May Weather in Grolloo, Netherlands

Last updated: August 27, 2025

In May, the average temperature in Grolloo, Netherlands hovers around 13°C (55°F), with minimums dipping to -1°C (31°F) and maximums soaring up to 30°C (87°F). Prepare for a fair amount of rain, as precipitation totals about 65 mm (2.6 in) over approximately 13 days. Additionally, you'll experience an average humidity of 80%, contributing to a rather moist atmosphere.

May Temperature in Grolloo

In May in Grolloo, the average temperature is 13°C (55°F). Maximums can reach 30°C (87°F), and minimums can drop as low as -1°C (31°F). Be prepared for a wide range of temperatures when traveling to Grolloo during this month!

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

The chart illustrates May temperature patterns in Grolloo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grolloo, May typically has an average temperature of 13°C (55°F), with highs reaching up to 30°C (87°F) and lows dropping to around -1°C (31°F).

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

May Precipitation in Grolloo

In Grolloo in May, the precipitation amount is 65 mm (2.6 in) spread over a duration of 13 days.

May Precipitation Trends in Grolloo

The chart displays monthly precipitation patterns in Grolloo, 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 Grolloo, May typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 13 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 Grolloo

In Grolloo in May humidity is 80%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket wrapping around you, making any outdoor activity feel stifling and heavy, which can lead to fatigue for travelers unaccustomed to such moist conditions.

May Average Humidity in Grolloo

This chart illustrates the average monthly humidity levels in Grolloo, 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 Grolloo is approximately 80%, 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 Grolloo

In Grolloo 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 Grolloo.

Maximum UV Index Levels in Grolloo for May

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

Data source: Grolloo 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 Grolloo Compares to Other Months

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

This table compares monthly weather conditions in Grolloo, 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)	60 mm (2.3 inches)	88%	low
February Weather	4°C (40°F)	63 mm (2.5 inches)	88%	low
March Weather	6°C (43°F)	71 mm (2.8 inches)	86%	moderate
April Weather	9°C (48°F)	44 mm (1.7 inches)	84%	moderate
May Weather	13°C (55°F)	65 mm (2.6 inches)	80%	high
June Weather	17°C (63°F)	80 mm (3.2 inches)	75%	very high
July Weather	18°C (64°F)	93 mm (3.7 inches)	75%	high
August Weather	18°C (65°F)	86 mm (3.4 inches)	75%	high
September Weather	15°C (58°F)	62 mm (2.4 inches)	83%	moderate
October Weather	12°C (53°F)	84 mm (3.3 inches)	86%	moderate
November Weather	7°C (45°F)	50 mm (2.0 inches)	87%	low
December Weather	5°C (41°F)	80 mm (3.1 inches)	86%	low