Last updated: March 2, 2024
The weather in Boulogne-sur-Mer, France, during August is characterized by an average temperature of 18°C (65°F). Highs can soar to 26°C (79°F), while lows may dip to 13°C (55°F). Typically, the humidity level in Boulogne-sur-Mer throughout August hovers around 73%.
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In August, Boulogne-sur-Mer averages 74 mm (2.9 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 14 hours 26 minutes of daylight, with the sun shining for approximately 12 hours 45 minutes each day. Additionally, there is a 37% probability of sunny days during this period.
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In August, the UV Index in Boulogne-sur-Mer 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 | 1 | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 7 | 6 | 4 | 3 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||