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May Weather in Groffliers, France

Last updated: August 23, 2025

In May, the average temperature in Groffliers, France hovers around 13°C (55°F). Expect a range from a cool 4°C (39°F) to a warm 24°C (76°F). Be prepared for some rain, as 71 mm (2.8 in) of precipitation typically falls over 11 days, and the average humidity sits at a high 82%.

May Temperature in Groffliers

In May in Groffliers, the average temperature is 13°C (55°F). Maximum can reach 24°C (76°F) and minimum can be as low as 4°C (39°F). This mild climate makes it an ideal time for exploring outdoor attractions and enjoying the local scenery.

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

The chart illustrates May temperature patterns in Groffliers, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Groffliers, May typically has an average temperature of 13°C (55°F), with highs reaching up to 24°C (76°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec434446505561646561564946
Data source: Temperature data for Groffliers 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 Groffliers

In Groffliers in May, the precipitation amount is 71 mm (2.8 in) distributed over 11 days.

May Precipitation Trends in Groffliers

The chart displays monthly precipitation patterns in Groffliers, 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 Groffliers, May typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec847781337164507674120104148
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Groffliers

In Groffliers in May, humidity is 82%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities sticky and uncomfortable for traveling.

May Average Humidity in Groffliers

This chart illustrates the average monthly humidity levels in Groffliers, 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 Groffliers is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Groffliers

In Groffliers 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 Groffliers.

Maximum UV Index Levels in Groffliers for May

The chart shows the monthly maximum UV Index (UVI) for Groffliers 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 Groffliers typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224679885421
Data source: Groffliers 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 Groffliers Compares to Other Months

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

This table compares monthly weather conditions in Groffliers, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)84 mm (3.3 inches)91%low
February Weather7°C (44°F)77 mm (3.0 inches)89%low
March Weather8°C (47°F)81 mm (3.2 inches)86%moderate
April Weather10°C (50°F)33 mm (1.3 inches)85%high
May Weather13°C (55°F)71 mm (2.8 inches)82%high
June Weather16°C (61°F)64 mm (2.5 inches)81%very high
July Weather18°C (65°F)50 mm (2.0 inches)76%very high
August Weather18°C (65°F)76 mm (3.0 inches)73%very high
September Weather16°C (62°F)74 mm (2.9 inches)80%moderate
October Weather14°C (57°F)120 mm (4.7 inches)89%moderate
November Weather9°C (49°F)104 mm (4.1 inches)92%low
December Weather8°C (46°F)148 mm (5.8 inches)92%low

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