nomadseason

May Weather in Lanhouarneau, France

Last updated: August 23, 2025

In May, the average temperature in Lanhouarneau, France is a comfortable 13°C (55°F). Expect minimums dipping to 2°C (36°F) and maximums soaring to 27°C (81°F). With precipitation reaching 67 mm (2.6 in) over approximately 12 days, don't forget your umbrella! The average humidity hovers around a noteworthy 81%, adding to the region's unique charm.

May Temperature in Lanhouarneau

In May in Lanhouarneau, the average temperature is 13°C (55°F). Maximums can reach 27°C (81°F), while minimums can drop as low as 2°C (36°F). It's a great time to visit, so pack accordingly to enjoy the pleasant weather!

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

The chart illustrates May temperature patterns in Lanhouarneau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lanhouarneau, May typically has an average temperature of 13°C (55°F), with highs reaching up to 27°C (81°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec454648515560636260555048
Data source: Temperature data for Lanhouarneau 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 Lanhouarneau

In Lanhouarneau in May, the precipitation amount is 67 mm (2.6 in) distributed over 12 days.

May Precipitation Trends in Lanhouarneau

The chart displays monthly precipitation patterns in Lanhouarneau, 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 Lanhouarneau, May typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec74927648678647585110988127
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Lanhouarneau

In Lanhouarneau 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 Lanhouarneau

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

In Lanhouarneau 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 Lanhouarneau.

Maximum UV Index Levels in Lanhouarneau for May

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

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

This table compares monthly weather conditions in Lanhouarneau, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)74 mm (2.9 inches)89%low
February Weather8°C (47°F)92 mm (3.6 inches)88%moderate
March Weather9°C (48°F)76 mm (3.0 inches)85%moderate
April Weather10°C (51°F)48 mm (1.9 inches)84%high
May Weather13°C (55°F)67 mm (2.6 inches)81%very high
June Weather16°C (60°F)86 mm (3.4 inches)77%very high
July Weather17°C (64°F)47 mm (1.8 inches)63%very high
August Weather17°C (62°F)58 mm (2.3 inches)71%very high
September Weather15°C (60°F)51 mm (2.0 inches)76%high
October Weather13°C (55°F)109 mm (4.3 inches)89%moderate
November Weather10°C (50°F)88 mm (3.5 inches)90%low
December Weather9°C (48°F)127 mm (5.0 inches)90%low

Compare Lanhouarneau's Climate with Cities Worldwide