Winter
Dec → Feb11 to 13°
nights 0 to 2°
- 9 rainy days · 130 mm
When is the best time to visit Chattanooga?
- Jan11°not recommended
- Feb13°not recommended
- Mar18°fair
- Apr23°recommended
- May27°recommended
- Jun31°fair
- Jul33°not recommended
- Aug32°fair
- Sep29°recommended
- Oct23°recommended
- Nov17°fair
- Dec12°not recommended
RecommendedFairNot recommended· afternoon temperature
The weather in Chattanooga, month by month
The table of averages, month by month
| Month | High | Low | Rainfall | Rainy days | Best |
|---|---|---|---|---|---|
| January | 11° | 0° | 128 mm | 9 d | |
| February | 13° | 2° | 128 mm | 9 d | |
| March | 18° | 6° | 136 mm | 9 d | |
| April | 23° | 10° | 124 mm | 9 d | ✓ |
| May | 27° | 15° | 100 mm | 8 d | ✓ |
| June | 31° | 20° | 106 mm | 9 d | |
| July | 33° | 22° | 129 mm | 9 d | |
| August | 32° | 21° | 93 mm | 8 d | |
| September | 29° | 18° | 107 mm | 6 d | ✓ |
| October | 23° | 11° | 91 mm | 6 d | ✓ |
| November | 17° | 5° | 122 mm | 7 d | |
| December | 12° | 2° | 133 mm | 9 d |
The four seasons in Chattanooga, in figures
What the 2015-2024 averages (Chattanooga Lovell Field) show, season by season, to compare at a glance instead of reading twelve rows of a table.
Spring
Mar → May18 to 27°
nights 6 to 15°
- 9 rainy days · 120 mm
Summer
Jun → Aug31 to 33°
nights 20 to 22°
- 9 rainy days · 109 mm
Autumn
Sep → Nov17 to 29°
nights 5 to 18°
- 6 rainy days · 107 mm
Book early for April to May and September to October
The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.
Some links are affiliate links: we may earn a commission, at no extra cost to you. The selection does not depend on these links.
Daylight in Chattanooga, month by month
The time between sunrise and sunset, from shortest to longest. Not to be confused with the sunshine hours in the table above, which count clear skies. In June there are 14h30 of daylight, in December 9h49, a difference of 4h41.
10h02Jan
10h52Feb
11h52Mar
13h02Apr
13h59May
14h30Jun
14h17Jul
13h28Aug
12h21Sep
11h14Oct
10h16Nov
9h49Dec
Calculated for the latitude of the reference point "Chattanooga Lovell Field" (35.03°). Values on the 15th of each month, local solar time.
What to do in Chattanooga, month by month
| Activity | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sightseeing & walks | ||||||||||||
| Long days |
favourablewith compromisesunfavourable
- Sightseeing & walks: January, February, March, April, May, June, September, October, November, December
- Long days: June, July
Grid derived from the climate averages (temperature, rainfall), not from an opinion.
Travelling off-peak
Month by month, in detail
January
Not recommended11°0° at night
- 128 mm · 9 d
Low season, lower prices
February
Not recommended13°2° at night
- 128 mm · 9 d
Low season, lower prices
March
Fair18°6° at night
- 136 mm · 9 d
Low season, lower prices
April
Recommended23°10° at night
- 124 mm · 9 d
Busy, without the crush
May
Recommended27°15° at night
- 100 mm · 8 d
Busy, without the crush
June
Fair31°20° at night
- 106 mm · 9 d
Low season, lower prices
July
Not recommended33°22° at night
- 129 mm · 9 d
Low season, lower prices
August
Fair32°21° at night
- 93 mm · 8 d
Busy, without the crush
September
Recommended29°18° at night
- 107 mm · 6 d
Busy, without the crush
October
Recommended23°11° at night
- 91 mm · 6 d
Busy, without the crush
November
Fair17°5° at night
- 122 mm · 7 d
Low season, lower prices
December
Not recommended12°2° at night
- 133 mm · 9 d
Quiet, then the holidays
Read the twelve months in detail
January. Cool: 11 °C at best, 0 °C at night. Expect 9 days of rain in the month (128 mm). Low season: fewer people, lower prices.
