Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December signals a slight drop in average high-temperature, sliding from November's frosty 8°C (46.4°F) to an icy 4.5°C (40.1°F). Roeser's December nights demonstrate minimal variation from the daytime temperatures, with an average of 0.5°C (32.9°F).Humidity
December is the most humid month, with an average relative humidity of 91%.Rainfall
December is the month with the most rainfall. Rain falls for 17 days and accumulates 75mm (2.95") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Roeser, in December, snow falls for 7.7 days, with typically accumulated 84mm (3.31") of snow. In Roeser, during the entire year, snow falls for 32.5 days and aggregates up to 279mm (10.98") of snow.Daylight
December has the shortest days of the year in Roeser, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:10 and sunset at 16:38. On the last day of December, sunrise is at 08:31 and sunset at 16:45 CET.
Sunshine
December has the least sunshine of the year in Roeser, Luxembourg, with an average of 2.9h of sunshine.UV index
The months with the lowest UV index in Roeser are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
Is December cold in Roeser?
What is the most humid month in Roeser?
What is the average humidity in December in Roeser?
What is the rainiest month in Roeser?
How much does it rain in Roeser in December?
How many days does it snow in December in Roeser?
What is the month with the shortest days in Roeser?
What is the average length of the day in December in Roeser?
When are sunrise and sunset in December in Roeser?
What is the month with the least sunshine in Roeser?
How many hours of sunshine does Roeser have in December?
What is the month with the lowest UV index in Roeser?
What is the UV index reading in December in Roeser?
Average temperature in December
Roeser, Luxembourg
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in December: 0.5°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).
Average pressure in December
Roeser, Luxembourg
- Average pressure in December: 1018.4mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in December
Roeser, Luxembourg
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in December
Roeser, 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
Roeser, Luxembourg
- Average rainfall in December: 75mm
The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is April (39mm).
Average rainfall days in December
Roeser, Luxembourg
- Average rainfall days in December: 17 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (12.5 days).
Average snowfall in December
Roeser, Luxembourg
- Average snowfall in December: 84mm
The month with the highest snowfall is January (85mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Roeser, Luxembourg
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Roeser, Luxembourg
- Average daylight in December: 8h and 1min
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: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Roeser, Luxembourg
- Average sunshine days in December: 8 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8 days).
Average UV index in December
Roeser, 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
Roeser, Luxembourg
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Roeser, Luxembourg
- Average visibility in December: 7km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are November and December (7km).
Roeser, Luxembourg
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