December weather forecast and climate
Copenhagen, Denmark

Ships docked in the Nyhavn District harbor of Copenhagen, Denmark
Ships docked in the Nyhavn District harbor of Copenhagen, Denmark

Weather in December

The first month of the winter, December, is also a wintry month in Copenhagen, Denmark, with average temperature ranging between max 4.1°C (39.4°F) and min -0.2°C (31.6°F).

Temperature

In December, the average high-temperature is practically the same as in November - a cold 4.1°C (39.4°F). In Copenhagen, Denmark,, 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 (1.81") of precipitation is typically accumulated. In Copenhagen, during the entire year, the rain falls for 157.4 days and collects up to 522.6mm (20.57") of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In December, snow falls for 3.9 days. Throughout the year, there are 21.5 snowfall days.

Sea temperature

In Copenhagen, Denmark, in December, the average water temperature is 5.6°C (42.1°F).
Note: Swimming in 5.6°C (42.1°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

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

Sunshine

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

UV index

Months with the lowest UV index are January and December, with an average maximum UV index of 0. A UV Index estimate of 2, and below, represents a low threat to health from the exposure to the Sun's UV radiation for the average person.
Note: In December, the average maximum UV index of 0 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Copenhagen?

The average relative humidity in December is 85%.

How many days does it rain in December in Copenhagen?

In Copenhagen, Denmark, in December, it is raining for 15.4 days, with typically 46mm (1.81") of accumulated precipitation.

How many days does it snow in December in Copenhagen?

In December, in Copenhagen, Denmark, snow falls for 3.9 days.

What is the sea water temperature in December in Copenhagen?

In Copenhagen, Denmark, in December, the average water temperature is 5.6°C (42.1°F). Swimming in 5.6°C (42.1°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the month with the shortest days in Copenhagen?

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

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

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

What is the month with the least sunshine in Copenhagen?

With an average of 1.2h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Copenhagen have in December?

In Copenhagen, the average sunshine in December is 1.2h.

When is the lowest UV index in Copenhagen?

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

What is the UV index reading in December in Copenhagen?

In Copenhagen, Denmark, the average daily maximum UV index in December is 0. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to the UV radiation.

Average temperature in December
Copenhagen, Denmark

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).

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Average humidity in December
Copenhagen, Denmark

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%).

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Average rainfall in December
Copenhagen, Denmark

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 least rainfall) is February (22.7mm).

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Average rainfall days in December
Copenhagen, Denmark

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 least rainy days is May (10.8 days).

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Average snowfall days in December
Copenhagen, Denmark

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 least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in December
Copenhagen, Denmark

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).

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

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 the shortest days is December (Average daylight: 7.1h).

  • Average sunshine in December: 1.2h

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

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Average UV index in December
Copenhagen, Denmark

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).

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