December weather forecast and climate
Upernavik, Greenland

The first month of the winter, December, is still a extreme cold month in Upernavik, Greenland, with average temperature ranging between max -11.2°C (11.8°F) and min -16.1°C (3°F).

Temperature

In December, the average high-temperature is -11.2°C (11.8°F), and the average low-temperature is -16.1°C (3°F).

Rainfall

In Upernavik, Greenland, during December, the rain falls for 13 days and regularly aggregates up to 20mm (0.8") of precipitation. In Upernavik, during the entire year, the rain falls for 113 days and collects up to 251mm (9.9") of precipitation.

Sea temperature

In December, the average sea temperature in Upernavik is -1.1°C (30°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

With an average of 0h of daylight, December has the shortest days of the year.

Sunshine

Months with the least sunshine are January, November and December, with an average of 0h of sunshine.

UV index

Months with the lowest UV index in Upernavik are January through March, October through December, with an average maximum UV index of 0. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to the Sun's UV rays for average individuals.
In December, the average maximum UV index of 0 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in December in Upernavik?

In Upernavik, Greenland, in December, the average high-temperature is -11.2°C (11.8°F), and the average low-temperature is -16.1°C (3°F).

How much does it rain in Upernavik in December?

In Upernavik, Greenland, in December, it is raining for 13 days, with typically 20mm (0.8") of accumulated precipitation.

What is the sea temperature in December in Upernavik?

In Upernavik, in December, the average water temperature is -1.1°C (30°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the month with the shortest days in Upernavik?

December has the shortest days of the year in Upernavik, Greenland, with an average of 0h of daylight.

How many hours of daylight does Upernavik have in December?

In Upernavik, the average length of the day in December is 0h.

What is the month with the least sunshine in Upernavik?

January, November and December, with an average of 0h of sunshine, are months with the least sunshine.

How long on average sun shines in December in Upernavik?

In Upernavik, Greenland, the average sunshine in December is 0h.

What is the month with the lowest UV index in Upernavik?

January through March, October through December, with an average maximum UV index of 0, are months with the lowest UV index in Upernavik, Greenland.

What is the UV index intensity in December in Upernavik?

In Upernavik, Greenland, the average daily maximum UV index in December is 0. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in December - Upernavik, Greenland
  • Average high temperature in December: -11.2°C

The warmest month (with the highest average high temperature) is July (8°C).
The month with the lowest average high temperature is March (-16.4°C).

  • Average low temperature in December: -16.1°C

The month with the highest average low temperature is August (2.5°C).
The coldest month (with the lowest average low temperature) is March (-23.2°C).

Average rainfall in December - Upernavik, Greenland
  • Average rainfall in December: 20mm

The wettest month (with the highest rainfall) is September (38mm).
The driest month (with the lowest rainfall) is March (8mm).

Average rainfall days in December - Upernavik, Greenland
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is November (15 days).
The month with the lowest number of rainy days is June (6 days).

Average sea temperature in December - Upernavik, Greenland
  • Average sea temperature in December: -1.1°C

The best month for swimming (with the highest average sea temperature) is August (5.2°C).
Coldest months (with the lowest average sea temperature) are March, April and May (-1.8°C).

Average daylight in December / Average sunshine in December - Upernavik, Greenland
  • Average daylight in December: 0h

Months with the longest days are June and July (Average daylight: 24h).
The month with shortest days is December (Average daylight: 0h).

  • Average sunshine in December: 0h

Months with most sunshine are May, June and July (Average sunshine: 8h).
Months with least sunshine are January, November and December (Average sunshine: 0).

Average UV index in December - Upernavik, Greenland
  • Average UV index in December: 0

Months with the highest UV index are June and July (UV index 3).
Months with the lowest UV index are January, February, March, October, November and December (UV index 0).

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