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May Weather in Grignan, France

Last updated: August 23, 2025

In May, the average temperature in Grignan, France hovers around 16°C (61°F), offering a pleasant climate for exploration. You might experience temperatures ranging from a chilly 2°C (36°F) at night to a warm 32°C (89°F) during the day. Keep an umbrella handy, as precipitation typically totals 101 mm (4.0 in) over 12 days. The average humidity is a comfortable 77%, creating a lush and inviting atmosphere.

May Temperature in Grignan

In May in Grignan, the average temperature is 16°C (61°F). Maximum temperatures can reach 32°C (89°F), while the minimum can drop as low as 2°C (36°F). Be prepared for a variety of weather conditions when planning your travels!

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

The chart illustrates May temperature patterns in Grignan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grignan, May typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (89°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec394448546170747366574742
Data source: Temperature data for Grignan 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 Grignan

In Grignan in May, the precipitation amount is 101 mm (4.0 in) spread over 12 days.

May Precipitation Trends in Grignan

The chart displays monthly precipitation patterns in Grignan, 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 Grignan, May typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4346676710160284040100104101
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Grignan

In Grignan in May humidity is 77%. With an average temperature of 16°C (61°F), this humidity feels like a slight heaviness in the air, making every step feel a touch more effortful while traveling. The dampness clings to your skin, adding a layer of discomfort, yet the mild temperature invites you to explore the surroundings, blending the challenge of the humidity with an opportunity for a refreshing adventure.

May Average Humidity in Grignan

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

In Grignan 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 Grignan.

Maximum UV Index Levels in Grignan for May

The chart shows the monthly maximum UV Index (UVI) for Grignan 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 Grignan typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810997532
Data source: Grignan 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 Grignan Compares to Other Months

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

This table compares monthly weather conditions in Grignan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)42 mm (1.7 inches)91%low
February Weather7°C (44°F)46 mm (1.8 inches)88%moderate
March Weather9°C (48°F)67 mm (2.6 inches)84%moderate
April Weather12°C (54°F)67 mm (2.6 inches)81%high
May Weather16°C (61°F)101 mm (4.0 inches)77%very high
June Weather21°C (70°F)60 mm (2.4 inches)76%very high
July Weather23°C (74°F)28 mm (1.1 inches)68%very high
August Weather23°C (73°F)40 mm (1.6 inches)61%very high
September Weather19°C (66°F)40 mm (1.6 inches)72%high
October Weather14°C (57°F)100 mm (3.9 inches)88%moderate
November Weather8°C (47°F)104 mm (4.1 inches)91%moderate
December Weather5°C (42°F)101 mm (4.0 inches)92%low

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