Chattanooga, TN: May

31 May 2026: May 2026 averaged 70.2°F in Chattanooga, TN, the warmest May since 2024, tied 44th warmest of 148 (with 2016, 1986 and 1982).

May 2026

Mean temperature: 70.2°F; Warmest since 2024; 44th warmest of 148
Precipitation: 6.05 in; Wettest since 2025; 26th wettest of 148

A normal May in Chattanooga, TN (1991 to 2020): a mean temperature of 69.6°F, between 66°F and 72.9°F in eight years of ten and 3.43 in of precipitation, between 1.48 in and 6.53 in in eight years of ten.

The mean temperature of every May in Chattanooga, TN since 1879: 70.2°F in 2026; the highest is 75.2°F, in 1962.

Normal range, 66 to 72.9°F

Every year, ranked, as a table

Every May in Chattanooga, TN from 1879 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	70.2	44	80.5	61	60	36	6.05	26	0
2025	69.1	66	77.3	113	60.9	20	12.02	1	0
2024	73	9	82.9	23	63.1	4	5.84	31	0
2023	69.3	62	79.4	77	59.2	44	2.14	118	0
2022	72.9	10	83.5	15	62.3	9	3.12	90	0
2021	68.9	71	80.3	67	57.6	76	2.62	100	0
2020	67.7	93	78.1	101	57.3	81	6.46	19	0
2019	74.2	3	85.3	4	63.2	2	5.94	28	0
2018	74.8	2	85.9	3	63.7	1	3.32	84	0
2017	70.3	43	81.4	50	59.3	43	5.87	29	0
2016	70.2	44	81.6	43	58.7	53	1.43	140	0
2015	71.7	20	83	22	60.3	30	2.73	98	0
2014	70.4	39	81.7	41	59.1	47	1.85	125	0
2013	67.6	95	78.4	93	56.8	93	7.19	10	0
2012	73.3	6	84.8	7	61.8	13	2.50	105	0
2011	69.5	57	80.8	57	58.1	63	1.62	133	0
2010	72.5	14	82.5	31	62.5	7	5.38	40	0
2009	69.6	54	78.5	89	60.7	24	7.44	9	0
2008	68.4	77	79.1	81	57.6	76	2.28	112	0
2007	71.3	28	84.7	9	57.9	68	1.34	144	0
2006	67.5	97	78.3	94	56.8	93	3.48	80	0
2005	65.5	128	77.2	117	53.7	131	1.99	120	0
2004	71.9	18	82.7	28	61	19	3.92	74	0
2003	68.6	73	77.9	103	59.4	42	11.19	3	0
2002	67.7	93	79.2	80	56.2	105	5.16	41	0
2001	69.5	57	80.9	55	58.1	63	4.37	60	0
2000	72.6	13	83.6	14	61.5	14	1.49	138	0
1999	68.6	73	80.4	65	56.8	93	5.03	43	0
1998	72.5	14	83.8	12	61.2	18	1.41	141	0
1997	63.7	145	74.7	143	52.7	138	5.82	33	0
1996	70.6	36	82.3	34	59	49	1.98	122	0
1995	69.2	64	80.4	65	58	66	3.77	76	0
1994	66.1	120	78.2	96	54	127	3.28	87	0
1993	68.9	71	80.9	55	56.9	90	3.37	83	0
1992	64.2	142	75.6	135	52.9	136	1.99	120	0
1991	72.9	10	82.6	30	63.2	2	4.58	50	0
1990	67.5	97	78.5	89	56.5	100	6.49	17	0
1989	65.3	131	76.7	122	54	127	4.56	51	0
1988	66.9	111	81.2	53	52.7	138	2.20	114	0
1987	73.1	7	84.8	7	61.4	16	4.97	44	0
1986	70.2	44	81.5	45	58.9	50	3.14	89	0
1985	67.6	95	77.9	103	57.3	81	4.36	61	0
1984	64.3	141	76.5	128	52.2	145	6.57	13	0
1983	65.9	122	76.6	125	55.2	118	6.65	11	0
1982	70.2	44	83.4	16	57	87	1.44	139	0
1981	64.6	139	76	131	53.2	135	3.38	82	0
1980	67.1	106	77.5	109	56.8	93	4.25	65	0
1979	67.2	103	77.4	111	57	87	9.21	4	0
1978	68.1	85	78.3	94	57.9	68	4.17	68	0
1977	70.5	37	81.5	45	59.5	40	2.55	104	0
1976	63.5	146	74.6	144	52.4	142	5.86	30	0
1975	68	87	79.8	72	56.2	105	4.45	56	0
1974	65.8	123	77.4	111	54.2	124	6.53	16	0
1973	64.7	138	77.1	118	52.4	142	6.37	21	0
1972	63.8	143	75.5	138	52.2	145	6.47	18	0
1971	65	135	77.6	108	52.5	141	2.17	116	0
1970	67.5	97	80.6	59	54.5	121	2.76	96	0
1969	67.1	106	80.3	67	53.9	129	2.36	110	0
1968	65.8	123	77.3	113	54.3	122	3.93	73	0
1967	64.9	136	75.5	138	54.2	124	6.02	27	0
1966	64.8	137	75.9	132	53.7	131	4.00	71	0
1965	70.4	39	84.1	10	56.7	97	1.65	132	0
1964	69.9	49	82.3	34	57.5	79	4.28	64	0
1963	69.1	66	81.3	51	57	87	3.06	92	0
1962	75.2	1	89.7	1	60.7	24	1.68	131	0
1961	65.8	123	77.3	113	54.3	122	5.46	39	0
1960	64.6	139	78.2	96	51.1	147	1.09	145	0
