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August Weather in Herblay, France

Last updated: August 23, 2025

In Herblay, France, the average temperature in August hovers around 20°C (68°F). However, you can expect a range from a cool 7°C (44°F) to a scorching 37°C (99°F). During this month, precipitation averages around 58 mm (2.3 in), falling across 9 days, and the air tends to be quite moist with an average humidity of 68%.

August Temperature in Herblay

In August in Herblay, the average temperature is 20°C (68°F). Maximum temperatures can reach 37°C (99°F), while minimums can drop as low as 7°C (44°F). Travelers should be prepared for a range of temperatures, ensuring they pack both light clothing for warm days and layers for cooler evenings.

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

The chart illustrates August temperature patterns in Herblay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Herblay, 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 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec404346525765686762554643
Data source: Temperature data for Herblay 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 Herblay

In Herblay in August, the precipitation amount is 58 mm (2.3 in) spread over 9 days.

August Precipitation Trends in Herblay

The chart displays monthly precipitation patterns in Herblay, 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 Herblay, August typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec5669753470744959407866102
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Herblay

In Herblay in August humidity is 68%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls while also prompting travelers to stay hydrated and seek out refreshing breaks from the heat.

August Average Humidity in Herblay

This chart illustrates the average monthly humidity levels in Herblay, 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 Herblay is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Herblay

In Herblay 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 Herblay.

Maximum UV Index Levels in Herblay for August

The chart shows the monthly maximum UV Index (UVI) for Herblay 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 Herblay typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Herblay 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 Herblay Compares to Other Months

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

This table compares monthly weather conditions in Herblay, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)56 mm (2.2 inches)91%low
February Weather6°C (43°F)69 mm (2.7 inches)89%moderate
March Weather8°C (47°F)75 mm (3.0 inches)85%moderate
April Weather11°C (52°F)34 mm (1.3 inches)84%high
May Weather14°C (58°F)70 mm (2.7 inches)82%very high
June Weather19°C (66°F)74 mm (2.9 inches)80%very high
July Weather20°C (69°F)49 mm (1.9 inches)73%very high
August Weather20°C (68°F)58 mm (2.3 inches)68%very high
September Weather16°C (62°F)40 mm (1.6 inches)76%high
October Weather13°C (55°F)78 mm (3.1 inches)88%moderate
November Weather8°C (46°F)66 mm (2.6 inches)92%low
December Weather6°C (43°F)102 mm (4.0 inches)93%low

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