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August Weather in Portieux, France

Last updated: August 23, 2025

In August, the average temperature in Portieux, France hovers around 20°C (68°F). Expect a minimum temperature of 6°C (44°F) and a maximum that can soar to 37°C (99°F). During this month, the region experiences an average precipitation of 59 mm (2.3 in) over 11 days, accompanied by an average humidity level of 80%.

August Temperature in Portieux

In August in Portieux, the average temperature is 20°C (68°F). The maximum can reach 37°C (99°F) and the minimum can be as low as 6°C (44°F). Be prepared for warm days and cool nights when traveling to Portieux during this time.

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

The chart illustrates August temperature patterns in Portieux, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portieux, August typically has an average temperature of 20°C (68°F), with highs reaching up to 37°C (99°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec364144505766696860524339
Data source: Temperature data for Portieux 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 Portieux

In Portieux in August, the precipitation amount is 59 mm (2.3 in) over the course of 11 days.

August Precipitation Trends in Portieux

The chart displays monthly precipitation patterns in Portieux, 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 Portieux, August typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9785924593766359547481134
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Portieux

In Portieux in August, humidity is 80%. With an average temperature of 20°C (68°F), this humidity feels like traveling through a warm, dense blanket that clings to your skin, making you feel both sticky and lethargic as you explore the sights.

August Average Humidity in Portieux

This chart illustrates the average monthly humidity levels in Portieux, 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 Portieux is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Portieux

In Portieux 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 Portieux.

Maximum UV Index Levels in Portieux for August

The chart shows the monthly maximum UV Index (UVI) for Portieux 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 Portieux typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Portieux 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 Portieux Compares to Other Months

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

This table compares monthly weather conditions in Portieux, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)97 mm (3.8 inches)91%low
February Weather5°C (41°F)85 mm (3.4 inches)90%moderate
March Weather7°C (44°F)92 mm (3.6 inches)88%moderate
April Weather10°C (51°F)45 mm (1.8 inches)84%high
May Weather14°C (57°F)93 mm (3.7 inches)81%very high
June Weather19°C (66°F)76 mm (3.0 inches)82%very high
July Weather20°C (69°F)63 mm (2.5 inches)82%very high
August Weather20°C (68°F)59 mm (2.3 inches)80%very high
September Weather16°C (61°F)54 mm (2.1 inches)83%high
October Weather11°C (53°F)74 mm (2.9 inches)89%moderate
November Weather6°C (43°F)81 mm (3.2 inches)91%low
December Weather4°C (40°F)134 mm (5.3 inches)93%low

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