December weather forecastBonnesvalyn, France

December

Weather in December

December, the first month of the winter in Bonnesvalyn, is still a chilly month, with an average temperature fluctuating between 2.5°C (36.5°F) and 6.7°C (44.1°F).

Temperature

A mild shift in the average high-temperature occurs in December, reducing from a cool 10°C (50°F) in November to a frosty 6.7°C (44.1°F). During the nights of December, Bonnesvalyn records an average temperature of 2.5°C (36.5°F), a minor drop from daytime peaks.

Humidity

December is the most humid month, with an average relative humidity of 88%.

Rainfall

December is the month with the most rainfall. Rain falls for 17.8 days and accumulates 65mm (2.56") of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Bonnesvalyn, during December, snow falls for 2.6 days and regularly aggregates up to 20mm (0.79") of snow. Throughout the year, in Bonnesvalyn, there are 11.1 snowfall days, and 84mm (3.31") of snow is accumulated.

Daylight

December has the shortest days of the year in Bonnesvalyn, with an average of 8h and 18min of daylight.
On the first day of the month, sunrise is at 08:20 and sunset at 16:51. On the last day of December, sunrise is at 08:41 and sunset at 16:58 CET.

Sunshine

The average sunshine in December in Bonnesvalyn is 4h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Frequently asked questions

The average high-temperature and low-temperature in Bonnesvalyn during December are 6.7°C (44.1°F) and 2.5°C (36.5°F) respectively.

December is the most humid month, with an average relative humidity of 88%.

In December, the average relative humidity in Bonnesvalyn is 88%.

December is the month with the most rainfall in Bonnesvalyn, France. Rain falls for 17.8 days and accumulates 65mm (2.56") of precipitation.

In Bonnesvalyn, France, during December, the rain falls for 17.8 days and regularly aggregates up to 65mm (2.56") of precipitation.

In December, it is snowing for 2.6 days. Throughout December, 20mm (0.79") of snow is accumulated.

The month with the shortest days is December, with an average of 8h and 18min of daylight.

In December, the average day length in Bonnesvalyn, France, is 8h and 18min.

On the first day of December in Bonnesvalyn, sunrise is at 08:20 and sunset at 16:51. On the last day of the month, sunrise is at 08:41 and sunset at 16:58 CET.

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

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

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Bonnesvalyn, France

  • Average high temperature in December: 6.7°C

The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (5.8°C).

  • Average low temperature in December: 2.5°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).

Average pressure in December
Bonnesvalyn, France

  • Average pressure in December: 1018.2mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).

Average wind speed in December
Bonnesvalyn, France

  • Average wind speed in December: 15.6km/h

The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).

Average humidity in December
Bonnesvalyn, France

  • Average humidity in December: 88%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (71%).

Average rainfall in December
Bonnesvalyn, France

  • Average rainfall in December: 65mm

The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is September (28mm).

Average rainfall days in December
Bonnesvalyn, France

  • Average rainfall days in December: 17.8 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is September (12.5 days).

Average snowfall in December
Bonnesvalyn, France

  • Average snowfall in December: 20mm

The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Bonnesvalyn, France

  • Average snowfall days in December: 2.6 days

The month with the highest number of snowfall days is January (3.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

  • Average daylight in December: 8h and 18min

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

  • 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
Bonnesvalyn, France

  • Average sunshine days in December: 9.2 days

The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is June (8.3 days).

Average UV index in December
Bonnesvalyn, 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
Bonnesvalyn, France

  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 38).

Average visibility in December
Bonnesvalyn, France

  • Average visibility in December: 8km

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