December weather forecast and climate
Hallebast, Belgium

Weather in December

December, the first month of the winter, in Hallebast, is also a frosty month, with average temperature fluctuating between 7.2°C (45°F) and 3.4°C (38.1°F).

Temperature

In Hallebast, Belgium, the average high-temperature in December is essentially the same as in November - a frosty 7.2°C (45°F). In December, in Hallebast, the average low-temperature is 3.4°C (38.1°F).

Humidity

The most humid month in Hallebast is December, with an average relative humidity of 87%.

Rainfall

December is the month with the most rainfall. Rain falls for 18 days and accumulates 61mm (2.4") of precipitation.

Snowfall

January through March, November and December are months with snowfall. In December, it is snowing for 2.5 days. Throughout December, 26mm (1.02") of snow is accumulated. Throughout the year, in Hallebast, there are 11.4 snowfall days, and 91mm (3.58") of snow is accumulated.

Daylight

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

Sunshine

The month with the least sunshine in Hallebast is December, with an average of 3.7h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Hallebast?

In Hallebast, Belgium, in December, the average high-temperature is 7.2°C (45°F), and the average low-temperature is 3.4°C (38.1°F).

What is the most humid month in Hallebast?

With an average relative humidity of 87%, December is the most humid month.

What is the average humidity in December in Hallebast?

In Hallebast, the average relative humidity in December is 87%.

How many days does it rain in December in Hallebast?

In Hallebast, in December, during 18 rainfall days, 61mm (2.4") of precipitation is typically accumulated.

What is the wettest month in Hallebast?

The month with the most rainfall is December when the rain falls for 18 days and typically aggregates up to 61mm (2.4") of precipitation.

How much does it snow in Hallebast in December?

In December, it is snowing for 2.5 days. Throughout December, 26mm (1.02") of snow is accumulated.

What is the month with the shortest days in Hallebast?

The month with the shortest days in Hallebast, Belgium, is December, with an average of 8h of daylight.

What is the average length of the day in December in Hallebast?

In December, the average length of the day in Hallebast, Belgium, is 8h.

What is the month with the least sunshine in Hallebast?

December has the least sunshine of the year, with an average of 3.7h of sunshine.

How many hours of sunshine does Hallebast have in December?

In December, the average sunshine in Hallebast is 3.7h.

What are the months with the lowest UV index in Hallebast?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in December in Hallebast?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation.

Average temperature in December
Hallebast, Belgium

Average temperature in December - Hallebast, Belgium
  • Average high temperature in December: 7.2°C

The warmest months (with the highest average high temperature) are July and August (22.7°C).
The month with the lowest average high temperature is January (6.2°C).

  • Average low temperature in December: 3.4°C

The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

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Average pressure in December
Hallebast, Belgium

Average pressure in December - Hallebast, Belgium
  • Average pressure in December: 1015.9mbar

The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).

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Average wind speed in December
Hallebast, Belgium

Average wind speed in December - Hallebast, Belgium
  • Average wind speed in December: 18.2km/h

The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (12.9km/h).

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Average humidity in December
Hallebast, Belgium

Average humidity in December - Hallebast, Belgium
  • Average humidity in December: 87%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (74%).

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Average rainfall in December
Hallebast, Belgium

Average rainfall in December - Hallebast, Belgium
  • Average rainfall in December: 61mm

The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is September (14mm).

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Average rainfall days in December
Hallebast, Belgium

Average rainfall days in December - Hallebast, Belgium
  • Average rainfall days in December: 18 days

The month with the highest number of rainy days is December (18 days).
The month with the least rainy days is September (8.1 days).

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Average snowfall in December
Hallebast, Belgium

Average snowfall in December - Hallebast, Belgium
  • Average snowfall in December: 26mm

The month with the highest snowfall is January (34mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in December
Hallebast, Belgium

Average snowfall days in December - Hallebast, Belgium
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is February (4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Hallebast, Belgium
  • Average daylight in December: 8h

The month with the longest days is June (Average daylight: 16.4h).
The month with the shortest days is December (Average daylight: 8h).

  • Average sunshine in December: 3.7h

The month with the most sunshine is June (Average sunshine: 10.3h).
The month with the least sunshine is December (Average sunshine: 3.7h).

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Average sunshine days in December
Hallebast, Belgium

Average sunshine days in December - Hallebast, Belgium
  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is September (20.9 days).
Months with the least sunshine days are February and December (8.5 days).

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Average UV index in December
Hallebast, Belgium

Average UV index in December - Hallebast, Belgium
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Hallebast, Belgium

Average cloud cover in December - Hallebast, Belgium
  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 61).
Months with the least cloud cover are April and August (Cloud cover 40).

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Average visibility in December
Hallebast, Belgium

Average visibility in December - Hallebast, Belgium
  • Average visibility in December: 9km

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

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