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May Weather in Kasterlee, Belgium

Last updated: August 22, 2025

In Kasterlee, Belgium, the average temperature in May hovers around 14°C (57°F), with temperatures ranging from a chilly 0°C (33°F) to a warm 32°C (90°F). Visitors can expect about 68 mm (2.7 in) of precipitation spread over 13 days, contributing to an average humidity of 82%. Pack accordingly for a mix of cool and warm days!

May Temperature in Kasterlee

In May in Kasterlee, the average temperature is 14°C (57°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 0°C (33°F). This varied climate makes Kasterlee an exciting destination for travelers, offering both warm and chilly experiences.

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

The chart illustrates May temperature patterns in Kasterlee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kasterlee, May typically has an average temperature of 14°C (57°F), with highs reaching up to 32°C (90°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec394145505765666660544542
Data source: Temperature data for Kasterlee 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 Kasterlee

In Kasterlee in May, the precipitation amount is 68 mm (2.7 in) spread over 13 days.

May Precipitation Trends in Kasterlee

The chart displays monthly precipitation patterns in Kasterlee, 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 Kasterlee, May typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec657475386869818158875795
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kasterlee

In Kasterlee 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 Kasterlee

This chart illustrates the average monthly humidity levels in Kasterlee, 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 Kasterlee 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 Kasterlee

In Kasterlee 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 Kasterlee.

Maximum UV Index Levels in Kasterlee for May

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

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

This table compares monthly weather conditions in Kasterlee, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)65 mm (2.5 inches)91%low
February Weather5°C (42°F)74 mm (2.9 inches)89%low
March Weather7°C (45°F)75 mm (3.0 inches)87%moderate
April Weather10°C (51°F)37 mm (1.5 inches)85%moderate
May Weather14°C (57°F)68 mm (2.7 inches)82%high
June Weather19°C (66°F)69 mm (2.7 inches)82%very high
July Weather19°C (67°F)81 mm (3.2 inches)80%very high
August Weather19°C (66°F)81 mm (3.2 inches)76%high
September Weather15°C (60°F)58 mm (2.3 inches)82%moderate
October Weather12°C (54°F)87 mm (3.4 inches)89%moderate
November Weather7°C (45°F)57 mm (2.3 inches)92%low
December Weather5°C (42°F)95 mm (3.7 inches)92%low

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