Copenhagen
Denmark
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Copenhagen, Denmark

Ships docked in the Nyhavn District harbor of Copenhagen, Denmark, on a sunny morning
Ships docked in the Nyhavn District harbor of Copenhagen, Denmark, on a sunny morning
The first month of the winter, December, is still a cold month in Copenhagen, Denmark, with average temperature varying between -0.2°C (31.6°F) and 4.1°C (39.4°F).

Temperature

In December, the average high-temperature is relatively the same as in November - a cold 4.1°C (39.4°F). In Copenhagen, the average low-temperature is -0.2°C (31.6°F).

Humidity

The average relative humidity in December is 85%.

Rainfall

In Copenhagen, during 15.4 rainfall days, 46mm (1.8") of precipitation is typically accumulated. Throughout the year, in Copenhagen, there are 157.4 rainfall days, and 522.6mm (20.6") of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Copenhagen.

Sea temperature

In Copenhagen, the average seawater temperature is 5.6°C (42.1°F).
Note: Swimming in 5.6°C (42.1°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The month with the shortest days in Copenhagen is December, with an average of 7.1h of daylight.

Sunshine

December has the least sunshine of the year in Copenhagen, with an average of 1.2h of sunshine.

UV index

January and December, with an average maximum UV index of 0, are months with the lowest UV index in Copenhagen. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 0 interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Copenhagen?

In Copenhagen, Denmark, in December, the average high-temperature is 4.1°C (39.4°F), and the average low-temperature is -0.2°C (31.6°F).

What is the average humidity in December in Copenhagen?

In December, the average relative humidity in Copenhagen, Denmark, is 85%.

How much does it rain in Copenhagen in December?

In Copenhagen, in December, during 15.4 rainfall days, 46mm (1.8") of precipitation is typically accumulated.

How many days does it snow in December in Copenhagen?

In Copenhagen, during December, snow falls for 3.9 days.

How cold is the water in December in Copenhagen?

In Copenhagen, in December, the average water temperature is 5.6°C (42.1°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the month with the shortest days in Copenhagen?

December has the shortest days of the year in Copenhagen, with an average of 7.1h of daylight.

What is the average length of the day in December in Copenhagen?

In Copenhagen, the average length of the day in December is 7.1h.

What is the month with the least sunshine in Copenhagen?

December has the least sunshine of the year in Copenhagen, Denmark, with an average of 1.2h of sunshine.

How long on average sun shines in December in Copenhagen?

The average sunshine in December in Copenhagen, Denmark, is 1.2h.

When is the lowest UV index in Copenhagen?

January and December, with an average maximum UV index of 0, are months with the lowest UV index in Copenhagen.

What is the UV index intensity in December in Copenhagen?

In December, the average daily maximum UV index in Copenhagen is 0. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in December - Copenhagen, Denmark
  • Average high temperature in December: 4.1°C

The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (2.5°C).

  • Average low temperature in December: -0.2°C

The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is February (-1.9°C).

Average humidity in December - Copenhagen, Denmark
  • Average humidity in December: 85%

The month with the highest relative humidity is January (86%).
Months with the lowest relative humidity are May and June (72%).

Average rainfall in December - Copenhagen, Denmark
  • Average rainfall in December: 46mm

The wettest month (with the highest rainfall) is September (58.9mm).
The driest month (with the lowest rainfall) is February (22.7mm).

Average rainfall days in December - Copenhagen, Denmark
  • Average rainfall days in December: 15.4 days

Months with the highest number of rainy days are November and December (15.4 days).
The month with the lowest number of rainy days is May (10.8 days).

Average snowfall days in December - Copenhagen, Denmark
  • Average snowfall days in December: 3.9 days

The month with the highest number of snowfall days is January (5.9 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average sea temperature in December - Copenhagen, Denmark
  • Average sea temperature in December: 5.6°C

The best month for swimming (with the highest average sea temperature) is August (17.8°C).
The coldest month (with the lowest average sea temperature) is February (2.3°C).

Average daylight in December / Average sunshine in December - Copenhagen, Denmark
  • Average daylight in December: 7.1h

The month with the longest days is June (Average daylight: 17.4h).
The month with shortest days is December (Average daylight: 7.1h).

  • Average sunshine in December: 1.2h

The month with most sunshine is May (Average sunshine: 8.5h).
The month with least sunshine is December (Average sunshine: 1.2h).

Average UV index in December - Copenhagen, Denmark
  • Average UV index in December: 0

The month with the highest UV index is June (UV index 6).
Months with the lowest UV index are January and December (UV index 0).