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May Weather in Yffiniac, France

Last updated: August 23, 2025

In May, the average temperature in Yffiniac, France hovers around 13°C (55°F). Expect a chill, with minimum lows reaching 1°C (34°F), while sunny days can warm up to a pleasant 28°C (82°F). During this time, the region sees an average precipitation of 65 mm (2.6 in) spread over 11 days, resulting in a high humidity level of 81%. Be prepared for both cozy and rainy days!

May Temperature in Yffiniac

In May in Yffiniac, 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 Yffiniac a great destination for travelers seeking both mild days and cool evenings.

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

The chart illustrates May temperature patterns in Yffiniac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yffiniac, 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).
JanFebMarAprMayJunJulAugSepOctNovDec444547505561646360554846
Data source: Temperature data for Yffiniac 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 Yffiniac

In Yffiniac in May, the precipitation amount is 65 mm (2.6 in) over a span of 11 days.

May Precipitation Trends in Yffiniac

The chart displays monthly precipitation patterns in Yffiniac, 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 Yffiniac, May typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec476555436597484444996495
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Yffiniac

In Yffiniac 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 Yffiniac

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

In Yffiniac 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 Yffiniac.

Maximum UV Index Levels in Yffiniac for May

The chart shows the monthly maximum UV Index (UVI) for Yffiniac 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 Yffiniac typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Yffiniac 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 Yffiniac Compares to Other Months

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

This table compares monthly weather conditions in Yffiniac, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)47 mm (1.9 inches)89%low
February Weather7°C (45°F)65 mm (2.6 inches)88%moderate
March Weather8°C (48°F)55 mm (2.2 inches)85%moderate
April Weather10°C (51°F)43 mm (1.7 inches)84%high
May Weather13°C (55°F)65 mm (2.6 inches)81%very high
June Weather16°C (61°F)97 mm (3.8 inches)77%very high
July Weather18°C (64°F)48 mm (1.9 inches)63%very high
August Weather17°C (63°F)44 mm (1.7 inches)71%very high
September Weather16°C (61°F)44 mm (1.7 inches)76%high
October Weather13°C (55°F)99 mm (3.9 inches)89%moderate
November Weather9°C (49°F)64 mm (2.5 inches)90%low
December Weather8°C (47°F)95 mm (3.7 inches)90%low

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