1959	70.7	34	82.1	38	59.2	44	4.64	46	0
1958	68.5	75	80.5	61	56.4	101	2.46	107	0
1957	69.9	49	81.6	43	58.2	59	2.16	117	0
1956	70.7	34	82.7	28	58.8	51	3.01	93	0
1955	70.9	33	83.1	19	58.7	53	6.40	20	0
1954	63.2	147	75.3	141	51.1	147	3.79	75	0
1953	72.3	17	84	11	60.6	27	4.38	59	0
1952	69.5	57	83.2	18	55.8	113	3.31	85	0
1951	67.8	89	82.8	26	52.8	137	1.50	137	0
1950	71.7	20	82.5	31	60.9	20	5.67	36	0
1949	70.1	48	82.9	23	57.3	81	2.33	111	0
1948	67.8	89	81.5	45	54.1	126	2.96	94	0
1947	66.2	119	79.7	73	52.6	140	2.56	103	0
1946	67.2	103	78.2	96	56.2	105	6.65	11	0
1945	65.1	134	76.6	125	53.5	134	6.13	24	0
1944	71	31	83.1	19	58.6	56	2.50	105	1
1943	69.5	57	81.9	39	57.2	84	1.56	134	0
1942	68.5	75	80.7	58	56.3	103	4.15	69	0
1941	69.9	49	85.1	6	54.6	120	0.54	148	0
1940	67.4	100	79.4	77	55.5	116	3.10	91	0
1939	69.6	54	80	71	59.1	47	4.55	52	0
1938	70.5	37	80.5	61	60.5	28	4.24	66	0
1937	70.4	39	81.7	41	59.2	44	4.43	57	0
1936	73.5	5	86.1	2	60.9	20	2.06	119	0
1935	70.4	39	81.1	54	59.7	39	5.68	35	0
1934	71.4	25	82.5	31	60.3	30	1.83	126	0
1933	72.5	14	82.9	23	62.2	11	7.64	8	0
1932	67.8	89	77.5	109	58	66	2.59	102	0
1931	66.7	113	76.7	122	56.7	97	1.77	128	0
1930	68.4	77	77.3	113	59.5	40	6.27	22	0
1929	67.8	89	76.8	120	58.7	53	12.00	2	0
1928	66.4	117	76.7	122	56.1	111	4.39	58	0
1927	69.6	54	79.1	81	60.1	33	2.60	101	0
1926	69	69	80.1	70	57.9	68	2.72	99	0
1925	66.3	118	76.8	120	55.8	113	1.76	129	0
1924	63.8	143	73.9	146	53.8	130	5.69	34	0
1923	65.3	131	73.6	147	56.9	90	8.14	6	0
1922	69.2	64	78.2	96	60.3	30	4.21	67	0
1921	68.4	77	78.6	85	58.2	59	4.02	70	0
1920	67	109	75.6	135	58.5	57	4.59	48	0
1919	66.5	116	75.4	140	57.7	74	4.32	62	0
1918	71.2	29	81.9	39	60.5	28	2.43	109	0
1917	62.6	148	73	148	52.3	144	2.95	95	0
1916	71.5	23	82.2	37	60.8	23	3.45	81	0
1915	71	31	80.5	61	61.4	16	4.62	47	0
1914	69.3	62	80.6	59	58.1	63	0.57	147	0
1913	69	69	79.5	74	58.4	58	4.30	63	0
1912	69.1	66	79.4	77	58.8	51	4.49	53	0
1911	71.4	25	82.8	26	60.1	33	1.81	127	0
1910	65.3	131	74.5	145	56.1	111	8.08	7	0
1909	66.7	113	76.5	128	56.9	90	3.62	78	0
1908	69.5	57	79.1	81	59.8	38	1.94	124	0
1907	65.7	126	75.3	141	56.2	105	5.50	38	0
1906	68.2	82	78.5	89	57.9	68	1.96	123	0
1905	71.2	29	80.2	69	62.3	9	6.57	13	0
1904	67.2	103	78.2	96	56.2	105	2.76	96	0
1903	68.4	77	78.5	89	58.2	59	5.83	32	0
1902	72.8	12	83.1	19	62.5	7	2.19	115	0
1901	67.1	106	77.8	106	56.4	101	6.08	25	0
1900	68.3	81	79.5	74	57.2	84	1.41	141	0
1899	73.1	7	83.4	16	62.8	6	1.73	130	0
1898	71.8	19	83.7	13	60	36	0.61	146	0
1897	65.7	126	75.7	133	55.7	115	3.26	88	0
1896	74	4	85.2	5	62.9	5	3.76	77	0
1895	65.4	130	75.6	135	55.1	119	3.52	79	0
1894	68.2	82	77.9	103	58.2	59	1.53	135	2
1893	66.8	112	76.9	119	56.6	99	8.35	5	0
1892	68.2	82	79	84	57.4	80	3.29	86	0
1891	67.4	100	78.6	85	56.3	103	1.39	143	0
1890	67.9	88	78	102	57.7	74	3.95	72	0
1889	66.1	120	78.6	85	53.6	133	4.59	48	0
1888	67.3	102	76.6	125	57.9	68	4.91	45	0
1887	71.5	23	82.3	34	60.7	24	6.57	13	0
1886	68.1	85	78.6	85	57.6	76	5.63	37	0
1885	66.7	113	76.3	130	57.2	84	5.12	42	0
1884	69.8	52	79.5	74	60.1	33	2.22	113	0
1883	67	109	77.7	107	56.2	105	2.45	108	0
1882	65.5	128	75.7	133	55.3	117	4.46	54	0
1881	71.7	20	81.5	45	61.9	12	4.46	54	0
1880	71.4	25	81.3	51	61.5	14	6.21	23	0
1879	69.7	53	81.5	45	57.9	68	1.51	136	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1962	75.2
2018	74.8
2019	74.2
1896	74
1936	73.5
2012	73.3
1987	73.1
1899	73.1
2024	73
2022	72.9
More years share the last value