February. Cool: 13 °C at best, 2 °C at night. Expect 9 days of rain in the month (128 mm). Low season: fewer people, lower prices.
March. Mild, 18 °C in the afternoon and 6 °C early in the morning. Expect 9 days of rain in the month (136 mm). Low season: fewer people, lower prices.
April. Mild, 23 °C in the afternoon and 10 °C early in the morning. Expect 9 days of rain in the month (124 mm). Busy season, without the crush.
May. 27 °C in the afternoon and 15 °C at night. Expect 8 days of rain in the month (100 mm). Busy season, without the crush.
June. 31 °C in the afternoon and 20 °C at night. Expect 9 days of rain in the month (106 mm). Low season: fewer people, lower prices.
July. Real heat: 33 °C at the warmest of the day, 22 °C at night. Expect 9 days of rain in the month (129 mm). Low season: fewer people, lower prices.
August. Real heat: 32 °C at the warmest of the day, 21 °C at night. Expect 8 days of rain in the month (93 mm). Busy season, without the crush.
September. 29 °C in the afternoon and 18 °C at night. Rain stays light: 107 mm over 6 days. Busy season, without the crush.
October. Mild, 23 °C in the afternoon and 11 °C early in the morning. Rain stays light: 91 mm over 6 days. Busy season, without the crush.
November. Cool: 17 °C at best, 5 °C at night. Rain stays light: 122 mm over 7 days. Low season: fewer people, lower prices.
December. Cool: 12 °C at best, 2 °C at night. Expect 9 days of rain in the month (133 mm). Quiet at the start of the month, then busier as the holidays approach.
Same season, other ideas
Their best time overlaps with this one: worth comparing before you book.
Frequently asked questions
When is the best time to visit Chattanooga?
April to May and September to October: over these months, average highs range from 23 to 29 °C, with 7 days of rain a month on average (2015-2024 averages, Chattanooga Lovell Field).
Which month should you avoid in Chattanooga?
December: it is the wettest of the months to avoid, with 133 mm over 9 days of rain on average over 2015-2024 at the reference point (Chattanooga Lovell Field).
What is the hottest month in Chattanooga?
July, with 33 °C on average in the afternoon and 22 °C at night. 2015-2024 averages (Chattanooga Lovell Field).
What is the coldest month in Chattanooga?
January, with 11 °C at best during the day and 0 °C at night. 2015-2024 averages (Chattanooga Lovell Field).
What is the driest month in Chattanooga?
October: 91 mm over 6 days of rain, against 136 mm in March, the wettest month.
Does it get cold at night in Chattanooga?
The gap between day and night reaches 13 °C in April: 23 °C in the afternoon, 10 °C at dawn. Pack an extra layer, even in high season.
Plan this trip
📒 The free printable Chattanooga guide: itinerary, map, where to sleep→
🧭 When to visit the American West: the country overview→
🗓️ Best time to visit: all our destinations→
Compare with other destinations
Photos: WeaponizingArchitecture / CC BY-SA 4.0 (Wikimedia Commons) · Stephen Matthew Milligan / CC BY-SA 3.0 (Wikimedia Commons) · Ɱ / CC BY-SA 4.0 (Wikimedia Commons) · NealVickers / CC BY-SA 4.0 (Wikimedia Commons) · Joe Mabel / CC BY-SA 4.0 (Wikimedia Commons) · Sarrail / CC BY-SA 4.0 (Wikimedia Commons) · Renan Bomtempo / Pexels · Dclemens1971 / CC BY 4.0 (Wikimedia Commons) · P. Hughes / CC BY-SA 4.0 (Wikimedia Commons) · Breethol / CC BY-SA 4.0 (Wikimedia Commons)