December weather forecastBettel, Luxembourg
December
Weather in December
December, the first month of the winter in Bettel, is also an icy month, with temperature in the range of an average low of -0.3°C (31.5°F) and an average high of 4.1°C (39.4°F).Temperature
The arrival of December corresponds with a light shift in temperature, down from a frosty 7.3°C (45.1°F) in November to an icy 4.1°C (39.4°F). Bettel records a consistent average nighttime temperature of -0.3°C (31.5°F) in December, slightly lower than the daytime high.Humidity
December is the most humid month in Bettel, with an average relative humidity of 93%.Rainfall
The month with the most rainfall in Bettel is December, when the rain falls for 15.4 days and typically aggregates up to 76mm (2.99") of precipitation.Snowfall
January through May, October through December are months with snowfall in Bettel, Luxembourg. In Bettel, during December, snow falls for 8.1 days and regularly aggregates up to 86mm (3.39") of snow. Throughout the year, there are 36.3 snowfall days, and 327mm (12.87") of snow is accumulated.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year in Bettel.On the first day of December in Bettel, sunrise is at 08:12 and sunset at 16:36. On the last day of the month, sunrise is at 08:33 and sunset at 16:43 CET.
Sunshine
With an average of 2.6h of sunshine, December has the least sunshine of the year in Bettel.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Bettel. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bettel, 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
Bettel, 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
Bettel, 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
Bettel, 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
Bettel, 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
Bettel, 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
Bettel, 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
Bettel, 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
Bettel, 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 36min
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
Bettel, 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
Bettel, 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
Bettel, 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
Bettel, 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).
