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May Weather in Kaster, Belgium

Last updated: August 22, 2025

In Kaster, Belgium, the average temperature in May hovers around 14°C (57°F). Expect a range where the minimum can dip to 1°C (34°F) while the maximum climbs to 29°C (85°F). During this month, anticipate about 57 mm (2.2 in) of precipitation spread over 12 days, contributing to an average humidity of 82%.

May Temperature in Kaster

In May in Kaster, the average temperature is 14°C (57°F). Maximums can reach 29°C (85°F), while minimums can drop as low as 1°C (34°F). This variability makes it essential for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates May temperature patterns in Kaster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kaster, May typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (85°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec404246505664666660544643
Data source: Temperature data for Kaster 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 Kaster

In Kaster in May, the precipitation amount is 57 mm (2.2 in) over a span of 12 days.

May Precipitation Trends in Kaster

The chart displays monthly precipitation patterns in Kaster, 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 Kaster, May typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec666769395760587754825896
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kaster

In Kaster 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 Kaster

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

In Kaster 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 Kaster.

Maximum UV Index Levels in Kaster for May

The chart shows the monthly maximum UV Index (UVI) for Kaster 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 Kaster typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Kaster 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 Kaster Compares to Other Months

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

This table compares monthly weather conditions in Kaster, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)66 mm (2.6 inches)91%low
February Weather6°C (42°F)67 mm (2.6 inches)89%low
March Weather8°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)57 mm (2.2 inches)82%high
June Weather18°C (64°F)60 mm (2.4 inches)82%very high
July Weather19°C (66°F)58 mm (2.3 inches)80%very high
August Weather19°C (66°F)77 mm (3.0 inches)76%high
September Weather16°C (60°F)54 mm (2.1 inches)82%moderate
October Weather12°C (55°F)82 mm (3.2 inches)89%moderate
November Weather8°C (46°F)58 mm (2.3 inches)92%low
December Weather6°C (43°F)96 mm (3.8 inches)92%low

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