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 sea temperature 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 is characterized by a slight reduction in average high-temperature, easing from a frosty 7.6°C in November to a wintry 4.5°C. In Roskilde, the December nights are characterized by an average low-temperature of 1.8°C, a minor dip from daytime readings.Humidity
January, November and December, with an average relative humidity of 88%, are the most humid months in Roskilde.Rainfall
In Roskilde, in December, it is raining for 13.4 days, with typically 26mm of accumulated precipitation. Throughout the year, in Roskilde, Denmark, there are 166.6 rainfall days, and 341mm of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Roskilde. In Roskilde, in December, snow falls for 5.5 days, with typically accumulated 25mm of snow. Throughout the year, in Roskilde, there are 26.6 snowfall days, and 122mm of snow is accumulated.Sea temperature
In December, the average sea temperature in Roskilde is 5.1°C.Note: Diving into 5.1°C when it's under 10°C can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
With an average of 7h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:15 and sunset at 15:45. On the last day of December, in Roskilde, sunrise is at 08:40 and sunset at 15:48 CET.
Sunshine
December has the least sunshine of the year, with an average of 3h of sunshine.UV index
In Roskilde, Denmark, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
FAQ
How cold does it get in Roskilde in December?
What is the most humid month in Roskilde?
What is the average humidity in December in Roskilde?
How much does it rain in Roskilde in December?
How much does it snow in Roskilde in December?
How cold is the water in December in Roskilde?
What is the month with the shortest days in Roskilde?
What is the average length of the day in December in Roskilde?
What time are sunrise and sunset in December in Roskilde?
What is the month with the least sunshine in Roskilde?
How long on average sun shines in December in Roskilde?
What is the UV index reading in December in Roskilde?
Average temperature in December
Roskilde, Denmark
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The months with the lowest average high temperature are January and February (2.8°C).
- Average low temperature in December: 1.8°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (-0.6°C).
Average pressure in December
Roskilde, Denmark
- Average pressure in December: 1011.2mbar
The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in December
Roskilde, Denmark
- Average wind speed in December: 19.1km/h
The windiest month (with the highest average wind speed) is December (19.1km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in December
Roskilde, Denmark
- Average humidity in December: 88%
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April, May, June and July (77%).
Average rainfall in December
Roskilde, Denmark
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is August (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Roskilde, Denmark
- Average rainfall days in December: 13.4 days
The months with the highest number of rainy days are July and August (16.9 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in December
Roskilde, Denmark
- Average snowfall in December: 25mm
The month with the highest snowfall is February (35mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Roskilde, Denmark
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Roskilde, Denmark
- Average sea temperature in December: 5.1°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is February (2.1°C).
Average daylight in December /
Average sunshine in December
Roskilde, Denmark
- Average daylight in December: 7h and 1min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in December
Roskilde, Denmark
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is August (9.8 days).
Average UV index in December
Roskilde, Denmark
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Roskilde, Denmark
- 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 39).
Average visibility in December
Roskilde, Denmark
- Average visibility in December: 9km
The months with the highest visibility are April, June, August and September (10km).
The months with the lowest visibility are January, February, March, May, July, October, November and December (9km).
Roskilde, Denmark
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