nomadseason

December Weather in Lons-le-Saunier, France

Last updated: August 23, 2025

In December, the average temperature in Lons-le-Saunier, France hovers around 5°C (42°F), with fluctuations ranging from a chilly -4°C (25°F) to a mild 17°C (62°F). Expect wet conditions as precipitation totals 175 mm (6.9 in), spread over approximately 19 days. Humidity levels are notably high, averaging around 91%, adding to the chilly ambiance of the season.

December Temperature in Lons-le-Saunier

In December in Lons-le-Saunier, the average temperature is 5°C (42°F). Maximums can reach 17°C (62°F), while minimums can drop as low as -4°C (25°F). Travelers should be prepared for a chilly climate, with warm clothing for cooler days and layers for any warmer spells.

December Weather in Lons-le-Saunier: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Lons-le-Saunier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lons-le-Saunier, December typically has an average temperature of 5°C (42°F), with highs reaching up to 17°C (62°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec384347535968727164554541
Data source: Temperature data for Lons-le-Saunier generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Lons-le-Saunier

In Lons-le-Saunier in December, the precipitation amount is 175 mm (6.9 in) spread over 19 days.

December Precipitation Trends in Lons-le-Saunier

The chart displays monthly precipitation patterns in Lons-le-Saunier, 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 Lons-le-Saunier, December typically receives around 175 mm (6.9 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec112891155512485645262100101175
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Lons-le-Saunier

In Lons-le-Saunier in December humidity is 91%. With an average temperature of 5°C (42°F), this humidity feels like an uncomfortable chill that seeps into your bones, making it challenging to enjoy outdoor activities and travel comfortably.

December Average Humidity in Lons-le-Saunier

This chart illustrates the average monthly humidity levels in Lons-le-Saunier, 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 Lons-le-Saunier is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lons-le-Saunier

In Lons-le-Saunier 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 Lons-le-Saunier, you can visit Hourly UV Index in Lons-le-Saunier.

Maximum UV Index Levels in Lons-le-Saunier for December

The chart shows the monthly maximum UV Index (UVI) for Lons-le-Saunier 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 Lons-le-Saunier typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Lons-le-Saunier 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 Lons-le-Saunier Compares to Other Months

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

This table compares monthly weather conditions in Lons-le-Saunier, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)112 mm (4.4 inches)91%low
February Weather6°C (43°F)89 mm (3.5 inches)89%moderate
March Weather8°C (47°F)115 mm (4.5 inches)87%moderate
April Weather12°C (53°F)54 mm (2.1 inches)84%high
May Weather15°C (60°F)124 mm (4.9 inches)80%very high
June Weather20°C (68°F)85 mm (3.3 inches)82%very high
July Weather22°C (72°F)64 mm (2.5 inches)82%very high
August Weather22°C (71°F)52 mm (2.0 inches)77%very high
September Weather18°C (64°F)62 mm (2.4 inches)81%high
October Weather13°C (55°F)100 mm (3.9 inches)89%moderate
November Weather7°C (45°F)101 mm (4.0 inches)89%low
December Weather5°C (42°F)175 mm (6.9 inches)91%low

Compare Lons-le-Saunier's Climate with Cities Worldwide