January 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 January

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

Temperature

January is the coldest month, 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

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

Rainfall

In January, the rain falls for 14.9 days. Throughout January, 37.3mm (1.47") of precipitation is accumulated. Throughout the year, in Copenhagen, there are 157.4 rainfall days, and 522.6mm (20.57") of precipitation is accumulated.

Snowfall

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

Sea temperature

In Copenhagen, in January, the average water temperature is 2.7°C (36.9°F).
Note: For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

Daylight

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

Sunshine

In January, the average sunshine is 1.5h.

UV index

Months with the lowest UV index are January and December, with an average maximum UV index of 0. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 0 transform into the following instructions:
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

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.

What is the most humid month in Copenhagen?

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

What is the average humidity in January in Copenhagen?

In Copenhagen, Denmark, the average relative humidity in January is 86%.

How much does it rain in Copenhagen in January?

In Copenhagen, during January, the rain falls for 14.9 days and regularly aggregates up to 37.3mm (1.47") of precipitation.

When does it snow the most in Copenhagen?

The month with the most snowfall days is January when snow falls for 5.9 days.

How many days does it snow in January in Copenhagen?

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

What is the water temperature in January in Copenhagen?

In Copenhagen, in January, the average water temperature is 2.7°C (36.9°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

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

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

How many hours of sunshine does Copenhagen have in January?

The average sunshine in January in Copenhagen is 1.5h.

When is 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.

What is the UV index reading in January in Copenhagen?

In January, the average daily maximum UV index in Copenhagen, Denmark, is 0. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to the UV radiation.

Average temperature in January
Copenhagen, Denmark

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).

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Average humidity in January
Copenhagen, Denmark

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%).

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Average rainfall in January
Copenhagen, Denmark

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 least rainfall) is February (22.7mm).

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Average rainfall days in January
Copenhagen, Denmark

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 least rainy days is May (10.8 days).

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Average snowfall days in January
Copenhagen, Denmark

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

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Average sea temperature in January
Copenhagen, Denmark

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).

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

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

  • Average sunshine in January: 1.5h

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 January
Copenhagen, Denmark

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).

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