May Weather in Portbail, France

Last updated: August 23, 2025

In May, the average temperature in Portbail, France hovers around 13°C (56°F). Expect a minimum dip to 6°C (43°F) and a sunny maximum of 24°C (75°F). During this time, precipitation totals around 71 mm (2.8 in) across roughly 12 days, complemented by an average humidity of 80%. Perfect for cozy adventures!

May Temperature in Portbail

In May in Portbail, the average temperature is 13°C (56°F). Maximums can reach 24°C (75°F) and minimums can be as low as 6°C (43°F). This weather makes it a great time for outdoor activities, so be sure to pack accordingly for a comfortable trip.

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

The chart illustrates May temperature patterns in Portbail, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portbail, May typically has an average temperature of 13°C (56°F), with highs reaching up to 24°C (75°F) and lows dropping to around 6°C (43°F).

Data source: Temperature data for Portbail generated using information from the Copernicus Climate Change Service.

May Precipitation in Portbail

In Portbail in May, the precipitation amount is 71 mm (2.8 in) during a total of 12 days.

May Precipitation Trends in Portbail

The chart displays monthly precipitation patterns in Portbail, 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 Portbail, May typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Portbail

In Portbail 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 Portbail

This chart illustrates the average monthly humidity levels in Portbail, 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 Portbail is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Portbail

In Portbail 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 Portbail.

Maximum UV Index Levels in Portbail for May

The chart shows the monthly maximum UV Index (UVI) for Portbail 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 Portbail typically reaches 7, which falls under the high exposure category.

Data source: Portbail 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 Portbail Compares to Other Months

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

This table compares monthly weather conditions in Portbail, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	83 mm (3.3 inches)	90%	low
February Weather	8°C (46°F)	80 mm (3.1 inches)	89%	moderate
March Weather	9°C (48°F)	80 mm (3.1 inches)	86%	moderate
April Weather	11°C (51°F)	37 mm (1.5 inches)	84%	high
May Weather	13°C (56°F)	71 mm (2.8 inches)	80%	high
June Weather	16°C (61°F)	79 mm (3.1 inches)	80%	very high
July Weather	18°C (65°F)	54 mm (2.1 inches)	69%	very high
August Weather	18°C (65°F)	72 mm (2.8 inches)	73%	very high
September Weather	17°C (62°F)	72 mm (2.8 inches)	79%	high
October Weather	14°C (58°F)	131 mm (5.2 inches)	89%	moderate
November Weather	11°C (52°F)	102 mm (4.0 inches)	92%	low
December Weather	9°C (48°F)	153 mm (6.0 inches)	92%	low