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

January 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
January, like December, in Copenhagen, Denmark, is another cold winter month, with average temperature varying between -1.7°C (28.9°F) and 2.5°C (36.5°F).

Temperature

The coldest month is January, with an average high-temperature of 2.5°C (36.5°F) and an average low-temperature of -1.7°C (28.9°F).

Humidity

January is the most humid month in Copenhagen, with an average relative humidity of 86%.

Rainfall

In Copenhagen, it is raining for 14.9 days, with typically 37.3mm (1.5") of accumulated precipitation. In Copenhagen, during the entire year, the rain falls for 157.4 days and collects up to 522.6mm (20.6") of precipitation.

Snowfall

January through April, October through December are months with snowfall. January has the most snowfall days of the year. Snow falls for 5.9 days.

Sea temperature

In Copenhagen, the average seawater temperature is 2.7°C (36.9°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

In January, the average length of the day in Copenhagen is 7.8h.

Sunshine

In Copenhagen, the average sunshine is 1.5h.

UV index

January and December, with an average maximum UV index of 0, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to the UV radiation for average individuals.
The daily maximum UV index of 0 in January interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.

What is the coldest month in Copenhagen?

With an average high-temperature of 2.5°C (36.5°F) and an average low-temperature of -1.7°C (28.9°F), January is the coldest month in Copenhagen, Denmark.

What is the temperature in January in Copenhagen?

In Copenhagen, Denmark, in January, the average high-temperature is 2.5°C (36.5°F), and the average low-temperature is -1.7°C (28.9°F).

What is the most humid month in Copenhagen?

The most humid month is January, with an average relative humidity of 86%.

What is the average humidity in January in Copenhagen?

The average relative humidity in January in Copenhagen is 86%.

How much does it rain in Copenhagen in January?

In Copenhagen, in January, it is raining for 14.9 days, with typically 37.3mm (1.5") of accumulated precipitation.

How many days does it snow in January in Copenhagen?

In Copenhagen, during January, snow falls for 5.9 days.

When does it snow the most in Copenhagen?

The month with the most snowfall days in Copenhagen, Denmark, is January when snow falls for 5.9 days.

How cold is the water in January in Copenhagen?

In January, the average sea temperature in Copenhagen is 2.7°C (36.9°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

How many hours of daylight does Copenhagen have in January?

In Copenhagen, the average length of the day in January is 7.8h.

How long on average sun shines in January in Copenhagen?

The average sunshine in January in Copenhagen is 1.5h.

What are the months with the lowest UV index in Copenhagen?

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

How high is the UV index in January in Copenhagen?

In Copenhagen, the average daily maximum UV index in January is 0. A UV Index of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.
Average temperature in January - Copenhagen, Denmark
  • Average high temperature in January: 2.5°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 January: -1.7°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 January - Copenhagen, Denmark
  • Average humidity in January: 86%

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

Average rainfall in January - Copenhagen, Denmark
  • Average rainfall in January: 37.3mm

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 January - Copenhagen, Denmark
  • Average rainfall days in January: 14.9 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 January - Copenhagen, Denmark
  • Average snowfall days in January: 5.9 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 January - Copenhagen, Denmark
  • Average sea temperature in January: 2.7°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 January / Average sunshine in January - Copenhagen, Denmark
  • Average daylight in January: 7.8h

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 January: 1.5h

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 January - Copenhagen, Denmark
  • Average UV index in January: 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).