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December Weather in Saint-Hernin, France

Last updated: August 23, 2025

In December, the average temperature in Saint-Hernin, France hovers around 8°C (46°F). You can expect a minimum of -1°C (30°F) and a maximum reaching 14°C (57°F). With precipitation totaling 125 mm (4.9 in) across 16 days, humidity tends to be quite high at 90%, making this month feel even chillier.

December Temperature in Saint-Hernin

In December in Saint-Hernin, the average temperature is 8°C (46°F). Maximums can reach 14°C (57°F), and minimums can drop as low as -1°C (30°F). It's advisable to pack warm layers if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Saint-Hernin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Hernin, December typically has an average temperature of 8°C (46°F), with highs reaching up to 14°C (57°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec434547505561646259544846
Data source: Temperature data for Saint-Hernin 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-Hernin

In Saint-Hernin in December, the precipitation amount is 125 mm (4.9 in) spread over 16 days.

December Precipitation Trends in Saint-Hernin

The chart displays monthly precipitation patterns in Saint-Hernin, 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-Hernin, December typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec67907851789150575210385125
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saint-Hernin

In Saint-Hernin 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-Hernin

This chart illustrates the average monthly humidity levels in Saint-Hernin, 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-Hernin 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-Hernin

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

Maximum UV Index Levels in Saint-Hernin for December

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

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

This table compares monthly weather conditions in Saint-Hernin, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)67 mm (2.6 inches)89%low
February Weather7°C (45°F)90 mm (3.5 inches)88%moderate
March Weather8°C (47°F)78 mm (3.1 inches)85%moderate
April Weather10°C (51°F)51 mm (2.0 inches)84%high
May Weather13°C (55°F)78 mm (3.1 inches)81%very high
June Weather16°C (61°F)91 mm (3.6 inches)77%very high
July Weather18°C (64°F)50 mm (2.0 inches)63%very high
August Weather17°C (62°F)57 mm (2.2 inches)71%very high
September Weather15°C (59°F)52 mm (2.1 inches)76%high
October Weather12°C (54°F)103 mm (4.1 inches)89%moderate
November Weather9°C (48°F)85 mm (3.3 inches)90%low
December Weather8°C (46°F)125 mm (4.9 inches)90%low

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