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August Weather in Les Islettes, France

Last updated: August 23, 2025

In August, the average temperature in Les Islettes, France hovers around 20°C (68°F), with fluctuations ranging from a cool 6°C (42°F) to a scorching 38°C (100°F). Expect about 64 mm (2.5 in) of precipitation spread over 11 days, contributing to an average humidity level of 76%. Embrace the warmth but be prepared for occasional rain!

August Temperature in Les Islettes

In August in Les Islettes, the average temperature is 20°C (68°F). Maximum temperatures can reach up to 38°C (100°F), while minimums can drop as low as 6°C (42°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack both light clothing and warmer layers.

August Weather in Les Islettes: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Les Islettes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Les Islettes, August typically has an average temperature of 20°C (68°F), with highs reaching up to 38°C (100°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec374145515766686861544441
Data source: Temperature data for Les Islettes 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 Les Islettes

In Les Islettes in August, the total precipitation amount is 64 mm (2.5 in) spread over 11 days.

August Precipitation Trends in Les Islettes

The chart displays monthly precipitation patterns in Les Islettes, 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 Les Islettes, August typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9887953780676564708780151
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Les Islettes

In Les Islettes in August, humidity is 76%. With an average temperature of 20°C (68°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration both exhilarating and slightly stifling, ideal for leisurely strolls but necessitating frequent breaks to hydrate and cool off.

August Average Humidity in Les Islettes

This chart illustrates the average monthly humidity levels in Les Islettes, 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 Les Islettes is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%84%83%83%80%76%81%88%92%93%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Les Islettes

In Les Islettes 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 Les Islettes.

Maximum UV Index Levels in Les Islettes for August

The chart shows the monthly maximum UV Index (UVI) for Les Islettes 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 Les Islettes typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234688886421
Data source: Les Islettes 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 Les Islettes Compares to Other Months

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

This table compares monthly weather conditions in Les Islettes, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)98 mm (3.9 inches)91%low
February Weather5°C (42°F)87 mm (3.4 inches)89%moderate
March Weather7°C (45°F)95 mm (3.7 inches)86%moderate
April Weather11°C (51°F)37 mm (1.5 inches)84%high
May Weather14°C (57°F)80 mm (3.1 inches)82%very high
June Weather19°C (66°F)67 mm (2.6 inches)82%very high
July Weather20°C (69°F)65 mm (2.6 inches)80%very high
August Weather20°C (68°F)64 mm (2.5 inches)76%very high
September Weather16°C (61°F)70 mm (2.8 inches)81%high
October Weather12°C (54°F)87 mm (3.4 inches)88%moderate
November Weather7°C (44°F)80 mm (3.1 inches)92%low
December Weather5°C (41°F)151 mm (5.9 inches)93%low

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