December weather forecastCessange, Luxembourg

December

Weather in December

The first month of the winter, December, is also a wintry month in Cessange, Luxembourg, with an average temperature varying between 0.2°C (32.4°F) and 4.5°C (40.1°F).

Temperature

The arrival of December corresponds with a light shift in temperature, down from a chilly 7.8°C (46°F) in November to a wintry 4.5°C (40.1°F). Nighttime, during December, brings an average low of 0.2°C (32.4°F), a modest reduction from the day's peak.

Humidity

December is the most humid month in Cessange, with an average relative humidity of 91%.

Rainfall

The month with the most rainfall is December, when the rain falls for 15.1 days and typically aggregates up to 61mm (2.4") of precipitation.

Snowfall

January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 5.9 days and accumulates 71mm (2.8") of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 12min of daylight.
On the first day of December, sunrise is at 08:11 and sunset at 16:38. On the last day of the month, sunrise is at 08:32 and sunset at 16:45 CET.

Sunshine

December has the least sunshine of the year in Cessange, with an average of 3.1h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cessange, Luxembourg. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

The high-temperature during December is 4.5°C (40.1°F) and the low-temperature is 0.2°C (32.4°F).

The most humid month in Cessange is December, with an average relative humidity of 91%.

The average relative humidity in December is 91%.

December is the month with the most rainfall in Cessange. Rain falls for 15.1 days and accumulates 61mm (2.4") of precipitation.

In Cessange, Luxembourg, in December, during 15.1 rainfall days, 61mm (2.4") of precipitation is typically accumulated.

The month with the most snowfall in Cessange is December, when snow falls for 5.9 days and typically aggregates up to 71mm (2.8") of snow.

In Cessange, Luxembourg, in December, snow falls for 5.9 days, with typically accumulated 71mm (2.8") of snow.

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

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

On the first day of December in Cessange, Luxembourg, sunrise is at 08:11 and sunset at 16:38. On the last day of the month, sunrise is at 08:32 and sunset at 16:45 CET.

December has the least sunshine of the year, with an average of 3.1h of sunshine.

In Cessange, Luxembourg, the average sunshine duration in December is 3.1h.

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

In Cessange, Luxembourg, 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
Cessange, Luxembourg

  • Average high temperature in December: 4.5°C

The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (3.2°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 (-1.2°C).

Average pressure in December
Cessange, Luxembourg

  • Average pressure in December: 1018.2mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).

Average wind speed in December
Cessange, Luxembourg

  • Average wind speed in December: 14.7km/h

The windiest month (with the highest average wind speed) is February (15.2km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in December
Cessange, Luxembourg

  • Average humidity in December: 91%

The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).

Average rainfall in December
Cessange, Luxembourg

  • Average rainfall in December: 61mm

The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is April (33mm).

Average rainfall days in December
Cessange, Luxembourg

  • Average rainfall days in December: 15.1 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (10.8 days).

Average snowfall in December
Cessange, Luxembourg

  • Average snowfall in December: 71mm

The month with the highest snowfall is December (71mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Cessange, Luxembourg

  • Average snowfall days in December: 5.9 days

The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Cessange, Luxembourg

  • 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 6min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in December
Cessange, Luxembourg

  • Average sunshine days in December: 11 days

The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in December
Cessange, Luxembourg

  • 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, November and December (UV index 2).

Average cloud cover in December
Cessange, Luxembourg

  • Average cloud cover in December: 70

The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in December
Cessange, Luxembourg

  • Average visibility in December: 8km

The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).