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May Weather in Guimiliau, France

Last updated: August 23, 2025

In May, the average temperature in Guimiliau, France hovers around 13°C (55°F), with daily variations reaching a low of 1°C (34°F) and a high of 28°C (82°F). Expect some rain, with total precipitation averaging 79 mm (3.1 in) over 12 days. Additionally, the average humidity sits at a comfortable 81%, making for a pleasant, albeit somewhat damp, atmosphere.

May Temperature in Guimiliau

In May in Guimiliau, the average temperature is 13°C (55°F), with maximums reaching 28°C (82°F) and minimums dropping as low as 1°C (34°F). This varied climate makes Guimiliau a great destination for travelers seeking both mild days and cool evenings.

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

The chart illustrates May temperature patterns in Guimiliau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guimiliau, 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 (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec444647505560636259554947
Data source: Temperature data for Guimiliau 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 Guimiliau

In Guimiliau in May, the precipitation amount is 79 mm (3.1 in) over a period of 12 days.

May Precipitation Trends in Guimiliau

The chart displays monthly precipitation patterns in Guimiliau, 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 Guimiliau, May typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec739181527910047575310985124
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Guimiliau

In Guimiliau 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 Guimiliau

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

In Guimiliau 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 Guimiliau.

Maximum UV Index Levels in Guimiliau for May

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

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

This table compares monthly weather conditions in Guimiliau, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)73 mm (2.9 inches)89%low
February Weather8°C (46°F)91 mm (3.6 inches)88%moderate
March Weather8°C (48°F)81 mm (3.2 inches)85%moderate
April Weather10°C (51°F)52 mm (2.1 inches)84%high
May Weather13°C (55°F)79 mm (3.1 inches)81%very high
June Weather16°C (60°F)100 mm (3.9 inches)77%very high
July Weather17°C (64°F)47 mm (1.9 inches)63%very high
August Weather17°C (62°F)57 mm (2.3 inches)71%very high
September Weather15°C (60°F)53 mm (2.1 inches)76%high
October Weather13°C (55°F)109 mm (4.3 inches)89%moderate
November Weather9°C (49°F)85 mm (3.4 inches)90%low
December Weather8°C (47°F)124 mm (4.9 inches)90%low

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