Last updated: March 2, 2024
The weather in Bristol, United States, during August is characterized by an average temperature of 22°C (73°F). Highs can soar to 33°C (91°F), while lows may dip to 12°C (54°F). Typically, the humidity level in Bristol throughout August hovers around 65%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Bristol averages 107 mm (4.2 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 13 hours 46 minutes of daylight, with the sun shining for approximately 10 hours 23 minutes each day. Additionally, there is a 29% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In August, the UV Index in Bristol reaches a maximum of 9, 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 | 2 | 3 | 5 | 7 | 8 | 9 | 8 | 7 | 5 | 3 | 1 | 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 | ||||||