nomadseason

August Weather in Bonnelles, France

Last updated: August 23, 2025

In August, the average temperature in Bonnelles, France hovers around 20°C (68°F). However, you can experience a range from a chilly 6°C (44°F) to a sweltering 37°C (98°F). With an average humidity of 68% and approximately 57 mm (2.3 in) of precipitation spread over 9 days, be prepared for a mix of weather conditions!

August Temperature in Bonnelles

In August in Bonnelles, the average temperature is 20°C (68°F). Maximums can reach 37°C (98°F), and minimums can be as low as 6°C (44°F). This makes Bonnelles a great destination for travelers seeking mild weather with the possibility of warm days and cooler nights.

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

The chart illustrates August temperature patterns in Bonnelles, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bonnelles, August typically has an average temperature of 20°C (68°F), with highs reaching up to 37°C (98°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec404346525765696862554643
Data source: Temperature data for Bonnelles generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Bonnelles

In Bonnelles in August, the precipitation amount is 57 mm (2.3 in) over the course of 9 days.

August Precipitation Trends in Bonnelles

The chart displays monthly precipitation patterns in Bonnelles, 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 Bonnelles, August typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec536270317374435746736594
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Bonnelles

In Bonnelles 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 Bonnelles

This chart illustrates the average monthly humidity levels in Bonnelles, 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 Bonnelles 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 Bonnelles

In Bonnelles 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 Bonnelles.

Maximum UV Index Levels in Bonnelles for August

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

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

This table compares monthly weather conditions in Bonnelles, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)53 mm (2.1 inches)91%low
February Weather6°C (43°F)62 mm (2.4 inches)89%moderate
March Weather8°C (47°F)70 mm (2.8 inches)85%moderate
April Weather11°C (52°F)31 mm (1.2 inches)84%high
May Weather14°C (58°F)73 mm (2.9 inches)82%very high
June Weather18°C (66°F)74 mm (2.9 inches)80%very high
July Weather20°C (69°F)43 mm (1.7 inches)73%very high
August Weather20°C (68°F)57 mm (2.3 inches)68%very high
September Weather17°C (62°F)46 mm (1.8 inches)76%high
October Weather13°C (55°F)73 mm (2.9 inches)88%moderate
November Weather8°C (46°F)65 mm (2.5 inches)92%low
December Weather6°C (43°F)94 mm (3.7 inches)93%low

Compare Bonnelles's Climate with Cities Worldwide