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 implies a soft temperature shift, with average high-temperatures reducing from November's chilly 8.2°C (46.8°F) to a cold 4.5°C (40.1°F). The temperature in Altefähr during December experiences a small drop from daytime peaks, recording an average of 1.8°C (35.2°F) at night.Humidity
With an average relative humidity of 87%, December is the most humid month.Rainfall
In December, the rain falls for 14.9 days. Throughout December, 33mm (1.3") of precipitation is accumulated. Throughout the year, there are 171.4 rainfall days, and 410mm (16.14") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Altefähr, in December, snow falls for 4.6 days, with typically accumulated 22mm (0.87") of snow. In Altefähr, during the entire year, snow falls for 26.4 days and aggregates up to 117mm (4.61") of snow.Sea temperature
In Altefähr, in December, the average water temperature is 5.8°C (42.4°F).Note: Diving into 5.8°C (42.4°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
December has the shortest days of the year, with an average of 7h and 24min of daylight.On the first day of the month, sunrise is at 08:05 and sunset at 15:47. On the last day of December, sunrise is at 08:28 and sunset at 15:53 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.1h of sunshine.UV index
The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during December translates into the following guidance:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold is it in Altefähr in December?
What is the most humid month in Altefähr?
What is the average humidity in December in Altefähr?
How many days does it rain in December in Altefähr?
How many days does it snow in December in Altefähr?
How cold is the water in December in Altefähr?
What is the month with the shortest days in Altefähr?
What is the average length of the day in December in Altefähr?
What time are sunrise and sunset in December in Altefähr?
What is the month with the least sunshine in Altefähr?
How many hours of sunshine does Altefähr have in December?
What is the UV index intensity in December in Altefähr?
Average temperature in December
Altefähr, Germany
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in December: 1.8°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (0.1°C).
Average pressure in December
Altefähr, Germany
- Average pressure in December: 1012.8mbar
The month with the highest atmospheric pressure is September (1016.1mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in December
Altefähr, Germany
- Average wind speed in December: 23.9km/h
The windiest month (with the highest average wind speed) is December (23.9km/h).
The calmest month (with the lowest average wind speed) is August (16.5km/h).
Average humidity in December
Altefähr, Germany
- Average humidity in December: 87%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Altefähr, Germany
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is August (61mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Altefähr, Germany
- Average rainfall days in December: 14.9 days
The month with the highest number of rainy days is August (18.2 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in December
Altefähr, Germany
- Average snowfall in December: 22mm
The month with the highest snowfall is January (32mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Altefähr, Germany
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Altefähr, Germany
- Average sea temperature in December: 5.8°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 (2.6°C).
Average daylight in December /
Average sunshine in December
Altefähr, Germany
- Average daylight in December: 7h and 2min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Altefähr, Germany
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is August (9.1 days).
Average UV index in December
Altefähr, Germany
- 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
Altefähr, Germany
- Average cloud cover in December: 69
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Altefähr, Germany
- 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).
Altefähr, Germany
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