December weather forecastVianne, France

December weather for Vianne, France: The first month of the winter, December, is also a fresh month in Vianne, France, with an average temperature varying between 10.1°C (50.2°F) and 4.3°C (39.7°F). The month with the shortest days in Vianne, France, is December, with an average of 8h and 54min of daylight.

December

Weather in December

The first month of the winter, December, is also a fresh month in Vianne, France, with an average temperature varying between 10.1°C (50.2°F) and 4.3°C (39.7°F).

Temperature

As December arrives, Vianne's weather displays a minor decrease in high-temperatures, transitioning from November's mild 13.5°C (56.3°F) to a cool 10.1°C (50.2°F). In Vianne, an average temperature of 4.3°C (39.7°F) is noted during December nights.

Humidity

In December, the average relative humidity is 84%.

Rainfall

In December, in Vianne, France, the rain falls for 13.5 days. Throughout December, 48mm (1.89") of precipitation is accumulated. In Vianne, during the entire year, the rain falls for 168.6 days and collects up to 505mm (19.88") of precipitation.

Snowfall

January through March and December are months with snowfall in Vianne, France. December is the first month it typically snows in Vianne. Throughout December, in the average 0.8 snowfall days, it receives 6mm (0.24") of snow. In Vianne, during the entire year, snow falls for 3 days and aggregates up to 26mm (1.02") of snow.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 08:14 and sunset at 17:21. On the last day of the month, sunrise is at 08:33 and sunset at 17:29 CET.

Sunshine

In Vianne, the average sunshine in December is 5.3h.

UV index

In Vianne, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, an average UV index of 3 transforms into the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

Vianne in December has an average high-temperature of 10.1°C (50.2°F) and an average low-temperature of 4.3°C (39.7°F). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 31°C (87.8°F).

The average relative humidity in December in Vianne is 84%.

In December, in Vianne, France, the rain falls for 13.5 days. Throughout December, 48mm (1.89") of precipitation is accumulated.

December is the first month it typically snows. Throughout December, in the average 0.8 snowfall days, it receives 6mm (0.24") of snow.

The month with the shortest days in Vianne, France, is December, with an average of 8h and 54min of daylight.

In December, the average day length in Vianne, France, is 8h and 56min.

On the first day of December in Vianne, France, sunrise is at 08:14 and sunset at 17:21. On the last day of the month, sunrise is at 08:33 and sunset at 17:29 CET.

The average sunshine duration in December in Vianne, France, is 5.3h.

In December, the average daily maximum UV index in Vianne, France, is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's 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
Vianne, France

  • Average high temperature in December: 10.1°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in December: 4.3°C

The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).

Average pressure in December
Vianne, France

  • Average pressure in December: 1021.6mbar

The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).

Average wind speed in December
Vianne, France

  • Average wind speed in December: 11km/h

The windiest month (with the highest average wind speed) is March (11.9km/h).
The calmest months (with the lowest average wind speed) are August and September (8.5km/h).

Average humidity in December
Vianne, France

  • Average humidity in December: 84%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (66%).

Average rainfall in December
Vianne, France

  • Average rainfall in December: 48mm

The wettest months (with the highest rainfall) are May and November (59mm).
The driest month (with the least rainfall) is September (20mm).

Average rainfall days in December
Vianne, France

  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is September (10 days).

Average snowfall in December
Vianne, France

  • Average snowfall in December: 6mm

The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Vianne, France

  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Vianne, France

  • Average daylight in December: 8h and 54min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 5h and 18min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in December
Vianne, France

  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in December
Vianne, 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
Vianne, France

  • Average cloud cover in December: 45

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December
Vianne, France

  • Average visibility in December: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).