nomadseason

May Weather in Trelevern, France

Last updated: August 23, 2025

In May, the average temperature in Trelevern, France is around 13°C (55°F). Expect minimum temperatures to drop to 4°C (39°F), while highs can reach up to 26°C (78°F). During this month, you can anticipate 64 mm (2.5 in) of precipitation spread over 10 days, contributing to an average humidity of 81%.

May Temperature in Trelevern

In May in Trelevern, the average temperature is 13°C (55°F). Maximum temperatures can reach 26°C (78°F), while minimums can drop as low as 4°C (39°F). This varied climate makes it a great time to enjoy both outdoor activities and cozy indoor experiences while traveling.

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

The chart illustrates May temperature patterns in Trelevern, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trelevern, May typically has an average temperature of 13°C (55°F), with highs reaching up to 26°C (78°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec464748515560636361565048
Data source: Temperature data for Trelevern 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 Trelevern

In Trelevern in May, the precipitation amount is 64 mm (2.5 in) over a span of 10 days.

May Precipitation Trends in Trelevern

The chart displays monthly precipitation patterns in Trelevern, 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 Trelevern, May typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec66756043647840414611077119
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Trelevern

In Trelevern 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 Trelevern

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

In Trelevern 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 Trelevern.

Maximum UV Index Levels in Trelevern for May

The chart shows the monthly maximum UV Index (UVI) for Trelevern 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 Trelevern typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Trelevern 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 Trelevern Compares to Other Months

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

This table compares monthly weather conditions in Trelevern, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)66 mm (2.6 inches)89%low
February Weather8°C (47°F)75 mm (3.0 inches)88%moderate
March Weather9°C (48°F)60 mm (2.4 inches)85%moderate
April Weather10°C (51°F)43 mm (1.7 inches)84%high
May Weather13°C (55°F)64 mm (2.5 inches)81%very high
June Weather15°C (60°F)78 mm (3.1 inches)77%very high
July Weather17°C (63°F)40 mm (1.6 inches)63%very high
August Weather17°C (63°F)41 mm (1.6 inches)71%very high
September Weather16°C (61°F)46 mm (1.8 inches)76%high
October Weather13°C (56°F)110 mm (4.3 inches)89%moderate
November Weather10°C (51°F)77 mm (3.0 inches)90%low
December Weather9°C (48°F)119 mm (4.7 inches)90%low

Compare Trelevern's Climate with Cities Worldwide