December Weather in Rians, France

Last updated: August 23, 2025

In December, the average temperature in Rians, France hovers around 6°C (43°F). Expect some chilly days with minimum temperatures dipping to -3°C (27°F), while the thermometer can rise as high as 16°C (62°F). This month sees an average precipitation of 124 mm (4.9 in) spread over 18 days, contributing to a notably high average humidity of 93%. Prepare for wet and cool conditions!

December Temperature in Rians

In December in Rians, the average temperature is 6°C (43°F). Maximums can reach 16°C (62°F), while minimums can drop as low as -3°C (27°F). Be prepared for a mix of chilly days and mild afternoons, making it a great time for layered clothing while exploring the sights.

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

The chart illustrates December temperature patterns in Rians, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rians, December typically has an average temperature of 6°C (43°F), with highs reaching up to 16°C (62°F) and lows dropping to around -3°C (27°F).

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

December Precipitation in Rians

In Rians in December, the precipitation amount is 124 mm (4.9 in) over a span of 18 days.

December Precipitation Trends in Rians

The chart displays monthly precipitation patterns in Rians, 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 Rians, December typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 18 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 Rians

In Rians 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 Rians

This chart illustrates the average monthly humidity levels in Rians, 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 Rians 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 Rians

In Rians 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 Rians.

Maximum UV Index Levels in Rians for December

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

Data source: Rians 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 Rians Compares to Other Months

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

This table compares monthly weather conditions in Rians, 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 (40°F)	77 mm (3.0 inches)	90%	low
February Weather	6°C (44°F)	67 mm (2.6 inches)	88%	moderate
March Weather	9°C (48°F)	81 mm (3.2 inches)	85%	moderate
April Weather	12°C (53°F)	43 mm (1.7 inches)	83%	high
May Weather	15°C (59°F)	79 mm (3.1 inches)	83%	very high
June Weather	19°C (67°F)	68 mm (2.7 inches)	79%	very high
July Weather	21°C (70°F)	53 mm (2.1 inches)	71%	very high
August Weather	21°C (69°F)	44 mm (1.7 inches)	68%	very high
September Weather	17°C (63°F)	63 mm (2.5 inches)	76%	high
October Weather	13°C (55°F)	80 mm (3.1 inches)	87%	moderate
November Weather	8°C (46°F)	74 mm (2.9 inches)	91%	low
December Weather	6°C (43°F)	124 mm (4.9 inches)	93%	low