May Weather in Hellevoetsluis, Netherlands

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%.

May Temperature in Hellevoetsluis

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!

May Weather in Hellevoetsluis: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Hellevoetsluis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hellevoetsluis, May typically has an average temperature of 13°C (56°F), with highs reaching up to 31°C (88°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec414245505664656660554643
Data source: Temperature data for Hellevoetsluis generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Hellevoetsluis

In Hellevoetsluis in May, the precipitation amount is 62 mm (2.4 in) over the course of 13 days.

May Precipitation Trends in Hellevoetsluis

The chart displays monthly precipitation patterns in Hellevoetsluis, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Hellevoetsluis, May typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec586268426268758565915795
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hellevoetsluis

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.

May Average Humidity in Hellevoetsluis

This chart illustrates the average monthly humidity levels in Hellevoetsluis, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Hellevoetsluis is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hellevoetsluis

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.

Maximum UV Index Levels in Hellevoetsluis for May

The chart shows the monthly maximum UV Index (UVI) for Hellevoetsluis in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Hellevoetsluis typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Hellevoetsluis May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Hellevoetsluis Compares to Other Months

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.

This table compares monthly weather conditions in Hellevoetsluis, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)58 mm (2.3 inches)91%low
February Weather5°C (42°F)62 mm (2.4 inches)89%low
March Weather7°C (45°F)68 mm (2.7 inches)87%moderate
April Weather10°C (50°F)42 mm (1.6 inches)85%moderate
May Weather13°C (56°F)62 mm (2.4 inches)82%high
June Weather18°C (64°F)67 mm (2.7 inches)82%very high
July Weather18°C (65°F)75 mm (3.0 inches)80%very high
August Weather19°C (66°F)85 mm (3.4 inches)76%high
September Weather15°C (60°F)65 mm (2.6 inches)82%moderate
October Weather13°C (55°F)91 mm (3.6 inches)89%moderate
November Weather8°C (47°F)57 mm (2.2 inches)92%low
December Weather6°C (43°F)95 mm (3.7 inches)92%low

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