December weather forecast
Slagelse, Denmark

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Weather in December

December is the capstone month in Slagelse, ending the calendar year with the beginning of winter. The city is blanketed with the highest recorded snowfall of 40mm (1.57") spread across 6.6 days, bringing a snow-laden holiday season. When compared to the previous month, December offers more snow but colder temperatures, reinforcing the contrast yet bonding theme of the year's end and the new year's arrival. Celebratory lights twinkle brighter in the chilly winter nights, ensuring a beautiful end to the year.

Temperature

The transition to December in Slagelse results in a modest reduction in average high-temperature, moving from a chilly 7.5°C (45.5°F) in November to an icy 4.4°C (39.9°F). December nights reveal a minor deviation from daytime highs, with a mean low-temperature of 1.5°C (34.7°F).

Humidity

January, November and December, with an average relative humidity of 89%, are the most humid months in Slagelse.

Rainfall

In December, the rain falls for 13.5 days. Throughout December, 26mm (1.02") of precipitation is accumulated. Throughout the year, in Slagelse, there are 153.4 rainfall days, and 293mm (11.54") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Slagelse. December is the month with the most snowfall. Snow falls for 6.6 days and accumulates 40mm (1.57") of snow.

Daylight

December has the shortest days of the year in Slagelse, with an average of 7h and 12min of daylight.
On the first day of the month, sunrise is at 08:18 and sunset at 15:48. On the last day of December, in Slagelse, sunrise is at 08:41 and sunset at 15:53 CET.

Sunshine

January, February and December, with an average of 3h of sunshine, are months with the least sunshine.

UV index

In Slagelse, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To avoid the Sun's strongest rays, limit exposure around the mid-day period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

How cold is December in Slagelse?

December temperatures in Slagelse vary between a high-temperature of 4.4°C (39.9°F) and a low-temperature of 1.5°C (34.7°F).

What is the most humid month in Slagelse?

The months with the highest humidity in Slagelse, Denmark, are January, November and December, with an average relative humidity of 89%.

What is the average humidity in December in Slagelse?

In Slagelse, the average relative humidity in December is 89%.

How much does it rain in Slagelse in December?

In Slagelse, Denmark, during December, the rain falls for 13.5 days and regularly aggregates up to 26mm (1.02") of precipitation.

When does it snow the most in Slagelse?

December is the month with the most snowfall in Slagelse, Denmark. Snow falls for 6.6 days and accumulates 40mm (1.57") of snow.

How many days does it snow in December in Slagelse?

In December, it is snowing for 6.6 days. Throughout December, 40mm (1.57") of snow is accumulated.

What is the month with the shortest days in Slagelse?

With an average of 7h and 12min of daylight, December has the shortest days of the year in Slagelse, Denmark.

How many hours of daylight does Slagelse have in December?

In Slagelse, Denmark, the average day length in December is 7h and 12min.

When is the sunrise / sunset in December in Slagelse?

In December, on the first day of the month, sunrise is at 08:18 and sunset at 15:48. On the last day of the month, in Slagelse, sunrise is at 08:41 and sunset at 15:53 CET.

What is the month with the least sunshine in Slagelse?

The months with the least sunshine in Slagelse are January, February and December, with an average of 3h of sunshine.

How many hours of sunshine does Slagelse have in December?

In December, the average sunshine duration in Slagelse is 3h.

How high is the UV index in December in Slagelse?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Slagelse, Denmark

Average temperature in December - Slagelse, Denmark
  • Average high temperature in December: 4.4°C

The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (2.8°C).

  • Average low temperature in December: 1.5°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (-0.7°C).

Average pressure in December
Slagelse, Denmark

Average pressure in December - Slagelse, Denmark
  • Average pressure in December: 1011.3mbar

The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).

Average wind speed in December
Slagelse, Denmark

Average wind speed in December - Slagelse, Denmark
  • Average wind speed in December: 17.3km/h

The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).

Average humidity in December
Slagelse, Denmark

Average humidity in December - Slagelse, Denmark
  • Average humidity in December: 89%

The months with the highest relative humidity are January, November and December (89%).
The months with the lowest relative humidity are May and June (77%).

Average rainfall in December
Slagelse, Denmark

Average rainfall in December - Slagelse, Denmark
  • Average rainfall in December: 26mm

The wettest month (with the highest rainfall) is August (37mm).
The driest month (with the least rainfall) is April (10mm).

Average rainfall days in December
Slagelse, Denmark

Average rainfall days in December - Slagelse, Denmark
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is February (8.7 days).

Average snowfall in December
Slagelse, Denmark

Average snowfall in December - Slagelse, Denmark
  • Average snowfall in December: 40mm

The month with the highest snowfall is December (40mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Slagelse, Denmark

Average snowfall days in December - Slagelse, Denmark
  • Average snowfall days in December: 6.6 days

The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Slagelse, Denmark

Average daylight in December / Average sunshine in December - Slagelse, 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 12min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 0min).

Average sunshine days in December
Slagelse, Denmark

Average sunshine days in December - Slagelse, Denmark
  • Average sunshine days in December: 9.5 days

The month with the most sunshine days is April (17.1 days).
The month with the least sunshine days is December (9.5 days).

Average UV index in December
Slagelse, Denmark

Average UV index in December - Slagelse, Denmark
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in December
Slagelse, Denmark

Average cloud cover in December - Slagelse, Denmark
  • Average cloud cover in December: 72

The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 41).

Average visibility in December
Slagelse, Denmark

Average visibility in December - Slagelse, Denmark
  • Average visibility in December: 8km

The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, November and December (8km).

Slagelse, Denmark

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