Last updated: March 2, 2024
The weather in Chattanooga Valley, United States, during October is characterized by an average temperature of 18°C (65°F). Highs can soar to 31°C (88°F), while lows may dip to 3°C (37°F). Typically, the humidity level in Chattanooga Valley throughout October hovers around 74%.
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Average temperature
Maximum temperature
Humidity
In October, Chattanooga Valley averages 133 mm (5.2 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 11 hours 15 minutes of daylight, with the sun shining for approximately 8 hours 10 minutes each day. Additionally, there is a 36% probability of sunny days during this period.
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Chance of sun
In October, the UV Index in Chattanooga Valley reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 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 | 0 | 1 | 1 | 3 | 5 | 6 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||