Chattanooga, Tennessee, United States climate
Average temperatures, precipitation and all-time records for Chattanooga, Tennessee, United States, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is July, averaging a high of 88°F, and its coldest is January, with an average low of 32°F.
Chattanooga is a city in Hamilton County, Tennessee, United States, and its county seat. It is located along the Tennessee River and borders Georgia to the south. via Wikipedia
How today compares
Latest recorded day: 2026-07-24. Each reading placed on Chattanooga, Tennessee, United States's own ±7-day seasonal distribution.
Chattanooga average temperatures by month
Typical daily high and low, and average precipitation, for each month in Chattanooga, Tennessee, United States, based on 1980–2026 records. The wettest month is January (0.20 in on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 49°F | 32°F | 0.20 in |
| February | 55°F | 36°F | 0.20 in |
| March | 63°F | 42°F | 0.20 in |
| April | 72°F | 50°F | 0.10 in |
| May | 78°F | 59°F | 0.10 in |
| June | 85°F | 67°F | 0.10 in |
| July | 88°F | 71°F | 0.10 in |
| August | 87°F | 69°F | 0.10 in |
| September | 83°F | 63°F | 0.10 in |
| October | 72°F | 51°F | 0.10 in |
| November | 61°F | 42°F | 0.10 in |
| December | 52°F | 36°F | 0.10 in |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -10°F to 115°F scale, so the whole year's rhythm reads at a glance.
Thinking of visiting Chattanooga?
Trips live and die by the weather. See how Chattanooga's comfort stacks up against where you live. Chattanooga is pre-loaded, just add your city.
Record extremes
- Hottest day on record: 103°F on 2012-07-01
- Coldest day on record: -15°F on 1985-01-21
Percentiles compare each day to Chattanooga, Tennessee, United States's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →