December weather forecast and climate
Chèssion, Belgium

Weather in December

December, the first month of the winter, in Chèssion, is also a wintry month, with average temperature varying between 3.9°C (39°F) and -0.3°C (31.5°F).

Temperature

In December, the average high-temperature slightly decreases, from a chilly 7.3°C (45.1°F) in November, to a cold 3.9°C (39°F). In Chèssion, the average low-temperature is -0.3°C (31.5°F).

Humidity

Months with the highest humidity are January, November and December, with an average relative humidity of 92%.

Rainfall

December is the month with the most rainfall in Chèssion. Rain falls for 13.3 days and accumulates 66mm (2.6") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, in Chèssion, it is snowing for 7.3 days. Throughout December, 88mm (3.46") of snow is accumulated. Throughout the year, there are 39.8 snowfall days, and 371mm (14.61") of snow is accumulated.

Daylight

With an average of 8.1h of daylight, December has the shortest days of the year in Chèssion.

Sunshine

December has the least sunshine of the year in Chèssion, with an average of 2.7h of sunshine.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 interpret into the following advice:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 Chèssion?

The average high-temperature, in December, in Chèssion, is 3.9°C (39°F), while the average low-temperature is -0.3°C (31.5°F).

What is the most humid month in Chèssion?

January, November and December, with an average relative humidity of 92%, are most humid months in Chèssion, Belgium.

What is the average humidity in December in Chèssion?

In Chèssion, the average relative humidity in December is 92%.

How much does it rain in Chèssion in December?

In Chèssion, in December, during 13.3 rainfall days, 66mm (2.6") of precipitation is typically accumulated.

What is the wettest month in Chèssion?

December is the month with the most rainfall in Chèssion. Rain falls for 13.3 days and accumulates 66mm (2.6") of precipitation.

How much does it snow in Chèssion in December?

In Chèssion, in December, snow falls for 7.3 days, with typically accumulated 88mm (3.46") of snow.

What is the month with the shortest days in Chèssion?

December has the shortest days of the year in Chèssion, with an average of 8.1h of daylight.

How many hours of daylight does Chèssion have in December?

The average length of the day in December in Chèssion is 8.1h.

What is the month with the least sunshine in Chèssion?

December has the least sunshine of the year in Chèssion, Belgium, with an average of 2.7h of sunshine.

How many hours of sunshine does Chèssion have in December?

The average sunshine in December in Chèssion, Belgium, is 2.7h.

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

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Chèssion.

What is the UV index reading in December in Chèssion?

In Chèssion, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.

Average temperature in December
Chèssion, Belgium

Average temperature in December - Chèssion, Belgium
  • Average high temperature in December: 3.9°C

The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (2.4°C).

  • Average low temperature in December: -0.3°C

The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is January (-1.9°C).

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Average pressure in December
Chèssion, Belgium

Average pressure in December - Chèssion, Belgium
  • Average pressure in December: 1017.7mbar

Months with the highest atmospheric pressure are September and December (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).

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Average wind speed in December
Chèssion, Belgium

Average wind speed in December - Chèssion, Belgium
  • Average wind speed in December: 15.9km/h

The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).

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Average humidity in December
Chèssion, Belgium

Average humidity in December - Chèssion, Belgium
  • Average humidity in December: 92%

Months with the highest relative humidity are January, November and December (92%).
The month with the lowest relative humidity is April (79%).

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Average rainfall in December
Chèssion, Belgium

Average rainfall in December - Chèssion, Belgium
  • Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (31mm).

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Average rainfall days in December
Chèssion, Belgium

Average rainfall days in December - Chèssion, Belgium
  • Average rainfall days in December: 13.3 days

Months with the highest number of rainy days are June and July (17.3 days).
The month with the least rainy days is February (9.2 days).

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Average snowfall in December
Chèssion, Belgium

Average snowfall in December - Chèssion, Belgium
  • Average snowfall in December: 88mm

The month with the highest snowfall is February (105mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in December
Chèssion, Belgium

Average snowfall days in December - Chèssion, Belgium
  • Average snowfall days in December: 7.3 days

The month with the highest number of snowfall days is January (10.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Chèssion, Belgium
  • Average daylight in December: 8.1h

The month with the longest days is June (Average daylight: 16.4h).
The month with the shortest days is December (Average daylight: 8.1h).

  • Average sunshine in December: 2.7h

Months with the most sunshine are July and August (Average sunshine: 8.8h).
The month with the least sunshine is December (Average sunshine: 2.7h).

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Average sunshine days in December
Chèssion, Belgium

Average sunshine days in December - Chèssion, Belgium
  • Average sunshine days in December: 11.1 days

The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in December
Chèssion, Belgium

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

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in December
Chèssion, Belgium

Average cloud cover in December - Chèssion, Belgium
  • Average cloud cover in December: 75

The month with the most cloud cover is December (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 43).

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Average visibility in December
Chèssion, Belgium

Average visibility in December - Chèssion, Belgium
  • Average visibility in December: 7km

The month with the highest visibility is April (9km).
Months with the lowest visibility are November and December (7km).

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