May Weather in Olmen, Belgium

Last updated: August 22, 2025

In May, the average temperature in Olmen, Belgium is a mild 14°C (57°F), making it a comfortable time to visit. However, temperatures can vary, with a minimum of 0°C (33°F) and a maximum reaching 32°C (90°F). Be prepared for some rain, as 68 mm (2.7 in) of precipitation is expected over 14 days, and with an average humidity of 77%, you'll feel the moisture in the air.

May Temperature in Olmen

In May in Olmen, 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 Olmen an exciting destination for travelers, offering both warm and chilly experiences.

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

The chart illustrates May temperature patterns in Olmen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olmen, 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).

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

May Precipitation in Olmen

In Olmen in May, the precipitation amount is 68 mm (2.7 in) distributed over a period of 14 days.

May Precipitation Trends in Olmen

The chart displays monthly precipitation patterns in Olmen, 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 Olmen, May typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 14 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 Olmen

In Olmen in May, humidity is 77%. With an average temperature of 14°C (57°F), this humidity feels like a heavy blanket wrapping around you, making outdoor exploration feel muggy and leaving you craving the shade while you travel.

May Average Humidity in Olmen

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

In Olmen 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 Olmen.

Maximum UV Index Levels in Olmen for May

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

Data source: Olmen 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 Olmen Compares to Other Months

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

This table compares monthly weather conditions in Olmen, 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 (39°F)	65 mm (2.6 inches)	91%	low
February Weather	5°C (42°F)	74 mm (2.9 inches)	90%	low
March Weather	7°C (45°F)	74 mm (2.9 inches)	87%	moderate
April Weather	10°C (51°F)	37 mm (1.5 inches)	84%	moderate
May Weather	14°C (57°F)	68 mm (2.7 inches)	77%	high
June Weather	19°C (66°F)	73 mm (2.9 inches)	74%	very high
July Weather	19°C (67°F)	81 mm (3.2 inches)	72%	very high
August Weather	19°C (67°F)	79 mm (3.1 inches)	71%	high
September Weather	15°C (60°F)	60 mm (2.4 inches)	81%	moderate
October Weather	12°C (54°F)	89 mm (3.5 inches)	88%	moderate
November Weather	7°C (45°F)	56 mm (2.2 inches)	91%	low
December Weather	5°C (42°F)	94 mm (3.7 inches)	92%	low