December weather forecastRoder, Luxembourg

December

Weather in December

December, the first month of the winter in Roder, is still a cold month, with temperature in the range of an average low of -0.3°C (31.5°F) and an average high of 3.9°C (39°F).

Temperature

The transition into December subtly indicates a reduction in the average high-temperature, down to an icy 3.9°C (39°F) from November's chilly 7.3°C (45.1°F). Roder in December observes a slight diminution in temperature from daily highs, recording a low-temperature average of -0.3°C (31.5°F).

Humidity

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

Rainfall

The month with the most rainfall in Roder, Luxembourg, is December, when the rain falls for 13.3 days and typically aggregates up to 66mm (2.6") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Roder. In December, in Roder, 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

December has the shortest days of the year in Roder, with an average of 8h and 12min of daylight.
On the first day of December in Roder, Luxembourg, sunrise is at 08:13 and sunset at 16:36. On the last day of the month, sunrise is at 08:34 and sunset at 16:43 CET.

Sunshine

With an average of 2.7h of sunshine, December has the least sunshine of the year in Roder.

UV index

The months with the lowest UV index in Roder are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

During December, Roder experiences an average high-temperature of 3.9°C (39°F) and a low-temperature of -0.3°C (31.5°F).

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

The average relative humidity in December in Roder is 92%.

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

In Roder, in December, it is raining for 13.3 days, with typically 66mm (2.6") of accumulated precipitation.

In Roder, during December, snow falls for 7.3 days and regularly aggregates up to 88mm (3.46") of snow.

The month with the shortest days in Roder is December, with an average of 8h and 12min of daylight.

In Roder, Luxembourg, the average day length in December is 8h and 10min.

On the first day of December in Roder, Luxembourg, sunrise is at 08:13 and sunset at 16:36. On the last day of the month, sunrise is at 08:34 and sunset at 16:43 CET.

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

In December, the average sunshine duration in Roder is 2.7h.

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

The average daily maximum UV index in December in Roder, Luxembourg, is 2. A UV Index reading of 2, and below, represents 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
Roder, Luxembourg

  • 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).

Average pressure in December
Roder, Luxembourg

  • Average pressure in December: 1017.7mbar

The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).

Average wind speed in December
Roder, Luxembourg

  • 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).

Average humidity in December
Roder, Luxembourg

  • Average humidity in December: 92%

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

Average rainfall in December
Roder, Luxembourg

  • 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).

Average rainfall days in December
Roder, Luxembourg

  • Average rainfall days in December: 13.3 days

The 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).

Average snowfall in December
Roder, Luxembourg

  • Average snowfall in December: 88mm

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

Average snowfall days in December
Roder, Luxembourg

  • Average snowfall days in December: 7.3 days

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

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

  • Average daylight in December: 8h and 12min

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: 2h and 42min

The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).

Average sunshine days in December
Roder, Luxembourg

  • 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).

Average UV index in December
Roder, Luxembourg

  • Average UV index in December: 2

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

Average cloud cover in December
Roder, Luxembourg

  • 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).

Average visibility in December
Roder, Luxembourg

  • Average visibility in December: 7km

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