Sisimiut
Greenland
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Sisimiut, Greenland

December, the first month of the winter, in Sisimiut, is still a freezing cold month, with average temperature fluctuating between -6.9°C (19.6°F) and -13.3°C (8.1°F).

Temperature

In Sisimiut, Greenland, the average high-temperature slightly decreases, from a freezing cold -3.2°C (26.2°F) in November, to a still subzero cold -6.9°C (19.6°F). In Sisimiut, the average low-temperature is -13.3°C (8.1°F).

Rainfall

In Sisimiut, during 13.5 rainfall days, 23mm (0.9") of precipitation is typically accumulated. Throughout the year, there are 137.2 rainfall days, and 382mm (15") of precipitation is accumulated.

Snowfall

Months with snowfall in Sisimiut, Greenland, are January through December. Months with the most snowfall days in Sisimiut are November and December, with an average of 13.1 snowfall days.

Sea temperature

In Sisimiut, the average seawater temperature in December is -0.4°C (31.3°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

The month with the shortest days is December, with an average of 2.2h of daylight.

Sunshine

The month with the least sunshine in Sisimiut, Greenland, is December, with an average of 0h of sunshine.

What is the temperature in December in Sisimiut?

In Sisimiut, in December, the average high-temperature is -6.9°C (19.6°F), and the average low-temperature is -13.3°C (8.1°F).

How many days does it rain in December in Sisimiut?

In Sisimiut, Greenland, in December, it is raining for 13.5 days, with typically 23mm (0.9") of accumulated precipitation.

How many days does it snow in December in Sisimiut?

In Sisimiut, during December, snow falls for 13.1 days.

When does it snow the most in Sisimiut?

Months with the most snowfall days in Sisimiut, Greenland, are November and December, with an average of 13.1 snowfall days.

What is the sea temperature in December in Sisimiut?

In December, the average sea temperature is -0.4°C (31.3°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 in Sisimiut?

December has the shortest days of the year in Sisimiut, Greenland, with an average of 2.2h of daylight.

How many hours of daylight does Sisimiut have in December?

The average length of the day in December is 2.2h.

What is the month with the least sunshine in Sisimiut?

The month with the least sunshine is December, with an average of 0h of sunshine.

How long on average sun shines in December in Sisimiut?

In December, the average sunshine in Sisimiut is 0h.
Average temperature in December - Sisimiut, Greenland
  • Average high temperature in December: -6.9°C

The warmest month (with the highest average high temperature) is July (9.8°C).
The month with the lowest average high temperature is February (-10.2°C).

  • Average low temperature in December: -13.3°C

Months with the highest average low temperature are July and August (3.3°C).
The coldest month (with the lowest average low temperature) is March (-18°C).

Average rainfall in December - Sisimiut, Greenland
  • Average rainfall in December: 23mm

The wettest month (with the highest rainfall) is August (52mm).
The driest month (with the lowest rainfall) is May (18mm).

Average rainfall days in December - Sisimiut, Greenland
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is November (14.4 days).
The month with the lowest number of rainy days is June (9.1 days).

Average snowfall days in December - Sisimiut, Greenland
  • Average snowfall days in December: 13.1 days

Months with the highest number of snowfall days are November and December (13.1 days).
The month with the lowest number of snowfall days is August (0.2 days).

Average sea temperature in December - Sisimiut, Greenland
  • Average sea temperature in December: -0.4°C

The best month for swimming (with the highest average sea temperature) is August (4.8°C).
Coldest months (with the lowest average sea temperature) are February and March (-1.3°C).

Average daylight in December / Average sunshine in December - Sisimiut, Greenland
  • Average daylight in December: 2.2h

The month with the longest days is June (Average daylight: 24h).
The month with shortest days is December (Average daylight: 2.2h).

  • Average sunshine in December: 0h

The month with most sunshine is July (Average sunshine: 8.3h).
The month with least sunshine is December (Average sunshine: 0h).