December weather forecastBouillon, Belgium

December

Weather in December

December, the first month of the winter in Bouillon, is also a wintry month, with an average temperature fluctuating between 1.2°C (34.2°F) and 5.2°C (41.4°F).

Temperature

With December's onset, the weather reveals a slight temperature decrease, transitioning from a frosty 8.5°C (47.3°F) in November to a cold 5.2°C (41.4°F). In December, a low-temperature average of 1.2°C (34.2°F) is characteristic of Bouillon, marking a minor shift from daytime temperatures.

Humidity

December is the most humid month, with an average relative humidity of 92%.

Rainfall

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

Snowfall

January through April, October through December are months with snowfall in Bouillon, Belgium. In Bouillon, during December, snow falls for 3.8 days and regularly aggregates up to 39mm (1.54") of snow. In Bouillon, during the entire year, snow falls for 16.5 days and aggregates up to 171mm (6.73") of snow.

Daylight

The month with the shortest days in Bouillon is December, with an average of 8h and 12min of daylight.
On the first day of December, sunrise is at 08:16 and sunset at 16:41. On the last day of the month, sunrise is at 08:37 and sunset at 16:48 CET.

Sunshine

December has the least sunshine of the year, with an average of 3.3h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Bouillon. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

The average high-temperature, in December, in Bouillon, is 5.2°C (41.4°F), while the average low-temperature is 1.2°C (34.2°F).

With an average relative humidity of 92%, December is the most humid month in Bouillon.

In Bouillon, the average relative humidity in December is 92%.

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

In December, in Bouillon, the rain falls for 18.4 days. Throughout December, 80mm (3.15") of precipitation is accumulated.

In Bouillon, Belgium, in December, snow falls for 3.8 days, with typically accumulated 39mm (1.54") of snow.

The month with the shortest days in Bouillon is December, with an average of 8h and 12min of daylight.

In Bouillon, the average day length in December is 8h and 12min.

On the first day of December, sunrise is at 08:16 and sunset at 16:41. On the last day of the month, sunrise is at 08:37 and sunset at 16:48 CET.

The month with the least sunshine in Bouillon, Belgium, is December, with an average of 3.3h of sunshine.

The average sunshine duration in December in Bouillon is 3.3h.

The months with the lowest UV index in Bouillon, Belgium, 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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's 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
Bouillon, Belgium

  • Average high temperature in December: 5.2°C

The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (3.9°C).

  • Average low temperature in December: 1.2°C

The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).

Average pressure in December
Bouillon, Belgium

  • Average pressure in December: 1017.7mbar

The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).

Average wind speed in December
Bouillon, Belgium

  • Average wind speed in December: 15.6km/h

The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in December
Bouillon, Belgium

  • Average humidity in December: 92%

The month with the highest relative humidity is December (92%).
The month with the lowest relative humidity is August (78%).

Average rainfall in December
Bouillon, Belgium

  • Average rainfall in December: 80mm

The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is April (35mm).

Average rainfall days in December
Bouillon, Belgium

  • Average rainfall days in December: 18.4 days

The month with the highest number of rainy days is December (18.4 days).
The month with the least rainy days is September (12.8 days).

Average snowfall in December
Bouillon, Belgium

  • Average snowfall in December: 39mm

The month with the highest snowfall is January (56mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Bouillon, Belgium

  • Average snowfall days in December: 3.8 days

The months with the highest number of snowfall days are January and February (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Bouillon, Belgium

  • 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: 3h and 18min

The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

Average sunshine days in December
Bouillon, Belgium

  • Average sunshine days in December: 9.5 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is December (9.5 days).

Average UV index in December
Bouillon, Belgium

  • 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
Bouillon, Belgium

  • Average cloud cover in December: 68

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in December
Bouillon, Belgium

  • Average visibility in December: 8km

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