December weather forecast
Boncelles, Belgium

December

Weather in December

December, the first month of the winter in Boncelles, is also an icy month, with an average temperature varying between 5.5°C (41.9°F) and 1.6°C (34.9°F).

Temperature

The arrival of December is marked by a minor reduction in average high-temperature, sliding from a chilly 9.1°C (48.4°F) in November to a wintry 5.5°C (41.9°F). Boncelles encounters a small divergence from daytime high temperatures, averaging a low-temperature of 1.6°C (34.9°F) during December nights.

Humidity

The months with the highest humidity in Boncelles are January and December, with an average relative humidity of 88%.

Rainfall

December is the month with the most rainfall. Rain falls for 15.8 days and accumulates 55mm (2.17") of precipitation.

Snowfall

January through March, November and December are months with snowfall in Boncelles. In Boncelles, in December, during 4.4 snowfall days, 38mm (1.5") of snow is typically accumulated. In Boncelles, during the entire year, snow falls for 19.2 days and aggregates up to 143mm (5.63") of snow.

Daylight

The month with the shortest days in Boncelles is December, with an average of 8h and 6min of daylight.
On the first day of the month, sunrise is at 08:17 and sunset at 16:36. On the last day of December, sunrise is at 08:38 and sunset at 16:43 CET.

Sunshine

December has the least sunshine of the year in Boncelles, Belgium, with an average of 3.6h 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 Boncelles, Belgium. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Opt for tightly woven and loose clothing to enhance protection from the Sun. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

Is it cold in Boncelles during December?
The high-temperature, in December, in Boncelles, records 5.5°C (41.9°F), while the low-temperature is 1.6°C (34.9°F).
What is the most humid month in Boncelles?
January and December, with an average relative humidity of 88%, are most humid months in Boncelles, Belgium.
What is the average humidity in December in Boncelles?
The average relative humidity in December in Boncelles is 88%.
What is the rainiest month in Boncelles?
December is the month with the most rainfall. Rain falls for 15.8 days and accumulates 55mm (2.17") of precipitation.
How much does it rain in Boncelles in December?
In December, in Boncelles, Belgium, the rain falls for 15.8 days. Throughout December, 55mm (2.17") of precipitation is accumulated.
How much does it snow in Boncelles in December?
In Boncelles, Belgium, in December, snow falls for 4.4 days, with typically accumulated 38mm (1.5") of snow.
What is the month with the shortest days in Boncelles?
December has the shortest days of the year, with an average of 8h and 6min of daylight.
How many hours of daylight does Boncelles have in December?
In December, the average day length in Boncelles, Belgium, is 8h and 5min.
What time are sunrise and sunset in December in Boncelles?
In December, on the first day of the month, sunrise is at 08:17 and sunset at 16:36. On the last day of the month, in Boncelles, sunrise is at 08:38 and sunset at 16:43 CET.
What is the month with the least sunshine in Boncelles?
The month with the least sunshine in Boncelles, Belgium, is December, with an average of 3.6h of sunshine.
How long on average sun shines in December in Boncelles?
The average sunshine duration in December in Boncelles, Belgium, is 3.6h.
What is the month with the lowest UV index in Boncelles?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Boncelles.
How high is the UV index in December in Boncelles?
In Boncelles, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Boncelles, Belgium
  • Average high temperature in December: 5.5°C

The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (4.3°C).

  • Average low temperature in December: 1.6°C

The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (0°C).

Average pressure in December
Boncelles, Belgium
  • Average pressure in December: 1016.8mbar

The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1013mbar).

Average wind speed in December
Boncelles, Belgium
  • Average wind speed in December: 17.2km/h

The windiest month (with the highest average wind speed) is December (17.2km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).

Average humidity in December
Boncelles, Belgium
  • Average humidity in December: 88%

The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and August (77%).

Average rainfall in December
Boncelles, Belgium
  • Average rainfall in December: 55mm

The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is April (24mm).

Average rainfall days in December
Boncelles, Belgium
  • Average rainfall days in December: 15.8 days

The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is February (11.6 days).

Average snowfall in December
Boncelles, Belgium
  • Average snowfall in December: 38mm

The month with the highest snowfall is January (49mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Boncelles, Belgium
  • Average snowfall days in December: 4.4 days

The month with the highest number of snowfall days is January (5.4 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
Boncelles, Belgium
  • Average daylight in December: 8h and 1min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in December: 3h and 4min

The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in December
Boncelles, Belgium
  • Average sunshine days in December: 10.6 days

The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is December (10.6 days).

Average UV index in December
Boncelles, 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
Boncelles, Belgium
  • Average cloud cover in December: 62

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in December
Boncelles, Belgium
  • Average visibility in December: 8km

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

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