December weather forecast
Järnforsen, Sweden

December

Weather in December

December, the first month of the winter in Järnforsen, is still a cold month, with an average temperature ranging between min -1.7°C (28.9°F) and max 1.6°C (34.9°F).

Temperature

Järnforsen's progression into December involves a gentle drop in the average high-temperature, from 5.1°C (41.2°F) in November to a still cold 1.6°C (34.9°F). Night temperatures during December in Järnforsen stabilize at an average of -1.7°C (28.9°F), closely mirroring the daytime temperatures.

Humidity

January, February, November and December, with an average relative humidity of 90%, are the most humid months.

Rainfall

In Järnforsen, in December, it is raining for 10 days, with typically 24mm (0.94") of accumulated precipitation. In Järnforsen, during the entire year, the rain falls for 137 days and collects up to 327mm (12.87") of precipitation.

Snowfall

Months with snowfall in Järnforsen are January through May, October through December. In Järnforsen, in December, during 8.9 snowfall days, 81mm (3.19") of snow is typically accumulated. Throughout the year, in Järnforsen, Sweden, there are 48.8 snowfall days, and 380mm (14.96") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 6h and 42min of daylight.
On the first day of the month, sunrise is at 08:14 and sunset at 15:19. On the last day of December, sunrise is at 08:38 and sunset at 15:22 CET.

Sunshine

The average sunshine in December in Järnforsen is 3.1h.

UV index

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Frequently asked questions

How cold is December in Järnforsen?
In Järnforsen, 1.6°C (34.9°F) is the average high-temperature and -1.7°C (28.9°F) is the average low-temperature during December.
What are the most humid months in Järnforsen?
The months with the highest humidity in Järnforsen, Sweden, are January, February, November and December, with an average relative humidity of 90%.
What is the average humidity in December in Järnforsen?
In Järnforsen, Sweden, the average relative humidity in December is 90%.
How many days does it rain in December in Järnforsen?
In December, in Järnforsen, the rain falls for 10 days. Throughout December, 24mm (0.94") of precipitation is accumulated.
How many days does it snow in December in Järnforsen?
In Järnforsen, Sweden, in December, during 8.9 snowfall days, 81mm (3.19") of snow is typically accumulated.
What is the month with the shortest days in Järnforsen?
The month with the shortest days in Järnforsen, Sweden, is December, with an average of 6h and 42min of daylight.
What is the average length of the day in December in Järnforsen?
In December, the average day length is 6h and 45min.
When are sunrise and sunset in December in Järnforsen?
In December, on the first day of the month, sunrise is at 08:14 and sunset at 15:19. On the last day of the month, in Järnforsen, sunrise is at 08:38 and sunset at 15:22 CET.
How long on average sun shines in December in Järnforsen?
The average sunshine duration in December in Järnforsen, Sweden, is 3.1h.
How high is the UV index in December in Järnforsen?
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Järnforsen, Sweden
  • Average high temperature in December: 1.6°C

The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (0.3°C).

  • Average low temperature in December: -1.7°C

The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).

Average pressure in December
Järnforsen, Sweden
  • Average pressure in December: 1009.6mbar

The months with the highest atmospheric pressure are April and May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.6mbar).

Average wind speed in December
Järnforsen, Sweden
  • Average wind speed in December: 14.1km/h

The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).

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

The months with the highest relative humidity are January, February, November and December (90%).
The month with the lowest relative humidity is May (69%).

Average rainfall in December
Järnforsen, Sweden
  • Average rainfall in December: 24mm

The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is April (11mm).

Average rainfall days in December
Järnforsen, Sweden
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (6.4 days).

Average snowfall in December
Järnforsen, Sweden
  • Average snowfall in December: 81mm

The month with the highest snowfall is February (98mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Järnforsen, Sweden
  • Average snowfall days in December: 8.9 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Järnforsen, Sweden
  • Average daylight in December: 6h and 4min

The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).

  • 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 February (Average sunshine: 2h and 54min).

Average sunshine days in December
Järnforsen, Sweden
  • Average sunshine days in December: 13 days

The month with the most sunshine days is April (17.3 days).
The month with the least sunshine days is February (11.8 days).

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

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

Average cloud cover in December
Järnforsen, Sweden
  • Average cloud cover in December: 70

The month with the most cloud cover is February (Cloud cover 71).
The months with the least cloud cover are June and August (Cloud cover 42).

Average visibility in December
Järnforsen, Sweden
  • Average visibility in December: 8km

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

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