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May Weather in Le Portel, France

Last updated: August 23, 2025

In Le Portel, France, the average temperature in May hovers around 12°C (54°F), with minimums dipping to 4°C (39°F) and maximums reaching 23°C (74°F). Expect about 61 mm (2.4 in) of precipitation spread over 10 days, contributing to an average humidity level of 82%. Whether you’re packing for the cool days or rainy ones, this month calls for both comfort and readiness!

May Temperature in Le Portel

In May in Le Portel, the average temperature is 12°C (54°F), with maximums reaching up to 23°C (74°F) and minimums dropping as low as 4°C (39°F). This moderate climate makes Le Portel an ideal destination for travelers seeking a comfortable environment for exploration.

May Weather in Le Portel: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Le Portel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Le Portel, May typically has an average temperature of 12°C (54°F), with highs reaching up to 23°C (74°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec434446495460646461564946
Data source: Temperature data for Le Portel 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 Le Portel

In Le Portel in May, the precipitation amount is 61 mm (2.4 in) over a span of 10 days.

May Precipitation Trends in Le Portel

The chart displays monthly precipitation patterns in Le Portel, 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 Le Portel, May typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec817473316167497467123104143
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Le Portel

In Le Portel in May humidity is 82%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and sweat-inducing, which can be quite uncomfortable for traveling.

May Average Humidity in Le Portel

This chart illustrates the average monthly humidity levels in Le Portel, 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 Le Portel is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Le Portel

In Le Portel 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 Le Portel.

Maximum UV Index Levels in Le Portel for May

The chart shows the monthly maximum UV Index (UVI) for Le Portel 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 Le Portel typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224578875421
Data source: Le Portel 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 Le Portel Compares to Other Months

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

This table compares monthly weather conditions in Le Portel, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)81 mm (3.2 inches)91%low
February Weather7°C (44°F)74 mm (2.9 inches)89%low
March Weather8°C (46°F)73 mm (2.9 inches)86%moderate
April Weather10°C (50°F)31 mm (1.2 inches)85%moderate
May Weather12°C (54°F)61 mm (2.4 inches)82%high
June Weather16°C (61°F)67 mm (2.6 inches)81%very high
July Weather18°C (64°F)49 mm (1.9 inches)76%very high
August Weather18°C (65°F)74 mm (2.9 inches)73%high
September Weather16°C (61°F)67 mm (2.7 inches)80%moderate
October Weather13°C (57°F)123 mm (4.8 inches)89%moderate
November Weather10°C (49°F)104 mm (4.1 inches)92%low
December Weather8°C (46°F)143 mm (5.6 inches)92%low

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