Chattanooga weather in August 2025

Expect 88°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Chattanooga in August. Check more long-term weather averages for Chattanooga in August before you book your next holiday to Tennessee in 2025/2026.

  • 88°F maximum daytime temperature in August in Chattanooga88
    88°F max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in August in Chattanooga10
    10 days with some rainfall
  • 66°F minimum night-time temperature in August in Chattanooga66
    66°F min night temperature
  • 13 hours of daylight per day in August in Chattanooga13
    13 hours of daylight per day
  • High heat & humidity in August in ChattanoogaH
    High heat & humidity
  • 3.6 inches monthly rainfall in August in Chattanooga3.6
    3.6 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Chattanooga9
    9 (Very High) UV index

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The August weather guide for Tennessee (Chattanooga) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Chattanooga in August?

Daytime temperatures usually reach 88°F in Chattanooga in August with high heat and humidity, falling to 66°F at night.

How sunny is it in Chattanooga in August?

There are normally 8 hours of bright sunshine each day in Chattanooga in August - that's 62% of daylight hours.

Does it rain in Chattanooga in August?

There are usually 10 days with some rain in Chattanooga in August and the average monthly rainfall is 3.6 inches.

What is the chance of a hurricane in Chattanooga in August?

On average less than 1 day in August in Chattanooga is likely to be affected by the passage of one or more tropical storms.

Chattanooga August sunrise & sunset times

Browse the sunrise and sunset times for Chattanooga in August 2025. Select a month to view Chattanooga sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:51 19:44
Saturday, 16th August 2025 06:02 19:28
Sunday, 31st August 2025 06:13 19:09

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