December weather forecastLa Roche-Derrien, France

December

Weather in December

The first month of the winter, December, is also a fresh month in La Roche-Derrien, France, with an average temperature varying between 10.1°C (50.2°F) and 7°C (44.6°F).

Temperature

La Roche-Derrien in December witnesses an average high-temperature of a still cool 10.1°C (50.2°F), indicating a slight variation from November's 12°C (53.6°F). December nights in La Roche-Derrien experience a minor temperature downturn to a chilly 7°C (44.6°F).

Humidity

In La Roche-Derrien, the average relative humidity in December is 83%.

Rainfall

In La Roche-Derrien, in December, it is raining for 21.2 days, with typically 74mm (2.91") of accumulated precipitation. Throughout the year, there are 214.5 rainfall days, and 643mm (25.31") of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in La Roche-Derrien, France. In La Roche-Derrien, during December, snow falls for 0.9 days and regularly aggregates up to 9mm (0.35") of snow. In La Roche-Derrien, during the entire year, snow falls for 4.5 days and aggregates up to 38mm (1.5") of snow.

Daylight

With an average of 8h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 08:45 and sunset at 17:19. On the last day of the month, sunrise is at 09:05 and sunset at 17:26 CET.

Sunshine

In La Roche-Derrien, the average sunshine in December is 3.5h.

UV index

The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Take precautions - Protection against sunburn is recommended. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Enhance your sun protection with tightly woven, yet airy clothing. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Frequently asked questions

An average high-temperature, in December, in La Roche-Derrien, is 10.1°C (50.2°F) and the average low-temperature is 7°C (44.6°F).

In December, the average relative humidity in La Roche-Derrien, France, is 83%.

In December, the rain falls for 21.2 days. Throughout December, 74mm (2.91") of precipitation is accumulated.

In La Roche-Derrien, France, in December, snow falls for 0.9 days, with typically accumulated 9mm (0.35") of snow.

With an average of 8h and 24min of daylight, December has the shortest days of the year.

In December, the average day length in La Roche-Derrien is 8h and 21min.

In December, on the first day of the month, sunrise is at 08:45 and sunset at 17:19. On the last day of the month, in La Roche-Derrien, France, sunrise is at 09:05 and sunset at 17:26 CET.

The average sunshine duration in December in La Roche-Derrien is 3.5h.

The average daily maximum UV index in December in La Roche-Derrien is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
La Roche-Derrien, France

  • Average high temperature in December: 10.1°C

The warmest month (with the highest average high temperature) is August (19.1°C).
The month with the lowest average high temperature is January (9°C).

  • Average low temperature in December: 7°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (5.4°C).

Average pressure in December
La Roche-Derrien, France

  • Average pressure in December: 1017.2mbar

The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).

Average wind speed in December
La Roche-Derrien, France

  • Average wind speed in December: 25.3km/h

The windiest months (with the highest average wind speed) are February and December (25.3km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).

Average humidity in December
La Roche-Derrien, France

  • Average humidity in December: 83%

The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are February, March, April, September and October (82%).

Average rainfall in December
La Roche-Derrien, France

  • Average rainfall in December: 74mm

The wettest month (with the highest rainfall) is November (82mm).
The driest month (with the least rainfall) is September (28mm).

Average rainfall days in December
La Roche-Derrien, France

  • Average rainfall days in December: 21.2 days

The month with the highest number of rainy days is November (21.7 days).
The month with the least rainy days is September (13.7 days).

Average snowfall in December
La Roche-Derrien, France

  • Average snowfall in December: 9mm

The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
La Roche-Derrien, France

  • Average snowfall days in December: 0.9 days

The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
La Roche-Derrien, France

  • Average daylight in December: 8h and 24min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in December: 3h and 30min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in December
La Roche-Derrien, France

  • Average sunshine days in December: 5.5 days

The month with the most sunshine days is September (11.1 days).
The month with the least sunshine days is November (4.8 days).

Average UV index in December
La Roche-Derrien, France

  • Average UV index in December: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).

Average cloud cover in December
La Roche-Derrien, France

  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are April, July and September (Cloud cover 42).

Average visibility in December
La Roche-Derrien, France

  • Average visibility in December: 9km

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