December weather forecast
Uummannaq, Greenland

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Weather in December

December in Uummannaq, Greenland, is a textbook example of an Arctic winter. With no daylight during the entirety of the month, the city is shrouded in a perpetual twilight. The driest month of the year, December sees a marked decrease in precipitation but maintains high sea ice coverage. A distinct drop in average sea temperature to -0.3°C (31.5°F) is noticeable, accompanying the harsh winter conditions. The all-encompassing impact of December’s weather instills a tranquility within the city, bringing the year to a peaceful close amidst the frost-laden landscapes.

Temperature

With the commencement of December, Uummannaq records a moderate temperature decline, with the average high easing from November's -3°C (26.6°F) to a still subzero cold -6°C (21.2°F). Recording a slight decline in temperature during the nights, Uummannaq's December temperatures average at a still subzero cold -10°C (14°F).

Rainfall

The months with the most rainfall are November and December, with an average 30mm (1.18") of precipitation.

Sea temperature

In December, the average sea temperature in Uummannaq, Greenland, is -0.3°C (31.5°F).
Note: Within the context of swimming, this state is extremely cold, dangerous, and can result in death. Hypothermia happens quickly in the absence of protective insulated waterproof clothing.

Daylight

June and December, with an average of 0h and 0min of daylight, are months with the shortest days.

Frequently asked questions

How cold is December?

The average high-temperature, in December, in Uummannaq, is -6°C (21.2°F), while the average low-temperature is -10°C (14°F).

What is the wettest month?

The wettest months are November and December, with an average 30mm (1.18") of rainfall.

How much does it rain in December?

During December, Uummannaq regularly aggregates up to 30mm (1.18") of precipitation.

What is the water temperature in December?

In Uummannaq, the average seawater temperature in December is -0.3°C (31.5°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the month with the shortest days?

The months with the shortest days are June and December, with an average of 0h and 0min of daylight.

What is the average length of the day in December?

In Uummannaq, the average day length in December is 0h and 0min.

Average temperature in December
Uummannaq, Greenland

Average temperature in December - Uummannaq, Greenland
  • Average high temperature in December: -6°C

The warmest month (with the highest average high temperature) is July (11°C).
The month with the lowest average high temperature is February (-12°C).

  • Average low temperature in December: -10°C

The months with the highest average low temperature are July and August (5°C).
The coldest months (with the lowest average low temperature) are February and March (-17°C).

Average rainfall in December
Uummannaq, Greenland

Average rainfall in December - Uummannaq, Greenland
  • Average rainfall in December: 30mm

The wettest months (with the highest rainfall) are November and December (30mm).
The driest month (with the least rainfall) is June (8mm).

Average sea temperature in December
Uummannaq, Greenland

Average sea temperature in December - Uummannaq, Greenland
  • Average sea temperature in December: -0.3°C

The best month for swimming (with the highest average sea temperature) is September (3.3°C).
The coldest month (with the lowest average sea temperature) is February (-1.5°C).

Average daylight in December
Uummannaq, Greenland

Average daylight in December - Uummannaq, Greenland
  • Average daylight in December: 0h and 0min

The month with the longest days is August (Average daylight: 18h and 30min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).

Uummannaq, Greenland

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