nomadseason

May Weather in Saint-Donan, France

Last updated: August 23, 2025

In May, the average temperature in Saint-Donan, France is a comfortable 13°C (55°F), but be prepared for a range that can dip to a chilly 1°C (33°F) and peak at a warm 28°C (82°F). Expect 74 mm (2.9 in) of precipitation over approximately 12 days, and with an average humidity of 81%, it's wise to pack for both sun and occasional showers.

May Temperature in Saint-Donan

In May in Saint-Donan, the average temperature is 13°C (55°F). Maximum temperatures can reach up to 28°C (82°F), while minimums can drop as low as 1°C (33°F). Be sure to pack layers to accommodate the significant temperature variations if you're planning to travel during this time!

May Weather in Saint-Donan: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Saint-Donan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Donan, May typically has an average temperature of 13°C (55°F), with highs reaching up to 28°C (82°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec434547505560636360554846
Data source: Temperature data for Saint-Donan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Saint-Donan

In Saint-Donan in May, the precipitation amount is 74 mm (2.9 in) over a span of 12 days.

May Precipitation Trends in Saint-Donan

The chart displays monthly precipitation patterns in Saint-Donan, 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 Saint-Donan, May typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec526962477410750474610268100
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Saint-Donan

In Saint-Donan in May, humidity is 81%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket wrapping around you, making strolls outdoors feel heavy and slightly oppressive, which may be less than ideal for travelers looking to explore comfortably.

May Average Humidity in Saint-Donan

This chart illustrates the average monthly humidity levels in Saint-Donan, 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 Saint-Donan is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%85%84%81%77%63%71%76%89%90%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Saint-Donan

In Saint-Donan 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 Saint-Donan.

Maximum UV Index Levels in Saint-Donan for May

The chart shows the monthly maximum UV Index (UVI) for Saint-Donan 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 Saint-Donan typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986522
Data source: Saint-Donan 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 Saint-Donan Compares to Other Months

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

This table compares monthly weather conditions in Saint-Donan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)52 mm (2.0 inches)89%low
February Weather7°C (45°F)69 mm (2.7 inches)88%moderate
March Weather8°C (47°F)62 mm (2.5 inches)85%moderate
April Weather10°C (50°F)47 mm (1.8 inches)84%high
May Weather13°C (55°F)74 mm (2.9 inches)81%very high
June Weather16°C (61°F)107 mm (4.2 inches)77%very high
July Weather17°C (64°F)50 mm (2.0 inches)63%very high
August Weather17°C (63°F)46 mm (1.8 inches)71%very high
September Weather15°C (60°F)46 mm (1.8 inches)76%high
October Weather13°C (55°F)102 mm (4.0 inches)89%moderate
November Weather9°C (48°F)68 mm (2.7 inches)90%low
December Weather8°C (46°F)100 mm (3.9 inches)90%low

Compare Saint-Donan's Climate with Cities Worldwide