Last updated: March 2, 2024
The weather in Knokke-Heist, Belgium, during May is characterized by an average temperature of 13°C (56°F). Highs can soar to 25°C (77°F), while lows may dip to 5°C (40°F). Typically, the humidity level in Knokke-Heist throughout May hovers around 82%.
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Humidity
In May, Knokke-Heist averages 54 mm (2.1 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 15 hours 36 minutes of daylight, with the sun shining for approximately 12 hours 50 minutes each day. Additionally, there is a 36% probability of sunny days during this period.
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In May, the UV Index in Knokke-Heist 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 | 4 | 5 | 6 | 7 | 7 | 7 | 5 | 4 | 2 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||