May Weather in Thommen, Belgium

Last updated: August 22, 2025

In Thommen, Belgium, the average temperature in May hovers around 11°C (53°F). While you might experience a chilly minimum of -2°C (30°F), the temperature can soar to a pleasant 29°C (84°F) on warmer days. Be prepared for 96 mm (3.8 in) of precipitation over approximately 15 days, and anticipate a comfortable average humidity of 77%.

May Temperature in Thommen

In May in Thommen, the average temperature is 11°C (53°F). The maximum can reach 29°C (84°F), while the minimum can dip as low as -2°C (30°F). It's advisable to pack layers to accommodate the varying temperatures during your travels.

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

The chart illustrates May temperature patterns in Thommen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thommen, May typically has an average temperature of 11°C (53°F), with highs reaching up to 29°C (84°F) and lows dropping to around -2°C (30°F).

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

May Precipitation in Thommen

In Thommen in May, the precipitation amount is 96 mm (3.8 in) over the course of 15 days.

May Precipitation Trends in Thommen

The chart displays monthly precipitation patterns in Thommen, 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 Thommen, May typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 15 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 Thommen

In Thommen in May humidity is 77%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities require extra layers and a quick adjustment to the cool, moist air.

May Average Humidity in Thommen

This chart illustrates the average monthly humidity levels in Thommen, 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 Thommen is approximately 77%, 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 Thommen

In Thommen in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Thommen.

Maximum UV Index Levels in Thommen for May

The chart shows the monthly maximum UV Index (UVI) for Thommen 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 Thommen typically reaches 8, which falls under the very high exposure category.

Data source: Thommen 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 Thommen Compares to Other Months

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

This table compares monthly weather conditions in Thommen, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	97 mm (3.8 inches)	91%	low
February Weather	2°C (36°F)	88 mm (3.5 inches)	90%	moderate
March Weather	5°C (41°F)	107 mm (4.2 inches)	87%	moderate
April Weather	8°C (47°F)	51 mm (2.0 inches)	84%	moderate
May Weather	11°C (53°F)	96 mm (3.8 inches)	77%	very high
June Weather	16°C (61°F)	105 mm (4.1 inches)	74%	very high
July Weather	17°C (62°F)	93 mm (3.7 inches)	72%	very high
August Weather	17°C (63°F)	95 mm (3.7 inches)	71%	high
September Weather	13°C (56°F)	82 mm (3.2 inches)	81%	high
October Weather	10°C (49°F)	93 mm (3.7 inches)	88%	moderate
November Weather	5°C (41°F)	72 mm (2.8 inches)	91%	low
December Weather	3°C (37°F)	137 mm (5.4 inches)	92%	low