Chattanooga weather records
Record high and low temperatures for Chattanooga, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 103°F on 2012-07-01; its coldest fell to -15°F on 1985-01-21.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | 75°F2022-01-01
16°F1985-01-21
|
64°F2022-01-01
-15°F1985-01-21
|
| February | 79°F2023-02-22
14°F1996-02-04
|
68°F2023-02-23
0°F1996-02-04
|
| March | 85°F2026-03-22
24°F1980-03-02
|
66°F2026-03-11
6°F1980-03-03
|
| April | 89°F1995-04-10
38°F1987-04-03
|
70°F2017-04-30
24°F1992-04-03
|
| May | 93°F2022-05-19
53°F1992-05-08
|
73°F2011-05-31
39°F2026-05-03
|
| June | 103°F2012-06-29
67°F1997-06-07
|
78°F2022-06-14
49°F1985-06-14
|
| July | 103°F2012-07-01
70°F1984-07-30
|
78°F2010-07-25
56°F2014-07-30
|
| August | 101°F1983-08-21
66°F1986-08-31
|
79°F2007-08-17
54°F1992-08-29
|
| September | 98°F2019-09-13
57°F1995-09-23
|
74°F2022-09-04
40°F2001-09-26
|
| October | 99°F2019-10-03
40°F1993-10-31
|
73°F2017-10-10
27°F1987-10-22
|
| November | 85°F2016-11-01
33°F2014-11-18
|
68°F2020-11-11
18°F2014-11-19
|
| December | 75°F2025-12-24
15°F1983-12-25
|
65°F2015-12-27
-1°F1983-12-25
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Winter (Dec–Feb) | 79°F2023-02-22
14°F1996-02-04
|
68°F2023-02-23
-15°F1985-01-21
|
| Spring (Mar–May) | 93°F2022-05-19
24°F1980-03-02
|
73°F2011-05-31
6°F1980-03-03
|
| Summer (Jun–Aug) | 103°F2012-07-01
66°F1986-08-31
|
79°F2007-08-17
49°F1985-06-14
|
| Autumn (Sep–Nov) | 99°F2019-10-03
33°F2014-11-18
|
74°F2022-09-04
18°F2014-11-19
|
All-time records
The most extreme value Chattanooga has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Gust
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.