Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December brings a slight decrease in the average high-temperature, shifting from a chilly 8.5°C (47.3°F) in November to an icy 5.3°C (41.5°F). During December's nights, Marstal notes a minor temperature decline, reaching an average of 3.4°C (38.1°F).Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 86%.Rainfall
In Marstal, in December, it is raining for 15.3 days, with typically 34mm (1.34") of accumulated precipitation. Throughout the year, there are 174.7 rainfall days, and 493mm (19.41") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Marstal. In December, in Marstal, it is snowing for 3.1 days. Throughout December, 15mm (0.59") of snow is accumulated. In Marstal, during the entire year, snow falls for 18.3 days and aggregates up to 74mm (2.91") of snow.Sea temperature
In December, the average sea temperature is 4.8°C (40.6°F).Note: During swimming events, this situation presents an imminent life risk. Instantaneous loss of breath control makes clear thinking a near impossibility. A specialized swimsuit is compulsory to limit thermal dissipation.
Daylight
December has the shortest days of the year, with an average of 7h and 18min of daylight.On the first day of the month, sunrise is at 08:18 and sunset at 15:55. On the last day of December, sunrise is at 08:41 and sunset at 16:00 CET.
Sunshine
With an average of 3.2h of sunshine, December has the least sunshine of the year in Marstal.UV index
The average daily maximum UV index in December in Marstal is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the UV index of 2 transforms into the following advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. When the Sun is at its strongest around midday, find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
How cold is December in Marstal?
What is the most humid month in Marstal?
What is the average humidity in December in Marstal?
How many days does it rain in December in Marstal?
How many days does it snow in December in Marstal?
What is the water temperature in December in Marstal?
What is the month with the shortest days in Marstal?
What is the average length of the day in December in Marstal?
When is the sunrise / sunset in December in Marstal?
What is the month with the least sunshine in Marstal?
How long on average sun shines in December in Marstal?
What is the UV index intensity in December in Marstal?
Average temperature in December
Marstal, Denmark
- Average high temperature in December: 5.3°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 December: 3.4°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 December
Marstal, Denmark
- Average pressure in December: 1011.6mbar
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 December
Marstal, Denmark
- Average wind speed in December: 26.4km/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 December
Marstal, Denmark
- Average humidity in December: 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 December
Marstal, Denmark
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is July (64mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in December
Marstal, Denmark
- Average rainfall days in December: 15.3 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 December
Marstal, Denmark
- Average snowfall in December: 15mm
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 December
Marstal, Denmark
- Average snowfall days in December: 3.1 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 December
Marstal, Denmark
- Average sea temperature in December: 4.8°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 December /
Average sunshine in December
Marstal, Denmark
- Average daylight in December: 7h and 2min
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 December: 3h and 1min
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 December
Marstal, Denmark
- Average sunshine days in December: 10 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 December
Marstal, Denmark
- Average UV index in December: 2
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 December
Marstal, Denmark
- Average cloud cover in December: 70
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 December
Marstal, Denmark
- Average visibility in December: 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).
Marstal, Denmark
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