December weather forecastSommeron, France

December

Weather in December

December, the first month of the winter in Sommeron, is still a chilly month, with an average temperature varying between 2.2°C (36°F) and 6.4°C (43.5°F).

Temperature

December signifies a minor drop in average high-temperature, transitioning from a frosty 9.4°C (48.9°F) in November to a still chilly 6.4°C (43.5°F). Sommeron registers a gentle descent to an average nighttime low of 2.2°C (36°F) in December from its daytime highs.

Humidity

With an average relative humidity of 89%, December is the most humid month.

Rainfall

The month with the most rainfall in Sommeron is December, when the rain falls for 16 days and typically aggregates up to 64mm (2.52") of precipitation.

Snowfall

Months with snowfall in Sommeron are January through March, October through December. In December, it is snowing for 2.6 days. Throughout December, 16mm (0.63") of snow is accumulated. Throughout the year, in Sommeron, there are 11.1 snowfall days, and 92mm (3.62") of snow is accumulated.

Daylight

With an average of 8h and 12min of daylight, December has the shortest days of the year in Sommeron.
On the first day of December in Sommeron, sunrise is at 08:21 and sunset at 16:45. On the last day of the month, sunrise is at 08:42 and sunset at 16:52 CET.

Sunshine

The average sunshine in December in Sommeron is 4h.

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 of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

In December, in Sommeron, the average high-temperature is 6.4°C (43.5°F), and the average low-temperature is 2.2°C (36°F).

With an average relative humidity of 89%, December is the most humid month in Sommeron, France.

The average relative humidity in December in Sommeron, France, is 89%.

The month with the most rainfall in Sommeron is December, when the rain falls for 16 days and typically aggregates up to 64mm (2.52") of precipitation.

In Sommeron, France, in December, during 16 rainfall days, 64mm (2.52") of precipitation is typically accumulated.

In Sommeron, in December, snow falls for 2.6 days, with typically accumulated 16mm (0.63") of snow.

With an average of 8h and 12min of daylight, December has the shortest days of the year in Sommeron.

In Sommeron, the average day length in December is 8h and 10min.

On the first day of December in Sommeron, sunrise is at 08:21 and sunset at 16:45. On the last day of the month, sunrise is at 08:42 and sunset at 16:52 CET.

In Sommeron, France, the average sunshine duration in December is 4h.

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

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

  • Average high temperature in December: 6.4°C

The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (5.3°C).

  • Average low temperature in December: 2.2°C

The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).

Average pressure in December
Sommeron, France

  • Average pressure in December: 1017.3mbar

The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).

Average wind speed in December
Sommeron, France

  • Average wind speed in December: 17.3km/h

The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).

Average humidity in December
Sommeron, France

  • Average humidity in December: 89%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).

Average rainfall in December
Sommeron, France

  • Average rainfall in December: 64mm

The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (26mm).

Average rainfall days in December
Sommeron, France

  • Average rainfall days in December: 16 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is September (12 days).

Average snowfall in December
Sommeron, France

  • Average snowfall in December: 16mm

The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in December
Sommeron, France

  • Average snowfall days in December: 2.6 days

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 12min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in December: 4h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Sommeron, France

  • Average sunshine days in December: 10.5 days

The month with the most sunshine days is March (15.8 days).
The month with the least sunshine days is February (9.6 days).

Average UV index in December
Sommeron, France

  • Average UV index in December: 2

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

Average cloud cover in December
Sommeron, France

  • Average cloud cover in December: 61

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in December
Sommeron, France

  • Average visibility in December: 9km

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