May Weather in Gronau, Germany

Last updated: August 23, 2025

In May, the average temperature in Gronau, Germany hovers around 14°C (57°F). However, be prepared for a range, as temperatures can dip to a minimum of -1°C (31°F) or soar to a maximum of 32°C (90°F). You'll likely encounter 65 mm (2.5 in) of precipitation over 14 days, and with an average humidity of 80%, it's a month that promises a mix of both wet and warm days.

May Temperature in Gronau

In May in Gronau, the average temperature is 14°C (57°F). Maximums can reach 32°C (90°F), while minimums can drop as low as -1°C (31°F). Travelers should be prepared for a range of temperatures, so packing layers is advisable.

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

The chart illustrates May temperature patterns in Gronau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gronau, 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 -1°C (31°F).

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

May Precipitation in Gronau

In Gronau in May, the precipitation amount is 65 mm (2.5 in) over a span of 14 days.

May Precipitation Trends in Gronau

The chart displays monthly precipitation patterns in Gronau, 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 Gronau, May typically receives around 65 mm (2.5 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 Gronau

In Gronau in May, humidity is 80%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making travel uncomfortable and sticky, as sweat clings to your skin and the air feels heavy with moisture.

May Average Humidity in Gronau

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

In Gronau 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 Gronau.

Maximum UV Index Levels in Gronau for May

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

Data source: Gronau 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 Gronau Compares to Other Months

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

This table compares monthly weather conditions in Gronau, 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)	67 mm (2.6 inches)	88%	low
February Weather	4°C (40°F)	75 mm (2.9 inches)	88%	low
March Weather	6°C (44°F)	76 mm (3.0 inches)	86%	moderate
April Weather	10°C (50°F)	36 mm (1.4 inches)	84%	moderate
May Weather	14°C (57°F)	65 mm (2.5 inches)	80%	high
June Weather	19°C (66°F)	65 mm (2.6 inches)	75%	very high
July Weather	19°C (66°F)	74 mm (2.9 inches)	75%	very high
August Weather	19°C (66°F)	76 mm (3.0 inches)	75%	high
September Weather	15°C (59°F)	63 mm (2.5 inches)	83%	moderate
October Weather	12°C (54°F)	86 mm (3.4 inches)	86%	moderate
November Weather	7°C (45°F)	54 mm (2.1 inches)	87%	low
December Weather	5°C (41°F)	91 mm (3.6 inches)	86%	low