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July Weather in Le Chesnay, France

Last updated: August 23, 2025

In July, the average temperature in Le Chesnay, France hovers around 20°C (69°F). Expect some variability, as temperatures can dip to a chilly 7°C (46°F) or soar to a sweltering 40°C (104°F). With 50 mm (2.0 in) of precipitation spread over 8 days, don't forget your umbrella! The air will feel quite humid, with an average humidity level of 73%.

July Temperature in Le Chesnay

In July in Le Chesnay, the average temperature is 20°C (69°F). Maximum temperatures can reach as high as 40°C (104°F), while the minimum can drop to as low as 7°C (46°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both light and warm clothing.

July Weather in Le Chesnay: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Le Chesnay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Le Chesnay, July typically has an average temperature of 20°C (69°F), with highs reaching up to 40°C (104°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec404346525765686761544643
Data source: Temperature data for Le Chesnay 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.

July Precipitation in Le Chesnay

In Le Chesnay in July, the total precipitation amount is 50 mm (2.0 in) spread over 8 days.

July Precipitation Trends in Le Chesnay

The chart displays monthly precipitation patterns in Le Chesnay, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Le Chesnay, July typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec5666763781805062507965101
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Le Chesnay

In Le Chesnay in July humidity is 73%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making travel slightly sticky but ultimately comfortable as long as you stay hydrated and take breaks in the shade.

July Average Humidity in Le Chesnay

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

July UV Index in Le Chesnay

In Le Chesnay in July, 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 Le Chesnay.

Maximum UV Index Levels in Le Chesnay for July

The chart shows the monthly maximum UV Index (UVI) for Le Chesnay in July, 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 July, the maximum UV index in Le Chesnay typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689886421
Data source: Le Chesnay July 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 July Weather in Le Chesnay Compares to Other Months

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

This table compares monthly weather conditions in Le Chesnay, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)56 mm (2.2 inches)91%low
February Weather6°C (43°F)66 mm (2.6 inches)89%moderate
March Weather8°C (47°F)76 mm (3.0 inches)85%moderate
April Weather11°C (52°F)37 mm (1.5 inches)84%high
May Weather14°C (58°F)80 mm (3.2 inches)82%very high
June Weather18°C (65°F)80 mm (3.2 inches)80%very high
July Weather20°C (69°F)50 mm (2.0 inches)73%very high
August Weather20°C (67°F)62 mm (2.4 inches)68%very high
September Weather16°C (62°F)50 mm (2.0 inches)76%high
October Weather12°C (55°F)79 mm (3.1 inches)88%moderate
November Weather8°C (46°F)65 mm (2.5 inches)92%low
December Weather6°C (43°F)101 mm (4.0 inches)93%low

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