December weather forecast
Mosjøen, Norway

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Weather in December

December, the first month of the winter in Mosjøen, is still a freezing cold month, with an average temperature fluctuating between -3.1°C (26.4°F) and -7°C (19.4°F).

Temperature

December brings an average high-temperature of a still subzero cold -3.1°C (26.4°F), nearly identical to the preceding month. Mosjøen's nighttime temperatures in December display a slight drop from daytime highs, averaging to a still freezing cold -7°C (19.4°F).

Humidity

In December, the average relative humidity in Mosjøen is 87%.

Rainfall

In Mosjøen, during December, the rain falls for 6.5 days and regularly aggregates up to 95mm (3.74") of precipitation. In Mosjøen, Norway, during the entire year, the rain falls for 141.5 days and collects up to 979mm (38.54") of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In Mosjøen, in December, snow falls for 17.5 days, with typically accumulated 289mm (11.38") of snow. Throughout the year, there are 116.8 snowfall days, and 2443mm (96.18") of snow is accumulated.

Sea temperature

In December, the average sea temperature in Mosjøen is 6.6°C (43.9°F).
Note: In 6.6°C (43.9°F), even brief exposure to 13°C (55.4°F) feels biting, and anything less than 10°C (50°F) risks cold shock and impaired breathing, considering one's health.

Daylight

The month with the shortest days is December, with an average of 3h and 18min of daylight.
On the first day of December, sunrise is at 09:52 and sunset at 14:00. On the last day of the month, sunrise is at 10:31 and sunset at 13:49 CET.

Sunshine

December has the least sunshine of the year, with an average of 1.2h of sunshine.

UV index

The months with the lowest UV index in Mosjøen are February, March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a regular UV index of 1 translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. 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. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

How cold is it in Mosjøen in December?

The high-temperature in Mosjøen during December is -3.1°C (26.4°F) and the low-temperature is -7°C (19.4°F).

What is the average humidity in December in Mosjøen?

In Mosjøen, the average relative humidity in December is 87%.

How much does it rain in Mosjøen in December?

In Mosjøen, during December, the rain falls for 6.5 days and regularly aggregates up to 95mm (3.74") of precipitation.

How many days does it snow in December in Mosjøen?

In Mosjøen, Norway, during December, snow falls for 17.5 days and regularly aggregates up to 289mm (11.38") of snow.

What is the water temperature in December in Mosjøen?

In December, the average sea temperature in Mosjøen is 6.6°C (43.9°F). Swimming in 6.6°C (43.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Mosjøen?

The month with the shortest days in Mosjøen, Norway, is December, with an average of 3h and 18min of daylight.

How many hours of daylight does Mosjøen have in December?

In December, the average day length is 3h and 18min.

When is the sunrise / sunset in December in Mosjøen?

In December, on the first day of the month, sunrise is at 09:52 and sunset at 14:00. On the last day of the month, sunrise is at 10:31 and sunset at 13:49 CET.

What is the month with the least sunshine in Mosjøen?

With an average of 1.2h of sunshine, December has the least sunshine of the year in Mosjøen, Norway.

How long on average sun shines in December in Mosjøen?

The average sunshine duration in December in Mosjøen is 1.2h.

When is the lowest UV index in Mosjøen?

The months with the lowest UV index in Mosjøen are February, March, November and December, with an average maximum UV index of 1.

What is the UV index reading in December in Mosjøen?

In Mosjøen, Norway, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.

Average temperature in December
Mosjøen, Norway

Average temperature in December - Mosjøen, Norway
  • Average high temperature in December: -3.1°C

The warmest month (with the highest average high temperature) is July (15.4°C).
The month with the lowest average high temperature is January (-4.6°C).

  • Average low temperature in December: -7°C

The month with the highest average low temperature is July (9.2°C).
The coldest month (with the lowest average low temperature) is February (-9.4°C).

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Average pressure in December
Mosjøen, Norway

Average pressure in December - Mosjøen, Norway
  • Average pressure in December: 1002.6mbar

The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1002.6mbar).

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Average wind speed in December
Mosjøen, Norway

Average wind speed in December - Mosjøen, Norway
  • Average wind speed in December: 15.7km/h

The windiest month (with the highest average wind speed) is January (16.6km/h).
The calmest month (with the lowest average wind speed) is July (9.4km/h).

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Average humidity in December
Mosjøen, Norway

Average humidity in December - Mosjøen, Norway
  • Average humidity in December: 87%

The months with the highest relative humidity are February and April (90%).
The month with the lowest relative humidity is June (76%).

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Average rainfall in December
Mosjøen, Norway

Average rainfall in December - Mosjøen, Norway
  • Average rainfall in December: 95mm

The wettest month (with the highest rainfall) is March (112mm).
The driest month (with the least rainfall) is July (59mm).

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Average rainfall days in December
Mosjøen, Norway

Average rainfall days in December - Mosjøen, Norway
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is September (18.2 days).
The month with the least rainy days is February (4 days).

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Average snowfall in December
Mosjøen, Norway

Average snowfall in December - Mosjøen, Norway
  • Average snowfall in December: 289mm

The month with the highest snowfall is March (482mm).
The months with the least snowfall are July and August (0mm).

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Average snowfall days in December
Mosjøen, Norway

Average snowfall days in December - Mosjøen, Norway
  • Average snowfall days in December: 17.5 days

The month with the highest number of snowfall days is March (19.3 days).
The months with the least snowfall days are July and August (0 days).

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Average sea temperature in December
Mosjøen, Norway

Average sea temperature in December - Mosjøen, Norway
  • Average sea temperature in December: 6.6°C

The best month for swimming (with the highest average sea temperature) is July (13.9°C).
The coldest month (with the lowest average sea temperature) is March (3.9°C).

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Average daylight in December /
Average sunshine in December
Mosjøen, Norway

Average daylight in December / Average sunshine in December - Mosjøen, Norway
  • Average daylight in December: 3h and 2min

The month with the longest days is July (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 3h and 18min).

  • Average sunshine in December: 1h and 1min

The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).

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Average sunshine days in December
Mosjøen, Norway

Average sunshine days in December - Mosjøen, Norway
  • Average sunshine days in December: 10.7 days

The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is May (8.6 days).

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Average UV index in December
Mosjøen, Norway

Average UV index in December - Mosjøen, Norway
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February, March, November and December (UV index 1).

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Average cloud cover in December
Mosjøen, Norway

Average cloud cover in December - Mosjøen, Norway
  • Average cloud cover in December: 67

The month with the most cloud cover is March (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 57).

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Average visibility in December
Mosjøen, Norway

Average visibility in December - Mosjøen, Norway
  • Average visibility in December: 9km

The months with the highest visibility are June, July, August, September, October, November and December (9km).
The month with the lowest visibility is April (7km).

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Mosjøen, Norway

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