Chattanooga weather in August 2026

Expect daytime maximum temperatures of 88°F in Chattanooga, Tennessee in August and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 3.6 inches of rainfall in the month.

  • 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 8 days with some rain in Chattanooga in August and the average monthly rainfall is 3.4 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 2026. Select a month to view Chattanooga sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2026 05:51 19:44
Sunday, 16th August 2026 06:02 19:28
Monday, 31st August 2026 06:13 19:09

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