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May Weather in Grandrieu, France

Last updated: August 23, 2025

In Grandrieu, France, the average temperature in May hovers around 10°C (51°F). Expect a range of weather, with minimums dipping to -3°C (27°F) and maximums peaking at 27°C (81°F). Be prepared for 117 mm (4.6 in) of precipitation over 15 days, contributing to a cozy average humidity of 77%.

May Temperature in Grandrieu

In May in Grandrieu, the average temperature is 10°C (51°F), with maximums reaching up to 27°C (81°F) and minimums dropping as low as -3°C (27°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and cool conditions.

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

The chart illustrates May temperature patterns in Grandrieu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grandrieu, May typically has an average temperature of 10°C (51°F), with highs reaching up to 27°C (81°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec333740455159636356483936
Data source: Temperature data for Grandrieu 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 Grandrieu

In Grandrieu in May, the total precipitation amount is 117 mm (4.6 in), occurring over the course of 15 days.

May Precipitation Trends in Grandrieu

The chart displays monthly precipitation patterns in Grandrieu, 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 Grandrieu, May typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec7353809811710567585511210995
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Grandrieu

In Grandrieu in May humidity is 77%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that can make outdoor activities somewhat uncomfortable, causing clothes to cling to your skin and breathing to feel heavier, which may deter longer sightseeing adventures.

May Average Humidity in Grandrieu

This chart illustrates the average monthly humidity levels in Grandrieu, 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 Grandrieu is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%88%84%81%77%76%68%61%72%88%91%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Grandrieu

In Grandrieu in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Grandrieu.

Maximum UV Index Levels in Grandrieu for May

The chart shows the monthly maximum UV Index (UVI) for Grandrieu 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 Grandrieu typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Grandrieu 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 Grandrieu Compares to Other Months

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

This table compares monthly weather conditions in Grandrieu, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)73 mm (2.9 inches)91%low
February Weather3°C (37°F)53 mm (2.1 inches)88%moderate
March Weather4°C (40°F)80 mm (3.1 inches)84%high
April Weather7°C (45°F)98 mm (3.9 inches)81%high
May Weather10°C (51°F)117 mm (4.6 inches)77%very high
June Weather15°C (59°F)105 mm (4.1 inches)76%very high
July Weather17°C (63°F)67 mm (2.6 inches)68%very high
August Weather17°C (63°F)58 mm (2.3 inches)61%very high
September Weather13°C (56°F)55 mm (2.1 inches)72%high
October Weather9°C (48°F)112 mm (4.4 inches)88%moderate
November Weather4°C (40°F)109 mm (4.3 inches)91%moderate
December Weather2°C (36°F)95 mm (3.7 inches)92%low

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