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December Weather in Les Islettes, France

Last updated: August 23, 2025

In December, the average temperature in Les Islettes, France hovers around 5°C (41°F). You may experience chilly lows of -5°C (24°F) and pleasant highs reaching up to 16°C (61°F). Be prepared for somewhat damp conditions, as precipitation averages 151 mm (5.9 in) over 19 days, while humidity remains relatively high at 93%.

December Temperature in Les Islettes

In December in Les Islettes, the average temperature is 5°C (41°F). The maximum can reach 16°C (61°F), and the minimum can be as low as -5°C (24°F). This weather makes it essential for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates December 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, December typically has an average temperature of 5°C (41°F), with highs reaching up to 16°C (61°F) and lows dropping to around -5°C (24°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.

December Precipitation in Les Islettes

In Les Islettes in December, the total precipitation amounts to 151 mm (5.9 in), occurring over a span of 19 days.

December Precipitation Trends in Les Islettes

The chart displays monthly precipitation patterns in Les Islettes, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Les Islettes, December typically receives around 151 mm (5.9 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec9887953780676564708780151
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Les Islettes

In Les Islettes in December, humidity is 93%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your skin, making outdoor adventures feel more uncomfortable and reminding you to bundle up to stay warm while exploring the sights.

December Average Humidity in Les Islettes

This chart illustrates the average monthly humidity levels in Les Islettes, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Les Islettes is approximately 93%, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Les Islettes

In Les Islettes in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Les Islettes.

Maximum UV Index Levels in Les Islettes for December

The chart shows the monthly maximum UV Index (UVI) for Les Islettes in December, 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 December, the maximum UV index in Les Islettes typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234688886421
Data source: Les Islettes December 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 December 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 December’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 December’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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