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May Weather in Sint-Niklaas, Belgium

Last updated: August 22, 2025

In May, the average temperature in Sint-Niklaas, Belgium is a mild 14°C (57°F). However, temperatures can vary, with a minimum of 2°C (36°F) and a maximum of 30°C (87°F). Expect about 64 mm (2.5 in) of precipitation spread over 12 days, contributing to an average humidity of 82%.

May Temperature in Sint-Niklaas

In May in Sint-Niklaas, the average temperature is 14°C (57°F). Maximums can reach 30°C (87°F) and minimums can be as low as 2°C (36°F). It's a great time to visit Sint-Niklaas if you enjoy mild weather with the possibility of warm days and cooler nights.

May Weather in Sint-Niklaas: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Sint-Niklaas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sint-Niklaas, May typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (87°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245505765666660554643
Data source: Temperature data for Sint-Niklaas 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 Sint-Niklaas

In Sint-Niklaas in May, the total precipitation amount is 64 mm (2.5 in) over the course of 12 days.

May Precipitation Trends in Sint-Niklaas

The chart displays monthly precipitation patterns in Sint-Niklaas, 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 Sint-Niklaas, May typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec636669396470747556835491
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sint-Niklaas

In Sint-Niklaas in May, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

May Average Humidity in Sint-Niklaas

This chart illustrates the average monthly humidity levels in Sint-Niklaas, 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 Sint-Niklaas 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 Sint-Niklaas

In Sint-Niklaas 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 Sint-Niklaas.

Maximum UV Index Levels in Sint-Niklaas for May

The chart shows the monthly maximum UV Index (UVI) for Sint-Niklaas 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 Sint-Niklaas typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Sint-Niklaas 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 Sint-Niklaas Compares to Other Months

Weather in Sint-Niklaas varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sint-Niklaas, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sint-Niklaas, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)63 mm (2.5 inches)91%low
February Weather6°C (42°F)66 mm (2.6 inches)89%low
March Weather7°C (46°F)69 mm (2.7 inches)87%moderate
April Weather10°C (51°F)39 mm (1.5 inches)85%moderate
May Weather14°C (57°F)64 mm (2.5 inches)82%high
June Weather18°C (65°F)70 mm (2.8 inches)82%very high
July Weather19°C (66°F)74 mm (2.9 inches)80%very high
August Weather19°C (66°F)75 mm (3.0 inches)76%high
September Weather16°C (60°F)56 mm (2.2 inches)82%moderate
October Weather13°C (55°F)83 mm (3.3 inches)89%moderate
November Weather8°C (46°F)54 mm (2.1 inches)92%low
December Weather6°C (43°F)91 mm (3.6 inches)92%low

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