Chattanooga Weather in August

August in Chattanooga brings very high temperatures, with daytime highs of 32°C (90°F) and nights around 21°C (70°F). Quite a bit of rainfall is expected, around 100 mm (3.9 in), so pack an umbrella.

Rainfall in Chattanooga in August

Looking at the last 30 years, the data shows about 12 days with rain, averaging 100 mm (3.9 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Chattanooga in August

August in Chattanooga brings typical temperatures with highs around 32°C (90°F) and lows of 21°C (70°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

While these temperatures are typical, some days might be even hotter. Always be prepared for the unexpected spikes in warmth. Dressing in lightweight and breathable outfits will help you stay cool. Don't forget to stay hydrated and wear sun protection to handle the heat better.

Sunshine in Chattanooga in August

With approximately 258 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you prefer dry days with pleasant temperatures, May typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Chattanooga's climate page.

Chattanooga Temperature in August

Min Temperature 21°C (70°F)  

Max Temperature 32°C (90°F)  

Chance of Rain 40%  

Precipitation 100 mm (3.9 in)  

Rainy days 12 days  

Humidity 76%  

Sunshine 258 hours  

Percentage Sunshine 60%  

What to Wear in Chattanooga in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Chattanooga in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Chattanooga's climate page.

More climate data for Chattanooga

Temperature Rainfall Sunshine Humidity

See the full Chattanooga climate overview or explore weather in the United States of America.