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August Weather in Longueil, France

Last updated: August 23, 2025

In August, the average temperature in Longueil, France is a pleasant 18°C (65°F). You can expect a temperature range, with minimums dipping to 12°C (54°F) and maximums soaring up to 33°C (91°F). The weather also brings 75 mm (2.9 in) of precipitation over about 14 days, contributing to an average humidity of 68%. Stay prepared and enjoy the diverse climate!

August Temperature in Longueil

In August in Longueil, the average temperature is 18°C (65°F), with maximums reaching 33°C (91°F) and minimums dropping as low as 12°C (54°F). This pleasant climate makes it an ideal time for outdoor activities and sightseeing.

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

The chart illustrates August temperature patterns in Longueil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longueil, August typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (91°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec434447505561646561564946
Data source: Temperature data for Longueil 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 Longueil

In Longueil in August, the total precipitation amount is 75 mm (2.9 in) accumulated over a period of 14 days.

August Precipitation Trends in Longueil

The chart displays monthly precipitation patterns in Longueil, 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 Longueil, August typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec787278337666497569104101139
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Longueil

In Longueil in August, humidity is 68%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket, making travel somewhat sticky and requiring occasional breaks for refreshing hydration.

August Average Humidity in Longueil

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

In Longueil 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 Longueil.

Maximum UV Index Levels in Longueil for August

The chart shows the monthly maximum UV Index (UVI) for Longueil 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 Longueil typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679885421
Data source: Longueil 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 Longueil Compares to Other Months

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

This table compares monthly weather conditions in Longueil, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)77 mm (3.0 inches)91%low
February Weather7°C (45°F)72 mm (2.8 inches)89%moderate
March Weather8°C (47°F)78 mm (3.1 inches)85%moderate
April Weather10°C (50°F)33 mm (1.3 inches)84%high
May Weather13°C (55°F)76 mm (3.0 inches)82%high
June Weather16°C (61°F)66 mm (2.6 inches)80%very high
July Weather18°C (65°F)49 mm (1.9 inches)73%very high
August Weather18°C (65°F)75 mm (2.9 inches)68%very high
September Weather16°C (62°F)69 mm (2.7 inches)76%moderate
October Weather14°C (57°F)104 mm (4.1 inches)88%moderate
November Weather9°C (49°F)101 mm (4.0 inches)92%low
December Weather8°C (46°F)139 mm (5.5 inches)93%low

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