December weather forecastMerdrignac, France

December

Weather in December

The first month of the winter, December, is still a chilly month in Merdrignac, France, with temperature in the range of an average low of 5.6°C (42.1°F) and an average high of 9.4°C (48.9°F).

Temperature

The shift into December records an average high-temperature of a chilly 9.4°C (48.9°F), subtly varied from November's 11.8°C (53.2°F). A consistent nighttime average temperature of 5.6°C (42.1°F) is maintained during December.

Humidity

January, November and December, with an average relative humidity of 85%, are the most humid months.

Rainfall

In December, in Merdrignac, the rain falls for 16.1 days. Throughout December, 44mm (1.73") of precipitation is accumulated. Throughout the year, in Merdrignac, there are 175 rainfall days, and 425mm (16.73") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Merdrignac. In December, it is snowing for 1 days. Throughout December, 12mm (0.47") of snow is accumulated. Throughout the year, in Merdrignac, there are 5.8 snowfall days, and 35mm (1.38") of snow is accumulated.

Daylight

The month with the shortest days in Merdrignac, France, is December, with an average of 8h and 24min of daylight.
On the first day of December, sunrise is at 08:39 and sunset at 17:18. On the last day of the month, sunrise is at 09:00 and sunset at 17:25 CET.

Sunshine

The average sunshine in December is 3.8h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

Frequently asked questions

In Merdrignac, in December, the average high-temperature is 9.4°C (48.9°F), and the average low-temperature is 5.6°C (42.1°F).

The months with the highest humidity are January, November and December, with an average relative humidity of 85%.

The average relative humidity in December is 85%.

In Merdrignac, during December, the rain falls for 16.1 days and regularly aggregates up to 44mm (1.73") of precipitation.

In Merdrignac, during December, snow falls for 1 days and regularly aggregates up to 12mm (0.47") of snow.

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

In December, the average day length in Merdrignac, France, is 8h and 26min.

In December, on the first day of the month, sunrise is at 08:39 and sunset at 17:18. On the last day of the month, in Merdrignac, France, sunrise is at 09:00 and sunset at 17:25 CET.

In December, the average sunshine duration in Merdrignac is 3.8h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Merdrignac.

In Merdrignac, France, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low 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
Merdrignac, France

  • Average high temperature in December: 9.4°C

The warmest month (with the highest average high temperature) is August (20.6°C).
The month with the lowest average high temperature is January (8.5°C).

  • Average low temperature in December: 5.6°C

The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).

Average pressure in December
Merdrignac, France

  • Average pressure in December: 1017.7mbar

The month with the highest atmospheric pressure is September (1018.3mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).

Average wind speed in December
Merdrignac, France

  • Average wind speed in December: 21.2km/h

The windiest month (with the highest average wind speed) is February (21.3km/h).
The calmest month (with the lowest average wind speed) is August (13.8km/h).

Average humidity in December
Merdrignac, France

  • Average humidity in December: 85%

The months with the highest relative humidity are January, November and December (85%).
The month with the lowest relative humidity is September (81%).

Average rainfall in December
Merdrignac, France

  • Average rainfall in December: 44mm

The wettest month (with the highest rainfall) is November (50mm).
The driest month (with the least rainfall) is September (18mm).

Average rainfall days in December
Merdrignac, France

  • Average rainfall days in December: 16.1 days

The month with the highest number of rainy days is November (17.4 days).
The month with the least rainy days is September (11 days).

Average snowfall in December
Merdrignac, France

  • Average snowfall in December: 12mm

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

Average snowfall days in December
Merdrignac, France

  • Average snowfall days in December: 1 days

The month with the highest number of snowfall days is February (2.3 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
Merdrignac, France

  • Average daylight in December: 8h and 24min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in December: 3h and 48min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in December
Merdrignac, France

  • Average sunshine days in December: 11.2 days

The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is November (8.3 days).

Average UV index in December
Merdrignac, France

  • Average UV index in December: 2

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

Average cloud cover in December
Merdrignac, France

  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 42).

Average visibility in December
Merdrignac, France

  • Average visibility in December: 9km

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