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December Weather in Marly, France

Last updated: August 23, 2025

In Marly, France, the average temperature for December hovers around 6°C (42°F). You might experience a chilly minimum of -4°C (25°F) and a milder maximum of 15°C (59°F). Prepare for some wet weather, as 102 mm (4.0 in) of precipitation is expected over 17 days, complemented by an average humidity level of 92%.

December Temperature in Marly

In December in Marly, the average temperature is 6°C (42°F). The maximum can reach 15°C (59°F), while the minimum can drop as low as -4°C (25°F). Be prepared for a varied climate if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Marly, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marly, December typically has an average temperature of 6°C (42°F), with highs reaching up to 15°C (59°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec394245505664666660544542
Data source: Temperature data for Marly 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 Marly

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

December Precipitation Trends in Marly

The chart displays monthly precipitation patterns in Marly, 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 Marly, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec6471733862635578518264102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Marly

In Marly in December humidity is 92%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that clings to your skin, making outdoor adventures feel more challenging and less inviting as the frigid air, combined with the heavy moisture, weighs down your spirits and leaves you yearning for warmth.

December Average Humidity in Marly

This chart illustrates the average monthly humidity levels in Marly, 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 Marly is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Marly

In Marly 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 Marly.

Maximum UV Index Levels in Marly for December

The chart shows the monthly maximum UV Index (UVI) for Marly 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 Marly typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224578875421
Data source: Marly 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 Marly Compares to Other Months

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

This table compares monthly weather conditions in Marly, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)64 mm (2.5 inches)91%low
February Weather6°C (42°F)71 mm (2.8 inches)89%low
March Weather7°C (46°F)73 mm (2.9 inches)87%moderate
April Weather10°C (50°F)38 mm (1.5 inches)85%moderate
May Weather13°C (56°F)62 mm (2.4 inches)82%high
June Weather18°C (64°F)63 mm (2.5 inches)82%very high
July Weather19°C (66°F)55 mm (2.2 inches)80%very high
August Weather19°C (66°F)78 mm (3.1 inches)76%high
September Weather16°C (60°F)51 mm (2.0 inches)82%moderate
October Weather12°C (54°F)82 mm (3.2 inches)89%moderate
November Weather7°C (46°F)64 mm (2.5 inches)92%low
December Weather6°C (42°F)102 mm (4.0 inches)92%low

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