Climate normals · 1970–2000
Chattanooga Climate
Chattanooga is a city in United States (TN) with a population of about 181,099. Its average annual temperature is 15.5°C (60°F), with roughly 1440 mm of rain per year.
15.5°C
Avg Temp
1440
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
Chattanooga Climate
Chattanooga has an average annual temperature of 15.5°C (60°F) and receives about 1440 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
15.5°C
Avg Temp
1440
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 4° / 39° | 136 mm |
| February | 6° / 43° | 129 mm |
| March | 11° / 51° | 162 mm |
| April | 15° / 60° | 118 mm |
| May | 20° / 68° | 119 mm |
| June | 24° / 75° | 103 mm |
| July | 26° / 79° | 127 mm |
| August | 26° / 78° | 93 mm |
| September | 22° / 72° | 111 mm |
| October | 16° / 61° | 87 mm |
| November | 10° / 51° | 123 mm |
| December | 6° / 42° | 132 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Chattanooga
The most comfortable months to visit Chattanooga are typically September, May and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 32°C high). The coldest is January (near -1°C low). March is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Chattanooga are typically September, May and June, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Chattanooga, United States has an average annual temperature of 15.5°C and about 1440 mm of precipitation per year. The warmest month is July and the coldest is January.
In July, the hottest month, daily highs in Chattanooga average about 32°C (90°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.