August Weather in Chattanooga Valley

Last updated: March 2, 2024

The weather in Chattanooga Valley, United States, during August is characterized by an average temperature of 26°C (78°F). Highs can soar to 34°C (94°F), while lows may dip to 17°C (64°F). Typically, the humidity level in Chattanooga Valley throughout August hovers around 67%.

17°C (64°F)

Minimum temperature

26°C (78°F)

Average temperature

34°C (94°F)

Maximum temperature

67%

Humidity

Precipitation and Sunshine hours

In August, Chattanooga Valley averages 121 mm (4.8 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 13 hours 23 minutes of daylight, with the sun shining for approximately 9 hours 51 minutes each day. Additionally, there is a 34% probability of sunny days during this period.

121 mm (4.8 inches)

Precipitation

14 rainy days

Rainy days

9 hours 51 minutes

Sunshine hours

34%

Chance of sun

UV Index

In August, the UV Index in Chattanooga Valley reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 1 2 4 6 8 10 10 9 7 5 2 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Chattanooga Valley's Climate with Cities Worldwide