December weather forecastLe Mesnil-Opac, France

December

Weather in December

The first month of the winter, December, is still a chilly month in Le Mesnil-Opac, France, with an average temperature varying between 8.8°C (47.8°F) and 4.9°C (40.8°F).

Temperature

The average high-temperature during December registers at a chilly 8.8°C (47.8°F), maintaining a close resemblance to the previous month. During December, Le Mesnil-Opac's nights hold steady with an average temperature of 4.9°C (40.8°F), barely dropping from the daytime highs.

Humidity

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

Rainfall

December is the month with the most rainfall in Le Mesnil-Opac. Rain falls for 18.4 days and accumulates 80mm (3.15") of precipitation.

Snowfall

Months with snowfall in Le Mesnil-Opac are January through April, November and December. In Le Mesnil-Opac, France, in December, during 1.4 snowfall days, 10mm (0.39") of snow is typically accumulated. In Le Mesnil-Opac, during the entire year, snow falls for 7.7 days and aggregates up to 43mm (1.69") of snow.

Daylight

With an average of 8h and 18min of daylight, December has the shortest days of the year in Le Mesnil-Opac.
On the first day of December, sunrise is at 08:37 and sunset at 17:09. On the last day of the month, sunrise is at 08:58 and sunset at 17:16 CET.

Sunshine

In Le Mesnil-Opac, the average sunshine in December is 4.1h.

UV index

The months with the lowest UV index in Le Mesnil-Opac 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 health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 2 in December translates into this advice:
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. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

The average high-temperature and low-temperature in Le Mesnil-Opac during December are 8.8°C (47.8°F) and 4.9°C (40.8°F) respectively.

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

In Le Mesnil-Opac, France, the average relative humidity in December is 86%.

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

In Le Mesnil-Opac, in December, during 18.4 rainfall days, 80mm (3.15") of precipitation is typically accumulated.

In Le Mesnil-Opac, France, during December, snow falls for 1.4 days and regularly aggregates up to 10mm (0.39") of snow.

With an average of 8h and 18min of daylight, December has the shortest days of the year.

In Le Mesnil-Opac, France, the average day length in December is 8h and 19min.

On the first day of December in Le Mesnil-Opac, sunrise is at 08:37 and sunset at 17:09. On the last day of the month, sunrise is at 08:58 and sunset at 17:16 CET.

The average sunshine duration in December in Le Mesnil-Opac, France, is 4.1h.

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

In Le Mesnil-Opac, France, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Le Mesnil-Opac, 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
Le Mesnil-Opac, 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
Le Mesnil-Opac, 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
Le Mesnil-Opac, 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
Le Mesnil-Opac, 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
Le Mesnil-Opac, 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
Le Mesnil-Opac, 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
Le Mesnil-Opac, 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
Le Mesnil-Opac, France

  • Average daylight in December: 8h and 18min

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 18min).

  • 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
Le Mesnil-Opac, 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
Le Mesnil-Opac, 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
Le Mesnil-Opac, 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
Le Mesnil-Opac, 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).