Last updated: August 27, 2025
In May, the average temperature in Hellevoetsluis, Netherlands hovers around 13°C (56°F). However, temperatures can range from a chilly 1°C (34°F) to a warm 31°C (88°F). Expect 62 mm (2.4 in) of precipitation over approximately 13 days, contributing to a rather humid atmosphere with an average humidity level of 82%.
In May in Hellevoetsluis, the average temperature is 13°C (56°F). Maximums can reach 31°C (88°F) and minimums can be as low as 1°C (34°F). This makes it an ideal time for travelers to experience a range of weather conditions, so be sure to pack accordingly!
In Hellevoetsluis in May, the precipitation amount is 62 mm (2.4 in) over the course of 13 days.
In Hellevoetsluis in May, humidity is 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.
In Hellevoetsluis in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Hellevoetsluis.
UV Risk Categories
Weather in Hellevoetsluis varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Hellevoetsluis, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 5°C (41°F) | 58 mm (2.3 inches) | 91% | low |
February Weather | 5°C (42°F) | 62 mm (2.4 inches) | 89% | low |
March Weather | 7°C (45°F) | 68 mm (2.7 inches) | 87% | moderate |
April Weather | 10°C (50°F) | 42 mm (1.6 inches) | 85% | moderate |
May Weather | 13°C (56°F) | 62 mm (2.4 inches) | 82% | high |
June Weather | 18°C (64°F) | 67 mm (2.7 inches) | 82% | very high |
July Weather | 18°C (65°F) | 75 mm (3.0 inches) | 80% | very high |
August Weather | 19°C (66°F) | 85 mm (3.4 inches) | 76% | high |
September Weather | 15°C (60°F) | 65 mm (2.6 inches) | 82% | moderate |
October Weather | 13°C (55°F) | 91 mm (3.6 inches) | 89% | moderate |
November Weather | 8°C (47°F) | 57 mm (2.2 inches) | 92% | low |
December Weather | 6°C (43°F) | 95 mm (3.7 inches) | 92% | low |