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December Weather in Seillans, France

Last updated: August 23, 2025

In December, the average temperature in Seillans, France hovers around 4°C (40°F). Expect a chillier minimum of -7°C (20°F) and a milder maximum of 16°C (61°F). During this month, 117 mm (4.6 in) of precipitation is likely, spread over about 9 days, contributing to an average humidity of 79%.

December Temperature in Seillans

In December in Seillans, the average temperature is 4°C (40°F). Maximums can reach 16°C (61°F), while minimums can dip as low as -7°C (20°F). Travelers should be prepared for chilly weather, with the possibility of warmer days and cold nights.

December Weather in Seillans: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Seillans, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seillans, December typically has an average temperature of 4°C (40°F), with highs reaching up to 16°C (61°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec394245505765696962554540
Data source: Temperature data for Seillans 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 Seillans

In Seillans in December, the total precipitation amount is 117 mm (4.6 in) spread over a period of 9 days.

December Precipitation Trends in Seillans

The chart displays monthly precipitation patterns in Seillans, 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 Seillans, December typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec526897126128124735492151154117
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Seillans

In Seillans in December, humidity is 79%. With an average temperature of 4°C (40°F), this humidity feels like a chilly dampness that wraps around you, making outdoor activities uncomfortable and leaving you longing for warmth as your breath hangs in the air.

December Average Humidity in Seillans

This chart illustrates the average monthly humidity levels in Seillans, 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 Seillans is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%75%74%72%69%66%71%78%82%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Seillans

In Seillans in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Seillans, you can visit Hourly UV Index in Seillans.

Maximum UV Index Levels in Seillans for December

The chart shows the monthly maximum UV Index (UVI) for Seillans 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 Seillans typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467910997532
Data source: Seillans 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 Seillans Compares to Other Months

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

This table compares monthly weather conditions in Seillans, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)52 mm (2.0 inches)80%low
February Weather6°C (42°F)68 mm (2.7 inches)73%moderate
March Weather7°C (45°F)97 mm (3.8 inches)71%high
April Weather10°C (50°F)126 mm (5.0 inches)75%high
May Weather14°C (57°F)128 mm (5.1 inches)74%very high
June Weather18°C (65°F)124 mm (4.9 inches)72%very high
July Weather21°C (69°F)73 mm (2.9 inches)69%very high
August Weather21°C (70°F)54 mm (2.1 inches)66%very high
September Weather17°C (62°F)91 mm (3.6 inches)71%high
October Weather13°C (55°F)151 mm (6.0 inches)78%moderate
November Weather7°C (46°F)154 mm (6.0 inches)82%moderate
December Weather4°C (40°F)117 mm (4.6 inches)79%low

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