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December Weather in Mainsat, France

Last updated: August 23, 2025

In December, the average temperature in Mainsat, France hovers around 4°C (40°F). While the mercury can dip to a chilly -5°C (24°F), it can also reach a pleasant 16°C (61°F). Expect 116 mm (4.6 in) of precipitation spread across 19 days, and be prepared for a high average humidity of 92%.

December Temperature in Mainsat

In December in Mainsat, the average temperature is 4°C (40°F). Maximums can reach 16°C (61°F), while minimums can drop as low as -5°C (24°F). Be sure to pack layers and prepare for variable weather conditions while exploring this destination.

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

The chart illustrates December temperature patterns in Mainsat, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mainsat, 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 -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec374144495563666660524340
Data source: Temperature data for Mainsat 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 Mainsat

In Mainsat in December, precipitation amounts to 116 mm (4.6 in) over the course of 19 days.

December Precipitation Trends in Mainsat

The chart displays monthly precipitation patterns in Mainsat, 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 Mainsat, December typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec766680631071047353667279116
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mainsat

In Mainsat in December, humidity is 92%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor travel uncomfortable and necessitating extra layers to stay warm while navigating the misty streets.

December Average Humidity in Mainsat

This chart illustrates the average monthly humidity levels in Mainsat, 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 Mainsat is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%85%84%84%82%79%75%79%86%90%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mainsat

In Mainsat 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 Mainsat, you can visit Hourly UV Index in Mainsat.

Maximum UV Index Levels in Mainsat for December

The chart shows the monthly maximum UV Index (UVI) for Mainsat 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 Mainsat typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23678101097532
Data source: Mainsat 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 Mainsat Compares to Other Months

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

This table compares monthly weather conditions in Mainsat, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)76 mm (3.0 inches)90%low
February Weather5°C (42°F)66 mm (2.6 inches)87%moderate
March Weather7°C (44°F)80 mm (3.1 inches)85%high
April Weather9°C (49°F)63 mm (2.5 inches)84%high
May Weather13°C (55°F)107 mm (4.2 inches)84%very high
June Weather17°C (63°F)104 mm (4.1 inches)82%very high
July Weather19°C (67°F)73 mm (2.9 inches)79%very high
August Weather19°C (66°F)53 mm (2.1 inches)75%very high
September Weather15°C (60°F)65 mm (2.6 inches)79%high
October Weather11°C (52°F)72 mm (2.8 inches)86%moderate
November Weather6°C (44°F)79 mm (3.1 inches)90%moderate
December Weather4°C (40°F)116 mm (4.6 inches)92%low

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