| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 51.0 | 32.1 | 78 | -13 | 5.0 | 1.0 |
| February | 55.5 | 35.2 | 82 | -10 | 5.0 | 1.2 |
| March | 64.0 | 41.9 | 89 | 2 | 5.3 | 1.1 |
| April | 73.5 | 49.6 | 93 | 25 | 4.9 | 0.0 |
| May | 80.8 | 58.6 | 99 | 34 | 3.9 | 0.0 |
| June | 87.5 | 66.9 | 107 | 39 | 4.2 | 0.0 |
| July | 90.4 | 70.6 | 107 | 51 | 5.1 | 0.0 |
| August | 89.9 | 69.8 | 105 | 50 | 3.7 | 0.0 |
| September | 84.3 | 63.2 | 104 | 36 | 4.2 | 0.0 |
| October | 73.9 | 51.1 | 100 | 22 | 3.6 | 0.0 |
| November | 62.1 | 40.0 | 86 | 4 | 4.8 | 0.0 |
| December | 53.5 | 34.9 | 78 | -2 | 5.2 | 0.3 |
| Entire year | 72.3 | 51.2 | 107 | -13 | 55.0 | 3.5 |
|
More Chattanooga Weather Records
1879–2024
|
||
|---|---|---|
| Highest daily low | 86 °F | July 9, 1888 |
| Lowest daily high | 10 °F | January 11, 1886 |
| Greatest daily range (Difference of high and low) |
51 °F | December 14, 1901 |
| Greatest difference in daily high over two conscutive days |
47 °F | Feb 16–17, 1903 |
| Most daily precipitation | 9.5 inches | September 5, 2011 |
| Most monthly precipitation | 16.3 inches | March 1980 |
| Most yearly precipitation | 73.7 inches | 1994 |
| Most yearly days with precipitation | 160 | 1922 |
| Earliest snow in season | November 9 | 1913 |
| Latest snow in season | April 25 | 1910 |
| Most daily snow | 18.5 inches | March 13, 1993 |
| Most monthly snow | 20.0 inches | March 1993 |
| Most yearly snow | 22.7 inches | 1993 |
| Most snow in a winter | 22.7 inches | 1992–1993 |
| Greatest snow accumulation | 19.0 inches | March 14, 1993 |
| Earliest freeze | October 14 | 1988 |
| Earliest day ≥ 90 °F | April 10 | 1995 |
| Earliest day ≥ 100 °F | June 8 | 1933 |
| Latest freeze | April 21 | 1983 |
| Latest day ≥ 90 °F | October 19 | 2016 |
| Latest day ≥ 100 °F | October 3 | 2019 |
| Most days in a year < 0 °F | 4 | 1940 |
| Most days in a year < 32 °F | 89 | 1941 |
| Most days in a year ≥ 80 °F | 176 | 2007 |
| Most days in a year ≥ 90 °F | 102 | 2016 |
| Most days in a year ≥ 100 °F | 15 | 1952 |
|
Chattanooga Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 19 days | Aug 5–23, 1920 |
| Without precipitation | 39 days | Sep 11 – Oct 19, 1935 |
| With snow | 5 days | Feb 12–16, 1885 |
| High temperature at or below freezing |
8 days | Jan 9–16, 1978 |
| High temperature ≥ 80 °F | 130 days | May 22 – Sep 28, 2016 |
| High temperature ≥ 90 °F | 38 days | Jun 26 – Aug 2, 1993 |
| High temperature ≥ 100 °F | 9 days | Jul 21–29, 1952 |