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May Weather in Trelly, France

Last updated: August 23, 2025

In May, the average temperature in Trelly, France hovers around 13°C (56°F), with a possible minimum of 5°C (41°F) and a maximum reaching 25°C (77°F). Expect 82 mm (3.2 in) of precipitation spread over 12 days, contributing to an average humidity level of 80%. Pack accordingly for a mix of cool and mild weather!

May Temperature in Trelly

In May in Trelly, the average temperature is 13°C (56°F). Maximums can reach 25°C (77°F), while minimums can drop as low as 5°C (41°F). This mild weather makes Trelly an appealing destination for travelers looking to explore comfortably.

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

The chart illustrates May temperature patterns in Trelly, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trelly, May typically has an average temperature of 13°C (56°F), with highs reaching up to 25°C (77°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec454648515661656462575047
Data source: Temperature data for Trelly 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 Trelly

In Trelly in May, the precipitation amount is 82 mm (3.2 in) occurring over a span of 12 days.

May Precipitation Trends in Trelly

The chart displays monthly precipitation patterns in Trelly, 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 Trelly, May typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec979391428281627885146115176
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Trelly

In Trelly in May humidity is 80%. With average temperature 13°C (56°F) this humidity feels like a damp chill that seeps into your bones, making outdoor exploration more challenging and necessitating layered clothing for comfort.

May Average Humidity in Trelly

This chart illustrates the average monthly humidity levels in Trelly, 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 Trelly is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%86%85%80%80%69%73%79%89%92%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Trelly

In Trelly 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 Trelly.

Maximum UV Index Levels in Trelly for May

The chart shows the monthly maximum UV Index (UVI) for Trelly 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 Trelly typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679886421
Data source: Trelly 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 Trelly Compares to Other Months

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

This table compares monthly weather conditions in Trelly, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)96 mm (3.8 inches)90%low
February Weather8°C (46°F)93 mm (3.7 inches)89%moderate
March Weather9°C (48°F)91 mm (3.6 inches)86%moderate
April Weather11°C (51°F)42 mm (1.7 inches)84%high
May Weather13°C (56°F)82 mm (3.2 inches)80%high
June Weather16°C (62°F)81 mm (3.2 inches)80%very high
July Weather18°C (65°F)62 mm (2.4 inches)69%very high
August Weather18°C (65°F)77 mm (3.1 inches)73%very high
September Weather17°C (62°F)85 mm (3.3 inches)79%high
October Weather14°C (57°F)146 mm (5.7 inches)89%moderate
November Weather10°C (51°F)115 mm (4.5 inches)92%low
December Weather9°C (48°F)176 mm (6.9 inches)92%low

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