December weather forecast
Rennes-les-Bains, France

December

Weather in December

The first month of the winter, December, is also a frosty month in Rennes-les-Bains, France, with an average temperature fluctuating between 9.4°C (48.9°F) and 3.5°C (38.3°F).

Temperature

Rennes-les-Bains's weather subtly changes with the onset of December, barely falling from a fresh 12.4°C (54.3°F) in November to a chilly 9.4°C (48.9°F). December's nights in Rennes-les-Bains, France, observe an average temperature of 3.5°C (38.3°F).

Humidity

January, November and December, with an average relative humidity of 81%, are the most humid months in Rennes-les-Bains.

Rainfall

In Rennes-les-Bains, in December, it is raining for 10.9 days, with typically 24mm (0.94") of accumulated precipitation. In Rennes-les-Bains, during the entire year, the rain falls for 137.8 days and collects up to 335mm (13.19") of precipitation.

Snowfall

Months with snowfall in Rennes-les-Bains are January through March, November and December. In Rennes-les-Bains, during December, snow falls for 1.4 days and regularly aggregates up to 7mm (0.28") of snow. In Rennes-les-Bains, during the entire year, snow falls for 6.8 days and aggregates up to 40mm (1.57") of snow.

Daylight

The month with the shortest days in Rennes-les-Bains is December, with an average of 9h and 6min of daylight.
On the first day of December in Rennes-les-Bains, sunrise is at 08:02 and sunset at 17:17. On the last day of the month, sunrise is at 08:21 and sunset at 17:26 CET.

Sunshine

In December, the average sunshine in Rennes-les-Bains is 6h.

UV index

In December, the average daily maximum UV index in Rennes-les-Bains, France, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 3 suggests this advice:
Exercise prevention - Protecting skin and eyes from harm is required. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Frequently asked questions

What is the temperature in December in Rennes-les-Bains?
The average high-temperature and low-temperature during December are 9.4°C (48.9°F) and 3.5°C (38.3°F) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is computed to be 30°C (86°F).
What is the most humid month in Rennes-les-Bains?
The months with the highest humidity in Rennes-les-Bains, France, are January, November and December, with an average relative humidity of 81%.
What is the average humidity in December in Rennes-les-Bains?
In December, the average relative humidity is 81%.
How much does it rain in Rennes-les-Bains in December?
In Rennes-les-Bains, in December, during 10.9 rainfall days, 24mm (0.94") of precipitation is typically accumulated.
How much does it snow in Rennes-les-Bains in December?
In Rennes-les-Bains, France, in December, during 1.4 snowfall days, 7mm (0.28") of snow is typically accumulated.
What is the month with the shortest days in Rennes-les-Bains?
December has the shortest days of the year in Rennes-les-Bains, with an average of 9h and 6min of daylight.
What is the average length of the day in December in Rennes-les-Bains?
In December, the average day length is 9h and 5min.
When is the sunrise / sunset in December in Rennes-les-Bains?
In December, on the first day of the month, sunrise is at 08:02 and sunset at 17:17. On the last day of the month, in Rennes-les-Bains, sunrise is at 08:21 and sunset at 17:26 CET.
How long on average sun shines in December in Rennes-les-Bains?
In December, the average sunshine duration in Rennes-les-Bains is 6h.
What is the UV index intensity in December in Rennes-les-Bains?
In Rennes-les-Bains, France, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Rennes-les-Bains, France
Average temperature in December
Rennes-les-Bains, France
  • Average high temperature in December: 9.4°C

The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (8.1°C).

  • Average low temperature in December: 3.5°C

The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (1.7°C).

Average pressure in December - Rennes-les-Bains, France
Average pressure in December
Rennes-les-Bains, France
  • Average pressure in December: 1021.3mbar

The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

Average wind speed in December - Rennes-les-Bains, France
Average wind speed in December
Rennes-les-Bains, France
  • Average wind speed in December: 13.6km/h

The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is September (11.2km/h).

Average humidity in December - Rennes-les-Bains, France
Average humidity in December
Rennes-les-Bains, France
  • Average humidity in December: 81%

The months with the highest relative humidity are January, November and December (81%).
The month with the lowest relative humidity is August (65%).

Average rainfall in December - Rennes-les-Bains, France
Average rainfall in December
Rennes-les-Bains, France
  • Average rainfall in December: 24mm

The wettest month (with the highest rainfall) is October (43mm).
The driest months (with the least rainfall) are August and September (16mm).

Average rainfall days in December - Rennes-les-Bains, France
Average rainfall days in December
Rennes-les-Bains, France
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is April (13.5 days).
The month with the least rainy days is August (8.8 days).

Average snowfall in December - Rennes-les-Bains, France
Average snowfall in December
Rennes-les-Bains, France
  • Average snowfall in December: 7mm

The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December - Rennes-les-Bains, France
Average snowfall days in December
Rennes-les-Bains, France
  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Rennes-les-Bains, France
Average daylight in December /
Average sunshine in December
Rennes-les-Bains, France
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 6h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

Average sunshine days in December - Rennes-les-Bains, France
Average sunshine days in December
Rennes-les-Bains, France
  • Average sunshine days in December: 14 days

The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is November (12.5 days).

Average UV index in December - Rennes-les-Bains, France
Average UV index in December
Rennes-les-Bains, France
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).

Average cloud cover in December - Rennes-les-Bains, France
Average cloud cover in December
Rennes-les-Bains, France
  • Average cloud cover in December: 37

The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in December - Rennes-les-Bains, France
Average visibility in December
Rennes-les-Bains, France
  • Average visibility in December: 9km

The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).

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