May Weather in Treignes, Belgium

Last updated: August 22, 2025

In May, the average temperature in Treignes, Belgium is a pleasant 13°C (55°F). However, be prepared for a range of temperatures, as it can dip to a minimum of 0°C (32°F) and rise to a maximum of 30°C (86°F). Travelers should also anticipate 77 mm (3.0 in) of precipitation spread over 14 days, with an average humidity level of 82%.

May Temperature in Treignes

In May in Treignes, the average temperature is 13°C (55°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as 0°C (32°F). This diverse temperature range makes it essential for travelers to pack layers for their visit.

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

The chart illustrates May temperature patterns in Treignes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Treignes, May typically has an average temperature of 13°C (55°F), with highs reaching up to 30°C (86°F) and lows dropping to around 0°C (32°F).

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

May Precipitation in Treignes

In Treignes in May, the precipitation amount is 77 mm (3.0 in) over the course of 14 days.

May Precipitation Trends in Treignes

The chart displays monthly precipitation patterns in Treignes, 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 Treignes, May typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Treignes

In Treignes in May, humidity is 82%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities sticky and uncomfortable for traveling.

May Average Humidity in Treignes

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

In Treignes 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 Treignes.

Maximum UV Index Levels in Treignes for May

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

Data source: Treignes 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 Treignes Compares to Other Months

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

This table compares monthly weather conditions in Treignes, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	83 mm (3.3 inches)	91%	low
February Weather	4°C (40°F)	83 mm (3.3 inches)	89%	moderate
March Weather	6°C (44°F)	93 mm (3.7 inches)	86%	moderate
April Weather	9°C (49°F)	48 mm (1.9 inches)	84%	high
May Weather	13°C (55°F)	77 mm (3.0 inches)	82%	very high
June Weather	17°C (63°F)	81 mm (3.2 inches)	82%	very high
July Weather	18°C (65°F)	78 mm (3.1 inches)	80%	very high
August Weather	18°C (65°F)	84 mm (3.3 inches)	76%	high
September Weather	15°C (59°F)	69 mm (2.7 inches)	81%	moderate
October Weather	11°C (52°F)	100 mm (3.9 inches)	88%	moderate
November Weather	6°C (43°F)	71 mm (2.8 inches)	92%	low
December Weather	4°C (40°F)	130 mm (5.1 inches)	93%	low