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December Weather in Saint-Jean-le-Vieux, France

Last updated: August 23, 2025

In December, the average temperature in Saint-Jean-le-Vieux, France hovers around 8°C (47°F). Expect a brisk minimum of -3°C (27°F) and a comfortable maximum of 20°C (68°F). With 187 mm (7.4 in) of precipitation over 16 days, it's wise to pack an umbrella. The air can feel quite humid, with an average humidity of 87%!

December Temperature in Saint-Jean-le-Vieux

In December in Saint-Jean-le-Vieux, the average temperature is 8°C (47°F), with maximums reaching 20°C (68°F) and minimums dropping as low as -3°C (27°F). This range suggests that travelers should be prepared for both mild and chilly weather during their visit.

December Weather in Saint-Jean-le-Vieux: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saint-Jean-le-Vieux, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Jean-le-Vieux, December typically has an average temperature of 8°C (47°F), with highs reaching up to 20°C (68°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec434850535964686864574947
Data source: Temperature data for Saint-Jean-le-Vieux 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-Jean-le-Vieux

In Saint-Jean-le-Vieux in December, the precipitation amount is 187 mm (7.4 in) over the course of 16 days.

December Precipitation Trends in Saint-Jean-le-Vieux

The chart displays monthly precipitation patterns in Saint-Jean-le-Vieux, 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-Jean-le-Vieux, December typically receives around 187 mm (7.4 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec1221091141151341321079395109153187
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saint-Jean-le-Vieux

In Saint-Jean-le-Vieux in December, humidity is 87%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortably muggy despite the cool air.

December Average Humidity in Saint-Jean-le-Vieux

This chart illustrates the average monthly humidity levels in Saint-Jean-le-Vieux, 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-Jean-le-Vieux is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%83%81%80%81%80%76%75%81%85%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Saint-Jean-le-Vieux

In Saint-Jean-le-Vieux 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-Jean-le-Vieux, you can visit Hourly UV Index in Saint-Jean-le-Vieux.

Maximum UV Index Levels in Saint-Jean-le-Vieux for December

The chart shows the monthly maximum UV Index (UVI) for Saint-Jean-le-Vieux 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-Jean-le-Vieux typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24579101097532
Data source: Saint-Jean-le-Vieux 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-Jean-le-Vieux Compares to Other Months

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

This table compares monthly weather conditions in Saint-Jean-le-Vieux, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)122 mm (4.8 inches)86%low
February Weather9°C (48°F)109 mm (4.3 inches)85%moderate
March Weather10°C (50°F)114 mm (4.5 inches)82%moderate
April Weather12°C (54°F)115 mm (4.5 inches)81%high
May Weather15°C (59°F)134 mm (5.3 inches)80%very high
June Weather18°C (65°F)132 mm (5.2 inches)81%very high
July Weather20°C (68°F)107 mm (4.2 inches)80%very high
August Weather20°C (68°F)93 mm (3.7 inches)76%very high
September Weather18°C (64°F)95 mm (3.7 inches)75%high
October Weather14°C (58°F)108 mm (4.3 inches)81%moderate
November Weather10°C (49°F)153 mm (6.0 inches)85%moderate
December Weather8°C (47°F)187 mm (7.4 inches)87%low

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