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December Weather in Cesson, France

Last updated: August 23, 2025

In December, the average temperature in Cesson, France hovers around 6°C (43°F). Expect a chill in the air, with minimum temperatures dipping as low as -4°C (26°F) and a mild maximum reaching 15°C (60°F). Precipitation is frequent, with about 102 mm (4.0 in) falling over 17 days, and you'll want to brace for the dampness, as the average humidity is a high 93%.

December Temperature in Cesson

In December in Cesson, the average temperature is 6°C (43°F). The maximum can reach 15°C (60°F), and the minimum can be as low as -4°C (26°F). This range makes it a great time for travelers to enjoy outdoor activities while being prepared for some chilly moments.

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

The chart illustrates December temperature patterns in Cesson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cesson, December typically has an average temperature of 6°C (43°F), with highs reaching up to 15°C (60°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec404347525866706863554643
Data source: Temperature data for Cesson 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 Cesson

In Cesson in December, the precipitation amount is 102 mm (4.0 in) spread over 17 days.

December Precipitation Trends in Cesson

The chart displays monthly precipitation patterns in Cesson, 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 Cesson, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec5966723074664652547965102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cesson

In Cesson in December, humidity is 93%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making travel particularly uncomfortable and the air feel heavy, as though every step is met with resistance.

December Average Humidity in Cesson

This chart illustrates the average monthly humidity levels in Cesson, 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 Cesson is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cesson

In Cesson 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 Cesson.

Maximum UV Index Levels in Cesson for December

The chart shows the monthly maximum UV Index (UVI) for Cesson 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 Cesson typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Cesson 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 Cesson Compares to Other Months

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

This table compares monthly weather conditions in Cesson, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)59 mm (2.3 inches)91%low
February Weather6°C (43°F)66 mm (2.6 inches)89%moderate
March Weather8°C (47°F)72 mm (2.8 inches)85%moderate
April Weather11°C (52°F)30 mm (1.2 inches)84%high
May Weather15°C (58°F)74 mm (2.9 inches)82%very high
June Weather19°C (66°F)66 mm (2.6 inches)80%very high
July Weather21°C (70°F)46 mm (1.8 inches)73%very high
August Weather20°C (69°F)52 mm (2.0 inches)68%very high
September Weather17°C (63°F)54 mm (2.1 inches)76%high
October Weather13°C (55°F)79 mm (3.1 inches)88%moderate
November Weather8°C (46°F)65 mm (2.5 inches)92%low
December Weather6°C (43°F)102 mm (4.0 inches)93%low

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