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%.
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Average temperature
Maximum temperature
Humidity
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.
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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.
| 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 | ||||||