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August Weather in Portbail, France

Last updated: August 23, 2025

In August, the average temperature in Portbail, France hovers around 18°C (65°F), making it a comfortable time to explore. With minimum temperatures dipping to 13°C (56°F) and highs reaching a warm 29°C (85°F), the weather offers a pleasant variety. However, be prepared for some rain, as 72 mm (2.8 in) of precipitation is expected over 14 days, coupled with an average humidity of 73%.

August Temperature in Portbail

In August in Portbail, the average temperature is 18°C (65°F), with maximums reaching up to 29°C (85°F) and minimums dipping to as low as 13°C (56°F). This moderate climate makes it an ideal time for traveling, perfect for outdoor activities and exploring the local attractions.

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

The chart illustrates August 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, August typically has an average temperature of 18°C (65°F), with highs reaching up to 29°C (85°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec464648515561646462575148
Data source: Temperature data for Portbail 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 Portbail

In Portbail in August, the total precipitation amount is 72 mm (2.8 in) spread over the course of 14 days.

August Precipitation Trends in Portbail

The chart displays monthly precipitation patterns in Portbail, 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 Portbail, August typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec838080377179547272131102153
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Portbail

In Portbail 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 Portbail

This chart illustrates the average monthly humidity levels in Portbail, 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 Portbail is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%86%85%80%80%69%73%79%89%92%92%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Portbail

In Portbail in August, 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 Portbail.

Maximum UV Index Levels in Portbail for August

The chart shows the monthly maximum UV Index (UVI) for Portbail 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 Portbail typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679886421
Data source: Portbail 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 Portbail Compares to Other Months

Weather in Portbail varies notably across the year, with each month offering distinct climate conditions. This page compares August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)83 mm (3.3 inches)90%low
February Weather8°C (46°F)80 mm (3.1 inches)89%moderate
March Weather9°C (48°F)80 mm (3.1 inches)86%moderate
April Weather11°C (51°F)37 mm (1.5 inches)84%high
May Weather13°C (56°F)71 mm (2.8 inches)80%high
June Weather16°C (61°F)79 mm (3.1 inches)80%very high
July Weather18°C (65°F)54 mm (2.1 inches)69%very high
August Weather18°C (65°F)72 mm (2.8 inches)73%very high
September Weather17°C (62°F)72 mm (2.8 inches)79%high
October Weather14°C (58°F)131 mm (5.2 inches)89%moderate
November Weather11°C (52°F)102 mm (4.0 inches)92%low
December Weather9°C (48°F)153 mm (6.0 inches)92%low

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