Chattanooga in December
5.8out of 10
Possible, with caveats
Cool: highs only around 11°C. Frequent rain: about 10 rainy days.
11°CAvg high
2°CAvg low
10Rainy days (128 mm)
9:39 hDaylight
07:48Sunrise · 17:27 Sunset
Why this score
- Cool: highs only around 11°C
- Frequent rain: about 10 rainy days
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in December is fairly consistent from year to year (2.0 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 10°C | 1°C | 119 mm | 11 | – | – | 5.5 |
| February | 13°C | 2°C | 113 mm | 10 | – | – | 6.0 |
| March | 17°C | 6°C | 133 mm | 12 | – | – | 6.5 |
| April | 22°C | 10°C | 120 mm | 10 | – | – | 7.5 |
| May | 26°C | 15°C | 100 mm | 11 | – | – | 7.5 |
| June | 29°C | 19°C | 96 mm | 13 | – | – | 7.2 |
| July | 31°C | 21°C | 104 mm | 13 | – | – | 6.7 |
| August | 31°C | 21°C | 85 mm | 11 | – | – | 7.1 |
| September | 28°C | 17°C | 99 mm | 8 | – | – | 8.0 |
| October | 22°C | 11°C | 84 mm | 7 | – | – | 8.1 |
| November | 16°C | 5°C | 105 mm | 9 | – | – | 6.8 |
| December | 11°C | 2°C | 128 mm | 10 | – | – | 5.8 |
Frequently asked questions
How hot is Chattanooga in December?
Daytime highs average 11°C and nights about 2°C.
When is the best time to visit Chattanooga?
The best months are October, September, April, May.