Last updated: March 2, 2024
The weather in Boulogne-Billancourt, France, during May is characterized by an average temperature of 14°C (58°F). Highs can soar to 27°C (81°F), while lows may dip to 3°C (37°F). Typically, the humidity level in Boulogne-Billancourt throughout May hovers around 82%.
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In May, Boulogne-Billancourt averages 75 mm (3.0 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 15 hours 17 minutes of daylight, with the sun shining for approximately 12 hours 30 minutes each day. Additionally, there is a 35% probability of sunny days during this period.
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In May, the UV Index in Boulogne-Billancourt 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 | 7 | 6 | 4 | 3 | 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 | ||||||