Chattanooga, Tennessee, United States weather records
Record high and low temperatures for Chattanooga, Tennessee, United States, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 106°F on 2012-06-29; its coldest fell to -10°F on 1996-02-05.
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 | 72°F2022-01-01
12°F1994-01-18
|
65°F2022-01-01
-7°F1994-01-19
|
| February | 76°F2023-02-23
7°F1996-02-04
|
62°F2023-02-23
-10°F1996-02-05
|
| March | 82°F2007-03-25
20°F1996-03-08
|
62°F1982-03-20
9°F1996-03-09
|
| April | 87°F1986-04-27
39°F1987-04-03
|
66°F1991-04-29
22°F2007-04-08
|
| May | 92°F2012-05-26
53°F2013-05-06
|
70°F2003-05-09
35°F2020-05-09
|
| June | 106°F2012-06-29
68°F1997-06-09
|
75°F2015-06-17
47°F1998-06-07
|
| July | 105°F2012-07-01
69°F1984-07-30
|
78°F1993-07-27
54°F2014-07-30
|
| August | 105°F1983-08-21
69°F2013-08-17
|
76°F2010-08-13
50°F1986-08-29
|
| September | 100°F2019-09-13
61°F1989-09-28
|
74°F1991-09-15
38°F2001-09-26
|
| October | 98°F2019-10-01
39°F1993-10-31
|
73°F2019-10-01
26°F1987-10-22
|
| November | 85°F2016-11-01
31°F2014-11-18
|
65°F2004-11-02
16°F2013-11-27
|
| December | 74°F1998-12-04
12°F1989-12-22
|
65°F2015-12-25
-1°F1989-12-22
|
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) | 76°F2023-02-23
7°F1996-02-04
|
65°F2022-01-01
-10°F1996-02-05
|
| Spring (Mar–May) | 92°F2012-05-26
20°F1996-03-08
|
70°F2003-05-09
9°F1996-03-09
|
| Summer (Jun–Aug) | 106°F2012-06-29
68°F1997-06-09
|
78°F1993-07-27
47°F1998-06-07
|
| Autumn (Sep–Nov) | 100°F2019-09-13
31°F2014-11-18
|
74°F1991-09-15
16°F2013-11-27
|
All-time records
The most extreme value Chattanooga has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.