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When is the best time to visit Chattanooga?
In general the best time to visit Chattanooga is probably August, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
Depending on the activities you want to experience, you may choose different months to visit:
- The best time for a sun tanning holiday is June, July, August. Average maximum temperatures are up to +88°F in August and it has 6 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during April - October.
- If you want to avoid wet weather, then your choice is July, August, September with the lowest chance of rain.
Average weather in Chattanooga in different months
This is the average weather in Chattanooga for each month based on historic data:
March, April, May, June, July, August, September, October, November usually has good weather. Average maximum temperature reaches +88°F during July.
In January, February, December the weather is average. Expect around 31 rainy days, and the precipitation amounts to approximately 120 mm in December.
Climate in Chattanooga
Here is the detailed breakdown of the climate in Chattanooga for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +75°F | +81°F | +86°F | +90°F | +93°F | +106°F | +106°F | +102°F | +97°F | +97°F | +84°F | +75°F |
| Average Maximum Temperature | |||||||||||
| +50°F | +54°F | +63°F | +72°F | +79°F | +86°F | +88°F | +88°F | +82°F | +72°F | +61°F | +52°F |
| Minimum Temperature | |||||||||||
| -17°F | 0°F | +7°F | +25°F | +39°F | +50°F | +57°F | +55°F | +41°F | +28°F | +19°F | -2°F |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 70 | 68 | 64 | 64 | 70 | 71 | 73 | 73 | 73 | 72 | 71 | 72 |
| Rain, mm | |||||||||||
| 109 | 112 | 132 | 126 | 102 | 100 | 117 | 98 | 95 | 78 | 100 | 120 |
| Snow, mm | |||||||||||
| 8 | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Average wind speed, m/s | |||||||||||
| 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sunny Days | |||||||||||
| 6 | 6 | 7 | 7 | 7 | 5 | 4 | 6 | 8 | 11 | 9 | 6 |
| Cloud Days | |||||||||||
| 11 | 9 | 9 | 8 | 7 | 6 | 5 | 6 | 7 | 9 | 10 | 11 |
| Rainy Days | |||||||||||
| 10 | 10 | 11 | 11 | 12 | 11 | 13 | 12 | 10 | 10 | 10 | 11 |
| Snowy Days | |||||||||||
| 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
Average Temperature
Here are the average maximum and minimum temperatures in Chattanooga during the whole year:
The hottest month in Chattanooga is August with average maximum temperature going up to +88°F. The coldest month is January with the lowest temperatures of +34°F.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Chattanooga looks throughout the year, in %:
The most humid month in Chattanooga is September with average humidity going up to 73%. The least humid month is March with an average humidity of 64%.
Rain
Amount of rainfall in mm. in Chattanooga during the whole year based on historical data:
The sunniest and driest month is October with approximately 11 sunny days and a total precipitation of around 78 mm. The rainiest and wettest month is March with approximately 11 rainy days and 132 mm of total precipitation.
Snow
Amount of snow in mm. in Chattanooga during the whole year based on historical data:
The snowiest month is February with approximately 2 snowy days.
FAQ
Frequently asked questions about the weather in Chattanooga:
What is the hottest month in Chattanooga?
The hottest month in Chattanooga is August with average maximum temperature of +88°F.
What is the coldest month in Chattanooga?
The coldest month in Chattanooga is January with minimum temperatures of +34°F.
Is Chattanooga worth visiting in winter?
Winter in Chattanooga could be a good time to visit, as the weather is generally ok.
When does it rain the least in Chattanooga?
if you're looking to visit Chattanooga when it rains the least, you should plan your trip for March, April, December. During this time, rainfall is rare with the driest month being October with only 78 mm of rain.
Other cities in USA
Check out the weather for other cities in USA.
Monthly weather in Chattanooga
Source of the data
For this page, we’ve looked at the typical weather in Chattanooga, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.