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December Weather in Sommerviller, France

Last updated: August 23, 2025

In Sommerviller, France, the average temperature in December hovers around 4°C (40°F). Expect a range where the minimum dips to -5°C (23°F) and the maximum reaches 14°C (58°F). This month brings a fair amount of precipitation, totaling 120 mm (4.7 in) over approximately 19 days, leading to an average humidity of 93%. Prepare for a chilly and damp experience!

December Temperature in Sommerviller

In December in Sommerviller, the average temperature is 4°C (40°F). Maximums can reach 14°C (58°F) and minimums can be as low as -5°C (23°F). Travelers should prepare for chilly weather and dress in layers to stay comfortable during outdoor activities.

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

The chart illustrates December temperature patterns in Sommerviller, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sommerviller, December typically has an average temperature of 4°C (40°F), with highs reaching up to 14°C (58°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec374145515767706961534340
Data source: Temperature data for Sommerviller 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 Sommerviller

In Sommerviller in December, the precipitation amount is 120 mm (4.7 in) over the course of 19 days.

December Precipitation Trends in Sommerviller

The chart displays monthly precipitation patterns in Sommerviller, 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 Sommerviller, December typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec8579824376706146606675120
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sommerviller

In Sommerviller in December, humidity is 93%. With an average temperature of 4°C (40°F), this humidity feels like a cold, damp blanket wrapping around you, making travel uncomfortable and requiring extra layers to stay warm, as every step can feel heavy in the thick, moisture-laden air.

December Average Humidity in Sommerviller

This chart illustrates the average monthly humidity levels in Sommerviller, 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 Sommerviller is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sommerviller

In Sommerviller in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Sommerviller.

Maximum UV Index Levels in Sommerviller for December

The chart shows the monthly maximum UV Index (UVI) for Sommerviller 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 Sommerviller typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Sommerviller 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 Sommerviller Compares to Other Months

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

This table compares monthly weather conditions in Sommerviller, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)85 mm (3.3 inches)91%low
February Weather5°C (41°F)79 mm (3.1 inches)90%moderate
March Weather7°C (45°F)81 mm (3.2 inches)88%moderate
April Weather10°C (51°F)43 mm (1.7 inches)84%high
May Weather14°C (58°F)76 mm (3.0 inches)81%very high
June Weather20°C (67°F)70 mm (2.8 inches)82%very high
July Weather21°C (70°F)61 mm (2.4 inches)82%very high
August Weather21°C (69°F)46 mm (1.8 inches)80%very high
September Weather16°C (62°F)59 mm (2.3 inches)83%high
October Weather12°C (53°F)66 mm (2.6 inches)89%moderate
November Weather6°C (44°F)75 mm (2.9 inches)91%low
December Weather4°C (40°F)120 mm (4.7 inches)93%low

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