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December Weather in Saint-Donan, France

Last updated: August 23, 2025

In December, the average temperature in Saint-Donan, France hovers around 8°C (46°F), offering a brisk climate. Expect a range from a chilly -2°C (28°F) to a comfortable 14°C (58°F). This month also brings about 100 mm (3.9 in) of precipitation, typically spread over 17 days, contributing to an average humidity level of 90%. Be prepared for a wet and cool experience!

December Temperature in Saint-Donan

In December in Saint-Donan, the average temperature is 8°C (46°F), with maximums reaching 14°C (58°F) and minimums dropping as low as -2°C (28°F). Travelers should prepare for a range of temperatures and dress in layers to stay comfortable during their visit.

December Weather in Saint-Donan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saint-Donan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Donan, December typically has an average temperature of 8°C (46°F), with highs reaching up to 14°C (58°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec434547505560636360554846
Data source: Temperature data for Saint-Donan 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 Saint-Donan

In Saint-Donan in December, the precipitation amount is 100 mm (3.9 in) over the course of 17 days.

December Precipitation Trends in Saint-Donan

The chart displays monthly precipitation patterns in Saint-Donan, 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 Saint-Donan, December typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec526962477410750474610268100
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saint-Donan

In Saint-Donan in December, humidity is 90%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers and stay dry while exploring the sights.

December Average Humidity in Saint-Donan

This chart illustrates the average monthly humidity levels in Saint-Donan, 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 Saint-Donan is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%85%84%81%77%63%71%76%89%90%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Saint-Donan

In Saint-Donan 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 Saint-Donan, you can visit Hourly UV Index in Saint-Donan.

Maximum UV Index Levels in Saint-Donan for December

The chart shows the monthly maximum UV Index (UVI) for Saint-Donan 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 Saint-Donan typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986522
Data source: Saint-Donan 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 Saint-Donan Compares to Other Months

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

This table compares monthly weather conditions in Saint-Donan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)52 mm (2.0 inches)89%low
February Weather7°C (45°F)69 mm (2.7 inches)88%moderate
March Weather8°C (47°F)62 mm (2.5 inches)85%moderate
April Weather10°C (50°F)47 mm (1.8 inches)84%high
May Weather13°C (55°F)74 mm (2.9 inches)81%very high
June Weather16°C (61°F)107 mm (4.2 inches)77%very high
July Weather17°C (64°F)50 mm (2.0 inches)63%very high
August Weather17°C (63°F)46 mm (1.8 inches)71%very high
September Weather15°C (60°F)46 mm (1.8 inches)76%high
October Weather13°C (55°F)102 mm (4.0 inches)89%moderate
November Weather9°C (48°F)68 mm (2.7 inches)90%low
December Weather8°C (46°F)100 mm (3.9 inches)90%low

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