May Weather in Halen, Belgium

Last updated: August 22, 2025

In May, the average temperature in Halen, Belgium is a pleasant 14°C (57°F). However, temperatures can vary significantly, with a minimum of 1°C (33°F) and a maximum of 31°C (89°F). Expect about 63 mm (2.5 in) of precipitation over 12 days, and the air tends to be quite humid, with an average humidity level of 82%.

May Temperature in Halen

In May in Halen, the average temperature is 14°C (57°F). Maximum temperatures can reach 31°C (89°F), while the minimum can drop as low as 1°C (33°F). Be prepared for a wide range of temperatures during your travels, as layering is advisable to ensure comfort in varying weather conditions.

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

The chart illustrates May temperature patterns in Halen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Halen, May typically has an average temperature of 14°C (57°F), with highs reaching up to 31°C (89°F) and lows dropping to around 1°C (33°F).

Data source: Temperature data for Halen generated using information from the Copernicus Climate Change Service.

May Precipitation in Halen

In Halen in May, the total precipitation amount reaches 63 mm (2.5 in) over the course of 12 days.

May Precipitation Trends in Halen

The chart displays monthly precipitation patterns in Halen, 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 Halen, May typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Halen

In Halen 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 Halen

This chart illustrates the average monthly humidity levels in Halen, 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 Halen is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Halen

In Halen 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 Halen.

Maximum UV Index Levels in Halen for May

The chart shows the monthly maximum UV Index (UVI) for Halen 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 Halen typically reaches 7, which falls under the high exposure category.

Data source: Halen 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 Halen Compares to Other Months

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

This table compares monthly weather conditions in Halen, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	64 mm (2.5 inches)	91%	low
February Weather	5°C (42°F)	71 mm (2.8 inches)	89%	low
March Weather	7°C (46°F)	73 mm (2.9 inches)	87%	moderate
April Weather	10°C (51°F)	33 mm (1.3 inches)	85%	moderate
May Weather	14°C (57°F)	63 mm (2.5 inches)	82%	high
June Weather	19°C (66°F)	73 mm (2.9 inches)	82%	very high
July Weather	19°C (67°F)	79 mm (3.1 inches)	80%	very high
August Weather	19°C (67°F)	78 mm (3.1 inches)	76%	high
September Weather	16°C (60°F)	57 mm (2.2 inches)	82%	moderate
October Weather	12°C (55°F)	82 mm (3.2 inches)	89%	moderate
November Weather	7°C (46°F)	56 mm (2.2 inches)	92%	low
December Weather	6°C (42°F)	96 mm (3.8 inches)	92%	low