December weather forecastMortain, France

December

Weather in December

December, the first month of the winter in Mortain, is also a frosty month, with an average temperature ranging between max 8.8°C (47.8°F) and min 4.9°C (40.8°F).

Temperature

The commencement of December records an average high-temperature of a chilly 8.8°C (47.8°F), barely varying from November's 11°C (51.8°F). An average nighttime temperature of 4.9°C (40.8°F) marks December in Mortain.

Humidity

January, November and December, with an average relative humidity of 86%, are the most humid months in Mortain.

Rainfall

The month with the most rainfall is December, when the rain falls for 18.4 days and typically aggregates up to 80mm (3.15") of precipitation.

Snowfall

Months with snowfall in Mortain are January through April, November and December. In Mortain, France, in December, during 1.4 snowfall days, 10mm (0.39") of snow is typically accumulated. Throughout the year, there are 7.7 snowfall days, and 43mm (1.69") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 24min of daylight.
On the first day of the month, sunrise is at 08:35 and sunset at 17:10. On the last day of December, in Mortain, sunrise is at 08:56 and sunset at 17:17 CET.

Sunshine

In December, the average sunshine in Mortain is 4.1h.

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 minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

The high-temperature, in December, in Mortain, is 8.8°C (47.8°F), while the low-temperature averages to 4.9°C (40.8°F).

The months with the highest humidity in Mortain are January, November and December, with an average relative humidity of 86%.

In December, the average relative humidity in Mortain is 86%.

The month with the most rainfall in Mortain is December, when the rain falls for 18.4 days and typically aggregates up to 80mm (3.15") of precipitation.

In Mortain, during December, the rain falls for 18.4 days and regularly aggregates up to 80mm (3.15") of precipitation.

In December, in Mortain, France, it is snowing for 1.4 days. Throughout December, 10mm (0.39") of snow is accumulated.

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

The average day length in December in Mortain, France, is 8h and 22min.

In December, on the first day of the month, sunrise is at 08:35 and sunset at 17:10. On the last day of the month, in Mortain, France, sunrise is at 08:56 and sunset at 17:17 CET.

In December, the average sunshine duration in Mortain is 4.1h.

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

In December, the average daily maximum UV index in Mortain, France, is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Mortain, France

  • Average high temperature in December: 8.8°C

The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (7.7°C).

  • Average low temperature in December: 4.9°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 (3.3°C).

Average pressure in December
Mortain, France

  • Average pressure in December: 1017.3mbar

The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).

Average wind speed in December
Mortain, France

  • Average wind speed in December: 20.9km/h

The windiest month (with the highest average wind speed) is December (20.9km/h).
The calmest month (with the lowest average wind speed) is August (13.2km/h).

Average humidity in December
Mortain, France

  • Average humidity in December: 86%

The months with the highest relative humidity are January, November and December (86%).
The months with the lowest relative humidity are July, August and September (81%).

Average rainfall in December
Mortain, France

  • Average rainfall in December: 80mm

The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is September (25mm).

Average rainfall days in December
Mortain, France

  • Average rainfall days in December: 18.4 days

The month with the highest number of rainy days is January (19.3 days).
The month with the least rainy days is September (13.1 days).

Average snowfall in December
Mortain, France

  • Average snowfall in December: 10mm

The month with the highest snowfall is February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Mortain, France

  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is February (2.7 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
Mortain, 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: 4h and 6min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and November (Average sunshine: 3h and 54min).

Average sunshine days in December
Mortain, France

  • Average sunshine days in December: 7.7 days

The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (7.6 days).

Average UV index in December
Mortain, France

  • Average UV index in December: 2

The month with the highest UV index is 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
Mortain, France

  • Average cloud cover in December: 60

The months with the most cloud cover are January and November (Cloud cover 61).
The months with the least cloud cover are July and September (Cloud cover 42).

Average visibility in December
Mortain, 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).