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May Weather in Les Islettes, France

Last updated: August 23, 2025

In May in Les Islettes, France, the average temperature hovers around 14°C (57°F). Expect temperature extremes with a minimum of 1°C (33°F) and a possible maximum of 32°C (90°F). During this month, anticipate a precipitation of about 80 mm (3.1 in) over 12 days, accompanied by a high humidity level of 82%.

May Temperature in Les Islettes

In May in Les Islettes, the average temperature is 14°C (57°F). Maximums can reach 32°C (90°F), and minimums can be as low as 1°C (33°F). Be sure to pack for a range of temperatures to fully enjoy your visit!

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

The chart illustrates May 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, May typically has an average temperature of 14°C (57°F), with highs reaching up to 32°C (90°F) and lows dropping to around 1°C (33°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.

May Precipitation in Les Islettes

In Les Islettes in May, the total precipitation amount is 80 mm (3.1 in) spread over 12 days.

May Precipitation Trends in Les Islettes

The chart displays monthly precipitation patterns in Les Islettes, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Les Islettes, May typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec9887953780676564708780151
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Les Islettes

In Les Islettes in May, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

May Average Humidity in Les Islettes

This chart illustrates the average monthly humidity levels in Les Islettes, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Les Islettes is approximately 82%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Les Islettes

In Les Islettes in May, 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 May

The chart shows the monthly maximum UV Index (UVI) for Les Islettes in May, 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 May, the maximum UV index in Les Islettes typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234688886421
Data source: Les Islettes May 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 May 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 May’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 May’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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