December weather forecastAttert, Belgium

December

Weather in December

The first month of the winter, December, is also an icy month in Attert, Belgium, with an average temperature varying between 0.1°C (32.2°F) and 4.1°C (39.4°F).

Temperature

A mild shift in the average high-temperature occurs in December, reducing from a frosty 7.5°C (45.5°F) in November to a wintry 4.1°C (39.4°F). In Attert, the nocturnal temperatures throughout December show a marginal dip from the daytime averages, settling at 0.1°C (32.2°F).

Humidity

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

Rainfall

The month with the most rainfall in Attert, Belgium, is December, when the rain falls for 16.8 days and typically aggregates up to 70mm (2.76") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Attert, in December, snow falls for 6.7 days, with typically accumulated 64mm (2.52") of snow. In Attert, during the entire year, snow falls for 30.3 days and aggregates up to 249mm (9.8") of snow.

Daylight

With an average of 8h and 12min of daylight, December has the shortest days of the year in Attert.
On the first day of the month, sunrise is at 08:13 and sunset at 16:38. On the last day of December, sunrise is at 08:34 and sunset at 16:46 CET.

Sunshine

With an average of 2.9h of sunshine, December has the least sunshine of the year in Attert.

UV index

The months with the lowest UV index in Attert are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

The high-temperature, in December, in Attert, is 4.1°C (39.4°F), while the low-temperature averages to 0.1°C (32.2°F).

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

In December, the average relative humidity is 92%.

The month with the most rainfall is December, when the rain falls for 16.8 days and typically aggregates up to 70mm (2.76") of precipitation.

In Attert, Belgium, in December, it is raining for 16.8 days, with typically 70mm (2.76") of accumulated precipitation.

In Attert, Belgium, during December, snow falls for 6.7 days and regularly aggregates up to 64mm (2.52") of snow.

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

The average day length in December in Attert, Belgium, is 8h and 12min.

In December, on the first day of the month, sunrise is at 08:13 and sunset at 16:38. On the last day of the month, in Attert, sunrise is at 08:34 and sunset at 16:46 CET.

The month with the least sunshine is December, with an average of 2.9h of sunshine.

In Attert, the average sunshine duration in December is 2.9h.

The months with the lowest UV index are January through March, 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 unsafe 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
Attert, Belgium

  • Average high temperature in December: 4.1°C

The warmest month (with the highest average high temperature) is August (21.7°C).
The month with the lowest average high temperature is January (2.7°C).

  • Average low temperature in December: 0.1°C

The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).

Average pressure in December
Attert, Belgium

  • Average pressure in December: 1018mbar

The month with the highest atmospheric pressure is December (1018mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).

Average wind speed in December
Attert, Belgium

  • 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 (9.8km/h).

Average humidity in December
Attert, 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 (79%).

Average rainfall in December
Attert, Belgium

  • Average rainfall in December: 70mm

The wettest month (with the highest rainfall) is December (70mm).
The driest month (with the least rainfall) is April (36mm).

Average rainfall days in December
Attert, Belgium

  • Average rainfall days in December: 16.8 days

The months with the highest number of rainy days are June and July (19.1 days).
The month with the least rainy days is February (12.7 days).

Average snowfall in December
Attert, Belgium

  • Average snowfall in December: 64mm

The month with the highest snowfall is January (78mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Attert, Belgium

  • Average snowfall days in December: 6.7 days

The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Attert, 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: 2h and 54min

The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).

Average sunshine days in December
Attert, Belgium

  • Average sunshine days in December: 9 days

The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is June (8.1 days).

Average UV index in December
Attert, 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, March, November and December (UV index 2).

Average cloud cover in December
Attert, Belgium

  • Average cloud cover in December: 72

The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in December
Attert, Belgium

  • Average visibility in December: 7km

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