December weather forecastLongeau, Belgium

December

Weather in December

December, the first month of the winter in Longeau, is also an icy month, with temperature in the range of an average high of 4.4°C (39.9°F) and an average low of 0.2°C (32.4°F).

Temperature

Longeau's December weather features a light decline in high-temperatures, reducing from a frosty 7.5°C (45.5°F) in November to a wintry 4.4°C (39.9°F). The nighttime temperature in Longeau demonstrates a marginal decline, averaging at 0.2°C (32.4°F) during December.

Humidity

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

Rainfall

December is the month with the most rainfall. Rain falls for 14.6 days and accumulates 73mm (2.87") of precipitation.

Snowfall

January through May, October through December are months with snowfall. The months with the most snowfall in Longeau are January and December, with an average 80mm (3.15") of accumulated snow.

Daylight

With an average of 8h and 12min of daylight, December has the shortest days of the year in Longeau, Belgium.
On the first day of December, sunrise is at 08:12 and sunset at 16:39. On the last day of the month, sunrise is at 08:33 and sunset at 16:46 CET.

Sunshine

With an average of 3h of sunshine, December has the least sunshine of the year in Longeau.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

The high-temperature in Longeau, Belgium, during December is 4.4°C (39.9°F) and the low-temperature is 0.2°C (32.4°F).

The most humid month in Longeau is December, with an average relative humidity of 92%.

The average relative humidity in December in Longeau is 92%.

The month with the most rainfall is December, when the rain falls for 14.6 days and typically aggregates up to 73mm (2.87") of precipitation.

In Longeau, Belgium, in December, during 14.6 rainfall days, 73mm (2.87") of precipitation is typically accumulated.

The months with the most snowfall in Longeau are January and December, with an average 80mm (3.15") of accumulated snow.

In Longeau, Belgium, during December, snow falls for 8.2 days and regularly aggregates up to 80mm (3.15") of snow.

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

In December, the average day length in Longeau, Belgium, is 8h and 14min.

In December, on the first day of the month, sunrise is at 08:12 and sunset at 16:39. On the last day of the month, in Longeau, Belgium, sunrise is at 08:33 and sunset at 16:46 CET.

The month with the least sunshine in Longeau is December, with an average of 3h of sunshine.

In December, the average sunshine duration in Longeau, Belgium, is 3h.

The months with the lowest UV index in Longeau are January through March, November and December, with an average maximum UV index of 2.

The average daily maximum UV index in December in Longeau, Belgium, is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Longeau, Belgium

  • Average high temperature in December: 4.4°C

The warmest months (with the highest average high temperature) are July and August (21.8°C).
The month with the lowest average high temperature is January (3°C).

  • Average low temperature in December: 0.2°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).

Average pressure in December
Longeau, Belgium

  • Average pressure in December: 1018.1mbar

The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).

Average wind speed in December
Longeau, Belgium

  • Average wind speed in December: 15.6km/h

The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in December
Longeau, Belgium

  • Average humidity in December: 92%

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

Average rainfall in December
Longeau, Belgium

  • Average rainfall in December: 73mm

The wettest month (with the highest rainfall) is December (73mm).
The driest month (with the least rainfall) is April (34mm).

Average rainfall days in December
Longeau, Belgium

  • Average rainfall days in December: 14.6 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (11.6 days).

Average snowfall in December
Longeau, Belgium

  • Average snowfall in December: 80mm

The months with the highest snowfall are January and December (80mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Longeau, Belgium

  • Average snowfall days in December: 8.2 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 12min

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 12min).

  • Average sunshine in December: 3h and 0min

The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).

Average sunshine days in December
Longeau, Belgium

  • Average sunshine days in December: 9 days

The months with the most sunshine days are April and September (14.7 days).
The month with the least sunshine days is December (9 days).

Average UV index in December
Longeau, Belgium

  • 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, March, November and December (UV index 2).

Average cloud cover in December
Longeau, Belgium

  • Average cloud cover in December: 71

The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in December
Longeau, Belgium

  • Average visibility in December: 8km

The months with the highest visibility are March, April and August (9km).
The month with the lowest visibility is November (7km).