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August Weather in Le Portel, France

Last updated: August 23, 2025

In August, the average temperature in Le Portel, France is a pleasant 18°C (65°F). Expect a minimum of 11°C (53°F) and a maximum of 31°C (89°F), offering a nice range for outdoor activities. However, be prepared for some rain, as the region sees around 74 mm (2.9 in) of precipitation over 13 days. The air maintains an average humidity of 73%, adding to the region's unique charm.

August Temperature in Le Portel

In August in Le Portel, the average temperature is 18°C (65°F). The maximum can reach 31°C (89°F) and the minimum can be as low as 11°C (53°F). This makes Le Portel an ideal destination for travelers seeking mild weather with a mix of warm and cool days.

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

The chart illustrates August 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, August typically has an average temperature of 18°C (65°F), with highs reaching up to 31°C (89°F) and lows dropping to around 11°C (53°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.

August Precipitation in Le Portel

In Le Portel in August, the precipitation amount is 74 mm (2.9 in) over the course of 13 days.

August Precipitation Trends in Le Portel

The chart displays monthly precipitation patterns in Le Portel, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Le Portel, August typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec817473316167497467123104143
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Le Portel

In Le Portel in August, humidity is 73%. With an average temperature of 18°C (65°F), this humidity feels like a warm, slightly muggy embrace that can make exploring the outdoors a bit sticky, yet still pleasant for leisurely strolls and sightseeing.

August Average Humidity in Le Portel

This chart illustrates the average monthly humidity levels in Le Portel, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Le Portel is approximately 73%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Le Portel

In Le Portel in August, 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 August

The chart shows the monthly maximum UV Index (UVI) for Le Portel in August, 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 August, the maximum UV index in Le Portel typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224578875421
Data source: Le Portel August 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 August 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 August’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 August’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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