December weather forecast
Opwijk, Belgium

December

Weather in December

The first month of the winter, December, is still a chilly month in Opwijk, Belgium, with an average temperature varying between 6.7°C (44.1°F) and 2.8°C (37°F).

Temperature

Opwijk's December weather features a light decline in high-temperatures, reducing from a cool 10.1°C (50.2°F) in November to a frosty 6.7°C (44.1°F). December nights cool to an average low-temperature of 2.8°C (37°F), a marginal decrease from its daytime equivalent.

Humidity

The most humid month in Opwijk is December, with an average relative humidity of 88%.

Rainfall

The month with the most rainfall in Opwijk is December, when the rain falls for 6.4 days and typically aggregates up to 11mm (0.43") of precipitation.

Snowfall

January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.4 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, in Opwijk, Belgium, there are 5.6 snowfall days, and 10mm (0.39") of snow is accumulated.

Daylight

With an average of 8h and 0min of daylight, December has the shortest days of the year in Opwijk, Belgium.
On the first day of the month, sunrise is at 08:24 and sunset at 16:40. On the last day of December, sunrise is at 08:46 and sunset at 16:46 CET.

Sunshine

With an average of 3.6h of sunshine, December has the least sunshine of the year in Opwijk.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Opwijk. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.

Frequently asked questions

How cold does it get in Opwijk in December?
The average high-temperature, in December, in Opwijk, is 6.7°C (44.1°F), while the average low-temperature is 2.8°C (37°F).
What is the most humid month in Opwijk?
The most humid month in Opwijk is December, with an average relative humidity of 88%.
What is the average humidity in December in Opwijk?
The average relative humidity in December in Opwijk, Belgium, is 88%.
What is the wettest month in Opwijk?
December is the month with the most rainfall in Opwijk, Belgium. Rain falls for 6.4 days and accumulates 11mm (0.43") of precipitation.
How much does it rain in Opwijk in December?
In Opwijk, during December, the rain falls for 6.4 days and regularly aggregates up to 11mm (0.43") of precipitation.
When does it start to snow in Opwijk?
December is the first month it typically snows in Opwijk. Throughout December, in the average 1.4 snowfall days, it receives 2mm (0.08") of snow.
What is the month with the shortest days in Opwijk?
The month with the shortest days in Opwijk is December, with an average of 8h and 0min of daylight.
How many hours of daylight does Opwijk have in December?
The average day length in December in Opwijk, Belgium, is 8h and 1min.
When are sunrise and sunset in December in Opwijk?
On the first day of December, sunrise is at 08:24 and sunset at 16:40. On the last day of the month, sunrise is at 08:46 and sunset at 16:46 CET.
What is the month with the least sunshine in Opwijk?
December has the least sunshine of the year in Opwijk, Belgium, with an average of 3.6h of sunshine.
How many hours of sunshine does Opwijk have in December?
In December, the average sunshine duration in Opwijk is 3.6h.
What are the months with the lowest UV index in Opwijk?
The months with the lowest UV index in Opwijk are January, February, November and December, with an average maximum UV index of 2.
What is the UV index reading in December in Opwijk?
In Opwijk, 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
Opwijk, Belgium
  • Average high temperature in December: 6.7°C

The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (5.6°C).

  • Average low temperature in December: 2.8°C

The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).

Average pressure in December
Opwijk, Belgium
  • Average pressure in December: 1016mbar

The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).

Average wind speed in December
Opwijk, Belgium
  • Average wind speed in December: 17.3km/h

The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).

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

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (74%).

Average rainfall in December
Opwijk, Belgium
  • Average rainfall in December: 11mm

The wettest month (with the highest rainfall) is December (11mm).
The driest month (with the least rainfall) is September (4mm).

Average rainfall days in December
Opwijk, Belgium
  • Average rainfall days in December: 6.4 days

The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is September (4.5 days).

Average snowfall in December
Opwijk, Belgium
  • Average snowfall in December: 2mm

The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Opwijk, Belgium
  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Opwijk, Belgium
  • Average daylight in December: 8h and 0min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in December: 3h and 4min

The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in December
Opwijk, Belgium
  • Average sunshine days in December: 20.6 days

The month with the most sunshine days is October (23.7 days).
The month with the least sunshine days is June (17.7 days).

Average UV index in December
Opwijk, Belgium
  • 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
Opwijk, Belgium
  • Average cloud cover in December: 63

The months with the most cloud cover are January and December (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 43).

Average visibility in December
Opwijk, Belgium
  • Average visibility in December: 9km

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

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