December weather forecast
Bettendorf, Luxembourg

December

Weather in December

December, the first month of the winter in Bettendorf, is still a cold month, with an average temperature fluctuating between -0.3°C (31.5°F) and 4.1°C (39.4°F).

Temperature

December is marked by a subtle drop in average high-temperatures, transitioning from a frosty 7.3°C (45.1°F) in November to a cold 4.1°C (39.4°F). During December, Bettendorf's nighttime temperatures demonstrate a subtle cooling from daytime highs, stabilizing at a subzero cold -0.3°C (31.5°F).

Humidity

The most humid month in Bettendorf is December, with an average relative humidity of 93%.

Rainfall

December is the month with the most rainfall. Rain falls for 15.4 days and accumulates 76mm (2.99") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Bettendorf, Luxembourg, in December, during 8.1 snowfall days, 86mm (3.39") of snow is typically accumulated. Throughout the year, in Bettendorf, there are 36.3 snowfall days, and 327mm (12.87") of snow is accumulated.

Daylight

The month with the shortest days in Bettendorf is December, with an average of 8h and 12min of daylight.
On the first day of the month, sunrise is at 08:11 and sunset at 16:36. On the last day of December, in Bettendorf, Luxembourg, sunrise is at 08:32 and sunset at 16:43 CET.

Sunshine

With an average of 2.6h of sunshine, December has the least sunshine of the year in Bettendorf.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Bettendorf. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 2 during December translates into the following guidance:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

How cold does it get in Bettendorf in December?
In Bettendorf, 4.1°C (39.4°F) is the average high-temperature and -0.3°C (31.5°F) is the average low-temperature during December.
What is the most humid month in Bettendorf?
The most humid month in Bettendorf, Luxembourg, is December, with an average relative humidity of 93%.
What is the average humidity in December in Bettendorf?
In December, the average relative humidity in Bettendorf, Luxembourg, is 93%.
What is the wettest month in Bettendorf?
December is the month with the most rainfall in Bettendorf. Rain falls for 15.4 days and accumulates 76mm (2.99") of precipitation.
How much does it rain in Bettendorf in December?
In Bettendorf, during December, the rain falls for 15.4 days and regularly aggregates up to 76mm (2.99") of precipitation.
How many days does it snow in December in Bettendorf?
In Bettendorf, in December, snow falls for 8.1 days, with typically accumulated 86mm (3.39") of snow.
What is the month with the shortest days in Bettendorf?
The month with the shortest days in Bettendorf is December, with an average of 8h and 12min of daylight.
How many hours of daylight does Bettendorf have in December?
In Bettendorf, Luxembourg, the average day length in December is 8h and 11min.
When is the sunrise / sunset in December in Bettendorf?
On the first day of December in Bettendorf, Luxembourg, sunrise is at 08:11 and sunset at 16:36. On the last day of the month, sunrise is at 08:32 and sunset at 16:43 CET.
What is the month with the least sunshine in Bettendorf?
December has the least sunshine of the year in Bettendorf, with an average of 2.6h of sunshine.
How many hours of sunshine does Bettendorf have in December?
In Bettendorf, Luxembourg, the average sunshine duration in December is 2.6h.
What is the month with the lowest UV index in Bettendorf?
The months with the lowest UV index in Bettendorf, Luxembourg, are January through March, October through December, with an average maximum UV index of 2.
How high is the UV index in December in Bettendorf?
In Bettendorf, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Bettendorf, Luxembourg
  • Average high temperature in December: 4.1°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 (2.5°C).

  • Average low temperature in December: -0.3°C

The months with the highest average low temperature are July and August (11.1°C).
The coldest months (with the lowest average low temperature) are January and February (-1.8°C).

Average pressure in December
Bettendorf, Luxembourg
  • Average pressure in December: 1017.8mbar

The months with the highest atmospheric pressure are September and December (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).

Average wind speed in December
Bettendorf, 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 (10km/h).

Average humidity in December
Bettendorf, Luxembourg
  • Average humidity in December: 93%

The month with the highest relative humidity is December (93%).
The month with the lowest relative humidity is April (79%).

Average rainfall in December
Bettendorf, Luxembourg
  • Average rainfall in December: 76mm

The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is April (37mm).

Average rainfall days in December
Bettendorf, Luxembourg
  • Average rainfall days in December: 15.4 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (11.1 days).

Average snowfall in December
Bettendorf, Luxembourg
  • Average snowfall in December: 86mm

The month with the highest snowfall is February (90mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Bettendorf, Luxembourg
  • Average snowfall days in December: 8.1 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Bettendorf, 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: 2h and 4min

The month with the most sunshine is July (Average sunshine: 8h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).

Average sunshine days in December
Bettendorf, Luxembourg
  • Average sunshine days in December: 8.3 days

The month with the most sunshine days is September (13 days).
The month with the least sunshine days is June (7.2 days).

Average UV index in December
Bettendorf, 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
Bettendorf, Luxembourg
  • Average cloud cover in December: 76

The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 44).

Average visibility in December
Bettendorf, Luxembourg
  • Average visibility in December: 7km

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

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