December weather forecast
Rosport, Luxembourg

December

Weather in December

The first month of the winter, December, is still a cold month in Rosport, Luxembourg, with an average temperature fluctuating between 0°C (32°F) and 4.4°C (39.9°F).

Temperature

Rosport in December undergoes a slight reduction in the average high-temperature, shifting from November's frosty 7.8°C (46°F) to an icy 4.4°C (39.9°F). Rosport registers a gentle descent to an average nighttime low of 0°C (32°F) in December from its daytime highs.

Humidity

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

Rainfall

The month with the most rainfall in Rosport is December, when the rain falls for 12.8 days and typically aggregates up to 33mm (1.3") of precipitation.

Snowfall

January through March, May, November and December are months with snowfall in Rosport. The month with the most snowfall is December, when snow falls for 4.5 days and typically aggregates up to 33mm (1.3") 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 in Rosport, sunrise is at 08:10 and sunset at 16:35. On the last day of the month, sunrise is at 08:31 and sunset at 16:42 CET.

Sunshine

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

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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

How cold is December in Rosport?
The high-temperature, in December, in Rosport, is 4.4°C (39.9°F), while the low-temperature averages to 0°C (32°F).
What is the most humid month in Rosport?
With an average relative humidity of 91%, December is the most humid month in Rosport, Luxembourg.
What is the average humidity in December in Rosport?
In December, the average relative humidity in Rosport, Luxembourg, is 91%.
What is the wettest month in Rosport?
December is the month with the most rainfall. Rain falls for 12.8 days and accumulates 33mm (1.3") of precipitation.
How many days does it rain in December in Rosport?
In Rosport, during December, the rain falls for 12.8 days and regularly aggregates up to 33mm (1.3") of precipitation.
What is the snowiest month in Rosport?
The month with the most snowfall in Rosport, Luxembourg, is December, when snow falls for 4.5 days and typically aggregates up to 33mm (1.3") of snow.
How many days does it snow in December in Rosport?
In Rosport, in December, snow falls for 4.5 days, with typically accumulated 33mm (1.3") of snow.
What is the month with the shortest days in Rosport?
December has the shortest days of the year, with an average of 8h and 12min of daylight.
What is the average length of the day in December in Rosport?
In Rosport, the average day length in December is 8h and 12min.
When is the sunrise / sunset in December in Rosport?
In December, on the first day of the month, sunrise is at 08:10 and sunset at 16:35. On the last day of the month, in Rosport, sunrise is at 08:31 and sunset at 16:42 CET.
What is the month with the least sunshine in Rosport?
With an average of 3.1h of sunshine, December has the least sunshine of the year in Rosport, Luxembourg.
How long on average sun shines in December in Rosport?
In December, the average sunshine duration in Rosport, Luxembourg, is 3.1h.
What are the months with the lowest UV index in Rosport?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rosport, Luxembourg.
What is the UV index reading in December in Rosport?
In Rosport, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from 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 - Rosport, Luxembourg
Average temperature in December
Rosport, Luxembourg
  • Average high temperature in December: 4.4°C

The warmest months (with the highest average high temperature) are July and August (22.8°C).
The month with the lowest average high temperature is January (2.9°C).

  • Average low temperature in December: 0°C

The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).

Average pressure in December - Rosport, Luxembourg
Average pressure in December
Rosport, 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 (1014.2mbar).

Average wind speed in December - Rosport, Luxembourg
Average wind speed in December
Rosport, Luxembourg
  • Average wind speed in December: 13.6km/h

The windiest month (with the highest average wind speed) is February (14km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).

Average humidity in December - Rosport, Luxembourg
Average humidity in December
Rosport, 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 (75%).

Average rainfall in December - Rosport, Luxembourg
Average rainfall in December
Rosport, Luxembourg
  • Average rainfall in December: 33mm

The wettest month (with the highest rainfall) is December (33mm).
The driest month (with the least rainfall) is April (18mm).

Average rainfall days in December - Rosport, Luxembourg
Average rainfall days in December
Rosport, Luxembourg
  • Average rainfall days in December: 12.8 days

The months with the highest number of rainy days are June, July and August (13.3 days).
The month with the least rainy days is February (9 days).

Average snowfall in December - Rosport, Luxembourg
Average snowfall in December
Rosport, Luxembourg
  • Average snowfall in December: 33mm

The month with the highest snowfall is December (33mm).
The months with the least snowfall are April, June, July, August, September and October (0mm).

Average snowfall days in December - Rosport, Luxembourg
Average snowfall days in December
Rosport, Luxembourg
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Rosport, Luxembourg
Average daylight in December /
Average sunshine in December
Rosport, Luxembourg
  • Average daylight in December: 8h and 1min

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: 3h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in December - Rosport, Luxembourg
Average sunshine days in December
Rosport, Luxembourg
  • Average sunshine days in December: 12.8 days

The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is December (12.8 days).

Average UV index in December - Rosport, Luxembourg
Average UV index in December
Rosport, 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 - Rosport, Luxembourg
Average cloud cover in December
Rosport, 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 36).

Average visibility in December - Rosport, Luxembourg
Average visibility in December
Rosport, Luxembourg
  • 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).

englishespañol中文
Share