January weather forecastSønderborg, Denmark

January

Weather in January

As the year commences in Sønderborg, Denmark, a distinct chill permeates the local climate. January remains the coldest month, with temperatures ranging from 1°C (33.8°F) to 3.3°C (37.9°F). It heralds its presence as freezing temperatures couple with significant snowfall of 16mm (0.63"), making it common for residents to witness a frost-kissed cityscape. Moreover, the relatively shorter duration of daylight hours emphasizes that winter has truly set in. Despite the cold and long nights, Sønderborg manages to maintain its charm under the twinkling winter stars.

Temperature

Sønderborg's coldest month, January, generally records average temperatures ranging from a high of 3.3°C (37.9°F) to a low of 1°C (33.8°F).

Humidity

January and December, with an average relative humidity of 87%, are the most humid months.

Rainfall

In January, the rain falls for 11.7 days. Throughout January, 21mm (0.83") of precipitation is accumulated. In Sønderborg, Denmark, during the entire year, the rain falls for 153.2 days and collects up to 268mm (10.55") of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Sønderborg, in January, snow falls for 5.3 days, with typically accumulated 16mm (0.63") of snow. Throughout the year, there are 19.3 snowfall days, and 54mm (2.13") of snow is accumulated.

Sea temperature

In Sønderborg, in January, the average water temperature is 2°C (35.6°F).
Note: While swimming, this is identified as life-endangering and very dangerous. The water's freezing temperatures cause intense discomfort and induce rapid hyperventilation. A specialized swimsuit is mandatory to mitigate thermal damage.

Daylight

In Sønderborg, the average length of the day in January is 7h and 55min.
On the first day of January, sunrise is at 08:45 and sunset at 16:03. On the last day of the month, sunrise is at 08:13 and sunset at 16:54 CET.

Sunshine

In January, the average sunshine is 3.3h.

UV index

With an average maximum UV index of 1, January is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, a daily UV index of 1 turns into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Updated: Jul 17, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The lowest temperatures are recorded in January, with averages reaching a high of 3.3°C (37.9°F) and a low of 1°C (33.8°F).

The average high-temperature and low-temperature during January are 3.3°C (37.9°F) and 1°C (33.8°F) respectively.

The months with the highest humidity are January and December, with an average relative humidity of 87%.

In Sønderborg, the average relative humidity in January is 87%.

In January, the rain falls for 11.7 days. Throughout January, 21mm (0.83") of precipitation is accumulated.

In Sønderborg, in January, during 5.3 snowfall days, 16mm (0.63") of snow is typically accumulated.

In Sønderborg, in January, the average water temperature is 2°C (35.6°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

The average day length in January is 7h and 55min.

In January, on the first day of the month, sunrise is at 08:45 and sunset at 16:03. On the last day of the month, sunrise is at 08:13 and sunset at 16:54 CET.

In January, the average sunshine duration is 3.3h.

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

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

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

5.3°C

3.3°C

3.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

23.7km/h

22.6km/h

21.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

4.3

5.3

6.5

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

9.9

12.5

12.2

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Sønderborg, Denmark

Average high temperature in January: 3.3°C

The warmest month (with the highest average high temperature) is August (20.3°C).
The month with the lowest average high temperature is January (3.3°C).

Average low temperature in January: 1°C

The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (0.5°C).

Average pressure in January
Sønderborg, Denmark

Average pressure in January: 1012.8mbar

The months with the highest atmospheric pressure are April and May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).

Average wind speed in January
Sønderborg, Denmark

Average wind speed in January: 21.4km/h

The windiest month (with the highest average wind speed) is December (22.5km/h).
The calmest month (with the lowest average wind speed) is July (16.2km/h).

Average humidity in January
Sønderborg, Denmark

Average humidity in January: 87%

The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are April, May and August (77%).

Average rainfall in January
Sønderborg, Denmark

Average rainfall in January: 21mm

The wettest month (with the highest rainfall) is July (32mm).
The driest month (with the least rainfall) is April (12mm).

Average rainfall days in January
Sønderborg, Denmark

Average rainfall days in January: 11.7 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (9.4 days).

Average snowfall in January
Sønderborg, Denmark

Average snowfall in January: 16mm

The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in January
Sønderborg, Denmark

Average snowfall days in January: 5.3 days

The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in January
Sønderborg, Denmark

Average sea temperature in January: 2°C

The best month for swimming (with the highest average sea temperature) is August (18°C).
The coldest month (with the lowest average sea temperature) is February (1°C).

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

Average daylight in January: 7h and 54min

The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).

Average sunshine in January: 3h and 18min

The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).

Average sunshine days in January
Sønderborg, Denmark

Average sunshine days in January: 12.5 days

The month with the most sunshine days is April (17.1 days).
The month with the least sunshine days is December (9.9 days).

Average UV index in January
Sønderborg, 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).

Average cloud cover in January
Sønderborg, Denmark

Average cloud cover in January: 68

The months with the most cloud cover are February and December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 41).

Average visibility in January
Sønderborg, Denmark

Average visibility in January: 9km

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