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May Weather in Grundviller, France

Last updated: August 23, 2025

In Grundviller, France, the average temperature during May is a comfortable 14°C (57°F). However, temperatures can fluctuate significantly, with a minimum of 1°C (34°F) and a maximum reaching 32°C (90°F). Expect 76 mm (3.0 in) of precipitation over 12 days, contributing to an average humidity of 81%, making it a month filled with pleasant, albeit occasionally wet, moments.

May Temperature in Grundviller

In May in Grundviller, the average temperature is 14°C (57°F). Maximum temperatures can reach up to 32°C (90°F), while minimums can dip as low as 1°C (34°F). It's advisable to pack a mix of clothing to enjoy a comfortable and varied climate during your travels.

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

The chart illustrates May temperature patterns in Grundviller, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grundviller, 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 (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec364044505767696861534340
Data source: Temperature data for Grundviller generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Grundviller

In Grundviller in May, the total precipitation amount is 76 mm (3.0 in), occurring over the course of 12 days.

May Precipitation Trends in Grundviller

The chart displays monthly precipitation patterns in Grundviller, 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 Grundviller, May typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7979804276635750606367122
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Grundviller

In Grundviller in May, humidity is 81%. With an average temperature of 14°C (57°F), this humidity feels like a warm, dense blanket that clings to your skin, making outdoor exploration a bit heavier and more tiring.

May Average Humidity in Grundviller

This chart illustrates the average monthly humidity levels in Grundviller, 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 Grundviller is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Grundviller

In Grundviller 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 Grundviller.

Maximum UV Index Levels in Grundviller for May

The chart shows the monthly maximum UV Index (UVI) for Grundviller 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 Grundviller typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Grundviller 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 Grundviller Compares to Other Months

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

This table compares monthly weather conditions in Grundviller, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)79 mm (3.1 inches)91%low
February Weather5°C (40°F)79 mm (3.1 inches)90%moderate
March Weather7°C (44°F)80 mm (3.2 inches)88%moderate
April Weather10°C (51°F)42 mm (1.7 inches)84%high
May Weather14°C (57°F)76 mm (3.0 inches)81%very high
June Weather19°C (67°F)63 mm (2.5 inches)82%very high
July Weather20°C (69°F)57 mm (2.3 inches)82%very high
August Weather20°C (69°F)50 mm (2.0 inches)80%very high
September Weather16°C (61°F)60 mm (2.4 inches)83%high
October Weather12°C (53°F)63 mm (2.5 inches)89%moderate
November Weather6°C (43°F)67 mm (2.7 inches)91%low
December Weather4°C (40°F)122 mm (4.8 inches)93%low

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