December weather forecastLassan, Germany

December

Weather in December

December, the first month of the winter in Lassan, is also an icy month, with temperature in the range of an average low of 1.2°C (34.2°F) and an average high of 4°C (39.2°F).

Temperature

December brings a slight decrease in the average high-temperature, shifting from a frosty 7.8°C (46°F) in November to an icy 4°C (39.2°F). Lassan's average low temperature, barely cooler than the daytime high, steadies at 1.2°C (34.2°F) during December.

Humidity

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

Rainfall

In Lassan, during December, the rain falls for 12 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, in Lassan, Germany, there are 151.9 rainfall days, and 396mm (15.59") of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Lassan, during December, snow falls for 4.8 days and regularly aggregates up to 20mm (0.79") of snow. Throughout the year, in Lassan, there are 19.9 snowfall days, and 99mm (3.9") of snow is accumulated.

Sea temperature

In December, the average sea temperature is 5.7°C (42.3°F).
Note: Diving into 5.7°C (42.3°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 30min of daylight.
On the first day of December in Lassan, sunrise is at 08:00 and sunset at 15:47. On the last day of the month, sunrise is at 08:23 and sunset at 15:52 CET.

Sunshine

The months with the least sunshine in Lassan are January and December, with an average of 3.2h of sunshine.

UV index

In Lassan, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. 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. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Updated: Feb 12, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in Lassan, is 4°C (39.2°F) and the average low-temperature is 1.2°C (34.2°F).

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

In December, the average relative humidity is 87%.

In Lassan, in December, it is raining for 12 days, with typically 30mm (1.18") of accumulated precipitation.

In December, it is snowing for 4.8 days. Throughout December, 20mm (0.79") of snow is accumulated.

In Lassan, Germany, the average seawater temperature in December is 5.7°C (42.3°F). Swimming in 5.7°C (42.3°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

With an average of 7h and 30min of daylight, December has the shortest days of the year in Lassan.

The average day length in December in Lassan, Germany, is 7h and 30min.

On the first day of December, sunrise is at 08:00 and sunset at 15:47. On the last day of the month, sunrise is at 08:23 and sunset at 15:52 CET.

January and December, with an average of 3.2h of sunshine, are months with the least sunshine in Lassan.

The average sunshine duration in December in Lassan is 3.2h.

In Lassan, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

7.8°C

4°C

2.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

18.5km/h

21km/h

19.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

1.4

4.8

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

12.5

12.4

15.3

Average UV index

Average cloud cover

58%

68%

Average visibility

9km

Average temperature in December
Lassan, Germany

Average high temperature in December: 4°C

The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (2.1°C).

Average low temperature in December: 1.2°C

The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).

Average pressure in December
Lassan, Germany

Average pressure in December: 1013.7mbar

The month with the highest atmospheric pressure is September (1016.4mbar).
The month with the lowest atmospheric pressure is November (1013mbar).

Average wind speed in December
Lassan, Germany

Average wind speed in December: 20km/h

The windiest month (with the highest average wind speed) is December (20km/h).
The calmest month (with the lowest average wind speed) is August (14.1km/h).

Average humidity in December
Lassan, Germany

Average humidity in December: 87%

The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (73%).

Average rainfall in December
Lassan, Germany

Average rainfall in December: 30mm

The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (12mm).

Average rainfall days in December
Lassan, Germany

Average rainfall days in December: 12 days

The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is February (7.4 days).

Average snowfall in December
Lassan, Germany

Average snowfall in December: 20mm

The month with the highest snowfall is January (27mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Lassan, Germany

Average snowfall days in December: 4.8 days

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

Average sea temperature in December
Lassan, Germany

Average sea temperature in December: 5.7°C

The best month for swimming (with the highest average sea temperature) is August (18.8°C).
The coldest months (with the lowest average sea temperature) are January, February and March (2.8°C).

Average daylight in December /
Average sunshine in December
Lassan, Germany

Average daylight in December: 7h and 30min

The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).

Average sunshine in December: 3h and 12min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).

Average sunshine days in December
Lassan, Germany

Average sunshine days in December: 12.4 days

The month with the most sunshine days is April (18.5 days).
The month with the least sunshine days is August (11.5 days).

Average UV index in December
Lassan, 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
Lassan, Germany

Average cloud cover in December: 68

The months with the most cloud cover are January and December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Lassan, Germany

Average visibility in December: 9km

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