Coldest
Year	Mean, °F
1917	62.6
1954	63.2
1976	63.5
1997	63.7
1972	63.8
1924	63.8
1992	64.2
1984	64.3
1981	64.6
1960	64.6

Wettest
Year	Precipitation, in
2025	12.02
1929	12.00
2003	11.19
1979	9.21
1893	8.35
1923	8.14
1910	8.08
1933	7.64
2009	7.44
2013	7.19

Driest
Year	Precipitation, in
1941	0.54
1914	0.57
1898	0.61
1960	1.09
2007	1.34
1891	1.39
1998	1.41
1900	1.41
2016	1.43
1982	1.44

The hottest, coldest and wettest days

Hottest day: 91°F; 17 May 2026
Coldest night: 44°F; 3 May 2026
Wettest day: 1.40 in; 24 May 2026

Every month, season and year

Months

Seasons

Years

Chattanooga, TN the day's answers

All-time records

Every answer in words

May 2026 brought 6.05 in of precipitation in Chattanooga, TN, the wettest May since 2025, 26th wettest of 148.
The hottest day of May 2026 in Chattanooga, TN: 91°F on Sunday 17 May 2026.
The coldest night of May 2026 in Chattanooga, TN: a low of 44°F on Sunday 3 May 2026.
The wettest day of May 2026 in Chattanooga, TN: 1.40 in on Sunday 24 May 2026.