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December Weather in Chilly, France

Last updated: August 23, 2025

In Chilly, France during December, the average temperature sits at a refreshing 3°C (38°F). However, be prepared for fluctuations, as temperatures can drop to a chilly -7°C (21°F) or soar to a mild 14°C (57°F). Expect 17 days of precipitation, amounting to 237 mm (9.3 in), with an average humidity level of 90%. This makes for a cool and damp month, so pack accordingly!

December Temperature in Chilly

In December in Chilly, the average temperature is 3°C (38°F). The maximum can reach 14°C (57°F), while the minimum can drop as low as -7°C (21°F). This range makes it essential for travelers to pack accordingly and be prepared for both chilly and mild weather conditions.

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

The chart illustrates December temperature patterns in Chilly, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chilly, December typically has an average temperature of 3°C (38°F), with highs reaching up to 14°C (57°F) and lows dropping to around -7°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec354044515765686760524337
Data source: Temperature data for Chilly 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 Chilly

In Chilly in December, the total precipitation amount is 237 mm (9.3 in) spread over a period of 17 days.

December Precipitation Trends in Chilly

The chart displays monthly precipitation patterns in Chilly, 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 Chilly, December typically receives around 237 mm (9.3 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec1281071516718414613512683128117237
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chilly

In Chilly in December humidity is 90%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill wrapping around you, making travel uncomfortable as the cold penetrates your clothing while the heavy moisture lingers in the air.

December Average Humidity in Chilly

This chart illustrates the average monthly humidity levels in Chilly, 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 Chilly is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%84%83%78%75%72%63%73%89%91%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chilly

In Chilly 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 Chilly, you can visit Hourly UV Index in Chilly.

Maximum UV Index Levels in Chilly for December

The chart shows the monthly maximum UV Index (UVI) for Chilly 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 Chilly typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2366810987532
Data source: Chilly 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 Chilly Compares to Other Months

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

This table compares monthly weather conditions in Chilly, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)128 mm (5.0 inches)91%low
February Weather4°C (40°F)107 mm (4.2 inches)87%moderate
March Weather7°C (45°F)151 mm (5.9 inches)84%high
April Weather11°C (51°F)67 mm (2.6 inches)83%high
May Weather14°C (57°F)184 mm (7.2 inches)78%very high
June Weather18°C (65°F)146 mm (5.7 inches)75%very high
July Weather20°C (68°F)135 mm (5.3 inches)72%very high
August Weather20°C (67°F)126 mm (4.9 inches)63%very high
September Weather16°C (61°F)83 mm (3.3 inches)73%high
October Weather11°C (52°F)128 mm (5.1 inches)89%moderate
November Weather6°C (43°F)117 mm (4.6 inches)90%moderate
December Weather3°C (38°F)237 mm (9.3 inches)90%low

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