Last updated: March 2, 2024
The weather in Boulogne-sur-Mer, France, during July is characterized by an average temperature of 18°C (64°F). Highs can soar to 27°C (81°F), while lows may dip to 12°C (54°F). Typically, the humidity level in Boulogne-sur-Mer throughout July hovers around 76%.
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In July, Boulogne-sur-Mer averages 49 mm (1.9 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 15 hours 57 minutes of daylight, with the sun shining for approximately 13 hours 42 minutes each day. Additionally, there is a 39% probability of sunny days during this period.
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In July, the UV Index in Boulogne-sur-Mer reaches a maximum of 8, 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 | 5 | 7 | 8 | 8 | 8 | 6 | 5 | 3 | 2 |
| 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 | ||||||