January weather forecast and climate
Aarhus, Denmark

Weather in January

January, the same as December, is another cold winter month in Aarhus, Denmark, with average temperature varying between 3.1°C (37.6°F) and 0.9°C (33.6°F).

Temperature

In Aarhus, the average high-temperature is relatively the same as in December - a still wintry 3.1°C (37.6°F). The average low-temperature, in Aarhus, Denmark, is 0.9°C (33.6°F).

Humidity

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

Rainfall

In Aarhus, during January, the rain falls for 9.3 days and regularly aggregates up to 20mm (0.79") of precipitation. Throughout the year, there are 142.6 rainfall days, and 304mm (11.97") of precipitation is accumulated.

Snowfall

Months with snowfall in Aarhus are January through April, October through December. The month with the most snowfall in Aarhus is January when snow falls for 8.2 days and typically aggregates up to 32mm (1.26") of snow.

Sea temperature

In January, the average sea temperature in Aarhus is 3.2°C (37.8°F).
Note: 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.

Daylight

In Aarhus, the average length of the day is 7.7h.

Sunshine

In January, the average sunshine in Aarhus is 3.3h.

UV index

January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 1 interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in January in Aarhus?

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

How much does it rain in Aarhus in January?

In Aarhus, in January, it is raining for 9.3 days, with typically 20mm (0.79") of accumulated precipitation.

What is the snowiest month in Aarhus?

The month with the most snowfall in Aarhus is January when snow falls for 8.2 days and typically aggregates up to 32mm (1.26") of snow.

How much does it snow in Aarhus in January?

In Aarhus, in January, during 8.2 snowfall days, 32mm (1.26") of snow is typically accumulated.

What is the sea temperature in January in Aarhus?

In January, the average sea temperature in Aarhus, Denmark, is 3.2°C (37.8°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 Aarhus have in January?

In Aarhus, Denmark, the average length of the day in January is 7.7h.

How long on average sun shines in January in Aarhus?

The average sunshine in January in Aarhus is 3.3h.

What is the month with the lowest UV index in Aarhus?

The month with the lowest UV index is January, with an average maximum UV index of 1.

How high is the UV index in January in Aarhus?

The average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to the Sun's UV rays.

Average temperature in January
Aarhus, Denmark

Average temperature in January - Aarhus, Denmark
  • Average high temperature in January: 3.1°C

The warmest month (with the highest average high temperature) is July (20.2°C).
The month with the lowest average high temperature is February (3°C).

  • Average low temperature in January: 0.9°C

The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).

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Average pressure in January
Aarhus, Denmark

Average pressure in January - Aarhus, Denmark
  • Average pressure in January: 1011.9mbar

The month with the highest atmospheric pressure is April (1015.4mbar).
The month with the lowest atmospheric pressure is December (1010.2mbar).

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Average wind speed in January
Aarhus, Denmark

Average wind speed in January - Aarhus, Denmark
  • Average wind speed in January: 20.2km/h

The windiest month (with the highest average wind speed) is December (20.6km/h).
The calmest month (with the lowest average wind speed) is July (15.2km/h).

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Average humidity in January
Aarhus, Denmark

Average humidity in January - Aarhus, Denmark
  • Average humidity in January: 86%

The month with the highest relative humidity is December (87%).
Months with the lowest relative humidity are April and May (75%).

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Average rainfall in January
Aarhus, Denmark

Average rainfall in January - Aarhus, Denmark
  • Average rainfall in January: 20mm

The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (16mm).

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Average rainfall days in January
Aarhus, Denmark

Average rainfall days in January - Aarhus, Denmark
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (8.1 days).

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Average snowfall in January
Aarhus, Denmark

Average snowfall in January - Aarhus, Denmark
  • Average snowfall in January: 32mm

The month with the highest snowfall is January (32mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in January
Aarhus, Denmark

Average snowfall days in January - Aarhus, Denmark
  • Average snowfall days in January: 8.2 days

Months with the highest number of snowfall days are January and February (8.2 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
Aarhus, Denmark

Average sea temperature in January - Aarhus, Denmark
  • Average sea temperature in January: 3.2°C

The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest month (with the lowest average sea temperature) is March (3°C).

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

Average daylight in January / Average sunshine in January - Aarhus, Denmark
  • Average daylight in January: 7.7h

The month with the longest days is June (Average daylight: 17.6h).
The month with the shortest days is December (Average daylight: 7h).

  • Average sunshine in January: 3.3h

The month with the most sunshine is June (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 3.2h).

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Average sunshine days in January
Aarhus, Denmark

Average sunshine days in January - Aarhus, Denmark
  • Average sunshine days in January: 13.7 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (10.9 days).

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Average UV index in January
Aarhus, Denmark

Average UV index in January - Aarhus, Denmark
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in January
Aarhus, Denmark

Average cloud cover in January - Aarhus, Denmark
  • Average cloud cover in January: 67

The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 40).

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Average visibility in January
Aarhus, Denmark

Average visibility in January - Aarhus, Denmark
  • Average visibility in January: 9km

Months with the highest visibility are April, May, June, July, August and September (10km).
Months with the lowest visibility are January, February, March, October, November and December (9km).

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