December weather forecast
Tärnsjö, Sweden

December

Weather in December

December, the first month of the winter in Tärnsjö, is still a cold month, with an average temperature fluctuating between -3.5°C (25.7°F) and 0.1°C (32.2°F).

Temperature

In Tärnsjö, the average high-temperature in December slightly decreases from a cold 4.1°C (39.4°F) in November to a still wintry 0.1°C (32.2°F). Night temperatures during December in Tärnsjö, Sweden, experience a slight downturn, averaging a subzero cold -3.5°C (25.7°F).

Humidity

In December, the average relative humidity is 90%.

Rainfall

In Tärnsjö, during December, the rain falls for 7.7 days and regularly aggregates up to 30mm (1.18") of precipitation. In Tärnsjö, during the entire year, the rain falls for 138.7 days and collects up to 389mm (15.31") of precipitation.

Snowfall

Months with snowfall in Tärnsjö, Sweden, are January through May, October through December. In December, in Tärnsjö, it is snowing for 11.1 days. Throughout December, 110mm (4.33") of snow is accumulated. Throughout the year, there are 58.6 snowfall days, and 587mm (23.11") of snow is accumulated.

Daylight

With an average of 6h and 0min of daylight, December has the shortest days of the year.
On the first day of December in Tärnsjö, sunrise is at 08:29 and sunset at 14:53. On the last day of the month, sunrise is at 08:55 and sunset at 14:54 CET.

Sunshine

With an average of 2.3h of sunshine, December has the least sunshine of the year in Tärnsjö, Sweden.

UV index

The average daily maximum UV index in December in Tärnsjö is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

How cold is December in Tärnsjö?
Tärnsjö in December has an average high-temperature of 0.1°C (32.2°F) and an average low-temperature of -3.5°C (25.7°F).
What is the average humidity in December in Tärnsjö?
In December, the average relative humidity in Tärnsjö, Sweden, is 90%.
How many days does it rain in December in Tärnsjö?
In Tärnsjö, Sweden, during December, the rain falls for 7.7 days and regularly aggregates up to 30mm (1.18") of precipitation.
How much does it snow in Tärnsjö in December?
In Tärnsjö, Sweden, during December, snow falls for 11.1 days and regularly aggregates up to 110mm (4.33") of snow.
What is the month with the shortest days in Tärnsjö?
The month with the shortest days in Tärnsjö, Sweden, is December, with an average of 6h and 0min of daylight.
What is the average length of the day in December in Tärnsjö?
The average day length in December in Tärnsjö, Sweden, is 5h and 59min.
What time are sunrise and sunset in December in Tärnsjö?
On the first day of December in Tärnsjö, sunrise is at 08:29 and sunset at 14:53. On the last day of the month, sunrise is at 08:55 and sunset at 14:54 CET.
What is the month with the least sunshine in Tärnsjö?
December has the least sunshine of the year, with an average of 2.3h of sunshine.
How many hours of sunshine does Tärnsjö have in December?
In December, the average sunshine duration in Tärnsjö is 2.3h.
How high is the UV index in December in Tärnsjö?
In Tärnsjö, Sweden, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Tärnsjö, Sweden
  • Average high temperature in December: 0.1°C

The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (-1.5°C).

  • Average low temperature in December: -3.5°C

The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).

Average pressure in December
Tärnsjö, Sweden
  • Average pressure in December: 1007.4mbar

The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).

Average wind speed in December
Tärnsjö, Sweden
  • Average wind speed in December: 12.4km/h

The windiest month (with the highest average wind speed) is December (12.4km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).

Average humidity in December
Tärnsjö, Sweden
  • Average humidity in December: 90%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (69%).

Average rainfall in December
Tärnsjö, Sweden
  • Average rainfall in December: 30mm

The wettest month (with the highest rainfall) is July (54mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in December
Tärnsjö, Sweden
  • Average rainfall days in December: 7.7 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (5.4 days).

Average snowfall in December
Tärnsjö, Sweden
  • Average snowfall in December: 110mm

The month with the highest snowfall is January (133mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Tärnsjö, Sweden
  • Average snowfall days in December: 11.1 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Tärnsjö, Sweden
  • Average daylight in December: 6h and 0min

The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).

  • Average sunshine in December: 2h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).

Average sunshine days in December
Tärnsjö, Sweden
  • Average sunshine days in December: 13.9 days

The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (10.4 days).

Average UV index in December
Tärnsjö, Sweden
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 1).

Average cloud cover in December
Tärnsjö, Sweden
  • Average cloud cover in December: 67

The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 44).

Average visibility in December
Tärnsjö, Sweden
  • Average visibility in December: 7km

The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February, March, November and December (7km).

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