December Weather in Fossoy, France

Last updated: August 23, 2025

In December, the average temperature in Fossoy, France hovers around 5°C (42°F). During this time, temperatures can dip to a chilly -4°C (26°F) or reach a comfortable maximum of 15°C (60°F). Expect 116 mm (4.6 in) of precipitation spread across 16 days, contributing to a notably high average humidity of 93%.

December Temperature in Fossoy

In December in Fossoy, the average temperature is 5°C (42°F), with maximums reaching 15°C (60°F) and minimums dropping as low as -4°C (26°F). It's advisable to pack layers and prepare for variable weather if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Fossoy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fossoy, December typically has an average temperature of 5°C (42°F), with highs reaching up to 15°C (60°F) and lows dropping to around -4°C (26°F).

Data source: Temperature data for Fossoy generated using information from the Copernicus Climate Change Service.

December Precipitation in Fossoy

In Fossoy in December, the precipitation amount is 116 mm (4.6 in) over a period of 16 days.

December Precipitation Trends in Fossoy

The chart displays monthly precipitation patterns in Fossoy, 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 Fossoy, December typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Fossoy

In Fossoy in December humidity is 93%. With average temperature 5°C (42°F), this humidity feels like an uncomfortable chill that seeps into your bones, making travel outside feel damp and daunting.

December Average Humidity in Fossoy

This chart illustrates the average monthly humidity levels in Fossoy, 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 Fossoy is approximately 93%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Fossoy

In Fossoy 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 Fossoy.

Maximum UV Index Levels in Fossoy for December

The chart shows the monthly maximum UV Index (UVI) for Fossoy 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 Fossoy typically reaches 1, which falls under the low exposure category.

Data source: Fossoy 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 Fossoy Compares to Other Months

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

This table compares monthly weather conditions in Fossoy, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	73 mm (2.9 inches)	91%	low
February Weather	6°C (42°F)	75 mm (3.0 inches)	89%	moderate
March Weather	8°C (46°F)	74 mm (2.9 inches)	86%	moderate
April Weather	11°C (51°F)	37 mm (1.4 inches)	84%	high
May Weather	14°C (58°F)	71 mm (2.8 inches)	82%	very high
June Weather	19°C (66°F)	63 mm (2.5 inches)	82%	very high
July Weather	20°C (69°F)	60 mm (2.4 inches)	80%	very high
August Weather	20°C (68°F)	63 mm (2.5 inches)	76%	very high
September Weather	16°C (62°F)	61 mm (2.4 inches)	81%	high
October Weather	12°C (54°F)	87 mm (3.4 inches)	88%	moderate
November Weather	7°C (45°F)	71 mm (2.8 inches)	92%	low
December Weather	5°C (42°F)	116 mm (4.6 inches)	93%	low