January weather forecastMarstal, Denmark

January

Weather in January

January, like December, in Marstal, Denmark, is another cold winter month, with an average temperature ranging between max 3.3°C (37.9°F) and min 1.3°C (34.3°F).

Temperature

As Marstal transitions into January, the average high-temperature stands at a still icy 3.3°C (37.9°F), offering little variation from the preceding month. Marstal documents an average low-temperature of 1.3°C (34.3°F) for the nights of January.

Humidity

The months with the highest humidity in Marstal are January, February and December, with an average relative humidity of 86%.

Rainfall

In Marstal, during January, the rain falls for 11.8 days and regularly aggregates up to 36mm (1.42") of precipitation. In Marstal, during the entire year, the rain falls for 174.7 days and collects up to 493mm (19.41") of precipitation.

Snowfall

January through April, November and December are months with snowfall in Marstal. In January, it is snowing for 4.9 days. Throughout January, 21mm (0.83") of snow is accumulated. Throughout the year, in Marstal, there are 18.3 snowfall days, and 74mm (2.91") of snow is accumulated.

Sea temperature

With an average sea temperature of 2.3°C (36.1°F), January is the month with the coldest seawater.
Note: In swimming situations, this is a grave threat to life. The intense coldness of the water triggers extreme discomfort and rapid hyperventilation. A specialized swimsuit is required to mitigate thermal damage.

Daylight

In Marstal, the average length of the day in January is 7h and 56min.
On the first day of January, sunrise is at 08:41 and sunset at 16:00. On the last day of the month, sunrise is at 08:10 and sunset at 16:52 CET.

Sunshine

The average sunshine in January is 3.3h.

UV index

The month with the lowest UV index is January, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the maximum UV index of 1 suggests these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature in Marstal, Denmark, during January is 3.3°C (37.9°F) and the low-temperature is 1.3°C (34.3°F).

The months with the highest humidity are January, February and December, with an average relative humidity of 86%.

The average relative humidity in January is 86%.

In Marstal, in January, it is raining for 11.8 days, with typically 36mm (1.42") of accumulated precipitation.

In Marstal, Denmark, in January, snow falls for 4.9 days, with typically accumulated 21mm (0.83") of snow.

January is the month with the coldest seawater in Marstal, Denmark, with an average sea temperature of 2.3°C (36.1°F).

In Marstal, in January, the average water temperature is 2.3°C (36.1°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

In Marstal, Denmark, the average day length in January is 7h and 56min.

On the first day of January in Marstal, sunrise is at 08:41 and sunset at 16:00. On the last day of the month, sunrise is at 08:10 and sunset at 16:52 CET.

In January, the average sunshine duration in Marstal is 3.3h.

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

In Marstal, the average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents 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

2.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

27.7km/h

26km/h

25.1km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

3.1

4.9

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

12.4

11.5

Average UV index

Average cloud cover

70%

67%

Average visibility

9km

Average temperature in January
Marstal, Denmark

Average high temperature in January: 3.3°C

The warmest months (with the highest average high temperature) are July and August (19.8°C).
The month with the lowest average high temperature is February (2.9°C).

Average low temperature in January: 1.3°C

The month with the highest average low temperature is August (16°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).

Average pressure in January
Marstal, Denmark

Average pressure in January: 1012.9mbar

The months with the highest atmospheric pressure are April and May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).

Average wind speed in January
Marstal, Denmark

Average wind speed in January: 24.7km/h

The windiest month (with the highest average wind speed) is December (26.4km/h).
The calmest month (with the lowest average wind speed) is July (18.4km/h).

Average humidity in January
Marstal, Denmark

Average humidity in January: 86%

The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is August (77%).

Average rainfall in January
Marstal, Denmark

Average rainfall in January: 36mm

The wettest month (with the highest rainfall) is July (64mm).
The driest month (with the least rainfall) is April (16mm).

Average rainfall days in January
Marstal, Denmark

Average rainfall days in January: 11.8 days

The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (10 days).

Average snowfall in January
Marstal, Denmark

Average snowfall in January: 21mm

The month with the highest snowfall is February (22mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in January
Marstal, Denmark

Average snowfall days in January: 4.9 days

The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in January
Marstal, Denmark

Average sea temperature in January: 2.3°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 January (2.3°C).

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

Average daylight in January: 7h and 54min

The month with the longest days is June (Average daylight: 17h and 12min).
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 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

Average sunshine days in January
Marstal, Denmark

Average sunshine days in January: 12.4 days

The month with the most sunshine days is April (17.2 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in January
Marstal, Denmark

Average UV index in January: 1

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in January
Marstal, Denmark

Average cloud cover in January: 67

The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are June and August (Cloud cover 40).

Average visibility in January
Marstal, 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).