0
1927	74.9	135	84.3	138	65.4	131	11.14	97	0
1926	76.5	77	86.7	74	66.3	93	12.71	67	0
1925	78.9	11	90.2	10	67.7	36	4.87	155	0
1924	76.8	71	86.6	76	66.9	64	7.97	142	0
1923	75.9	101	85.6	102	66.2	103	12.55	69	0
1922	75.7	114	85.1	118	66.3	93	11.73	86	0
1921	77.8	38	87.2	58	68.4	15	13.75	54	0
1920	74.5	145	83.7	145	65.3	133	20.70	2	0
1919	77.4	52	87	68	67.8	34	13.30	60	0
1918	76	97	85.8	93	66.2	103	9.36	127	0
1917	74	151	83.5	148	64.4	150	22.85	1	0
1916	75.9	101	85	120	66.7	76	16.01	24	0
1915	74.6	141	84	143	65.2	135	13.91	50	0
1914	77.7	42	88.2	34	67.2	49	16.71	18	0
1913	78	32	88.8	23	67.2	49	6.77	148	0
1912	75	132	84.5	131	65.6	121	9.42	126	0
1911	76.5	77	86.4	80	66.5	84	10.02	118	0
1910	74.5	145	83.3	151	65.6	121	12.08	76	0
1909	75.6	119	84.4	134	66.8	68	19.86	6	0
1908	75.8	108	85	120	66.5	84	9.92	120	0
1907	75.2	129	85.2	115	65.3	133	9.48	125	0
1906	75.8	108	85.3	113	66.4	88	13.61	55	0
1905	75.7	114	85.2	115	66.1	109	14.13	44	0
1904	75.1	130	85.4	108	64.7	146	8.08	140	0
1903	74.3	147	84.5	131	64.2	151	9.51	124	0
1902	76.6	76	87.9	44	65.4	131	11.57	88	0
1901	76.9	68	87.1	62	66.8	68	17.61	15	0
1900	77.9	35	87.7	50	68.1	23	13.96	48	0
1899	77.1	58	87.6	51	66.7	76	9.16	130	0
1898	77.7	42	88	39	67.3	42	11.30	92	0
1897	75.5	123	85.5	106	65.5	124	12.26	72	0
1896	76.1	94	85	120	67.2	49	14.22	43	0
1895	75.9	101	85.8	93	65.9	112	9.78	122	0
1894	75.5	123	85.9	90	65	142	8.46	137	0
1893	75.8	108	85.7	99	66	111	12.25	74	0
1892	75.8	108	85.1	118	66.6	79	10.71	107	0
1891	74.9	135	84.3	138	65.5	124	10.91	105	0
1890	76.4	82	86	88	66.8	68	10.70	108	0
1889	73.7	154	82.9	154	64.6	148	14.84	37	0
1888	76.1	94	86.1	87	66.2	103	10.40	115	0
1887	76.4	82	86.5	77	66.4	88	10.48	112	0
1886	74.1	148	83.3	151	64.8	144	16.04	22	0
1885	76.2	91	85.7	99	66.8	68	11.20	95	0
1884	74.6	141	84.2	140	65.1	138	18.67	9	0
1883	75.5	123	85.4	108	65.5	124	9.06	132	0
1882	74.1	148	83.2	153	65.1	138	15.87	25	0
1881	77.6	47	88.1	36	67.1	55	10.95	104	0
1880	76	97	85.8	93	66.3	93	14.11	45	0
1879	75.9	101	86	88	65.8	116	8.16	139	0
1878	76.8	71	86.4	80	67.2	49	17.33	16	0
1877	76.2	91	86.8	72	65.5	124	9.13	131	0
1876	76.4	82	86.4	80	66.3	93	9.87	121	0
1875	74.6	141	84.2	140	65.1	138	18.10	11	0
1874	76.5	77	86.9	71	66.2	103	16.13	20	0
1873	76.5	77	84.4	134	68.6	13	13.14	63	0
1872	77.2	55	85.9	90	68.4	15	14.40	41	0
1871	78.5	17	87.1	62	69.9	4	11.80	83	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2010	81
2016	80.4
1936	80.1
2011	80
1952	79.9
1980	79.7
1954	79.4
1993	79.3
1934	79.3
2007	79.2

Coldest
Year	Mean, °F
1967	72.7
1961	73.1
1889	73.7
1963	73.8
1984	74
1917	74
1972	74.1
1886	74.1
1882	74.1
1903	74.3

Wettest
Year	Precipitation, in
1917	22.85
1920	20.70
1967	20.68
1942	20.08
2013	19.96
1909	19.86
1999	19.09
1928	18.92
1884	18.67
2023	18.32

Driest
Year	Precipitation, in
1944	3.78
1925	4.87
1986	5.95
1975	6.29
1995	6.31
1954	6.43
1930	6.49
2011	6.54
1913	6.77
1988	7.31

The hottest, coldest and wettest days

Hottest day: 97°F; 3 July 2026, 2 July 2026
Coldest night: 56°F; 4 June 2026
Wettest day: 1.99 in; 28 June 2026

Every month, season and year

Months

Seasons

Years

Knoxville, TN the day's answers

All-time records

Every answer in words

Summer 2026 brought 13.94 in of precipitation in Knoxville, TN, the wettest summer since 2023, 49th wettest of 156.
The hottest day of summer 2026 in Knoxville, TN: 97°F on Friday 3 July 2026 and Thursday 2 July 2026.
The coldest night of summer 2026 in Knoxville, TN: a low of 56°F on Thursday 4 June 2026.
The wettest day of summer 2026 in Knoxville, TN: 1.99 in on Sunday 28 June 2026.