Weather in December
Temperature
December in Sisimiut brings a slight decrease in temperature, down from a freezing cold -3.2°C (26.2°F) in November to a still subzero cold -6.9°C (19.6°F). During the month of December, an average temperature of -13.3°C (8.1°F) is noted during the nights.Rainfall
In Sisimiut, in December, it is raining for 13.5 days, with typically 23mm (0.91") of accumulated precipitation. In Sisimiut, during the entire year, the rain falls for 137.2 days and collects up to 382mm (15.04") of precipitation.Snowfall
Months with snowfall are January through December. The months with the most snowfall days in Sisimiut are November and December, with an average of 13.1 snowfall days.Sea temperature
In Sisimiut, in December, the average water temperature is -0.4°C (31.3°F).Note: In relation to swimming, this scenario is excessively cold, perilous, and a direct threat to life. Hypothermia strikes rapidly in the absence of insulated waterproof gear.
Daylight
In Sisimiut, the average length of the day in December is 2h and 11min.On the first day of the month, sunrise is at 11:43 and sunset at 15:04. On the last day of December, sunrise is at 12:30 and sunset at 14:45 -02.
Sunshine
With an average of 0h of sunshine, December has the least sunshine of the year.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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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
The 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 least 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 least rainy days is June (9.1 days).
Average snowfall days in December
Sisimiut, Greenland
- Average snowfall days in December: 13.1 days
The months with the highest number of snowfall days are November and December (13.1 days).
The month with the least 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).
The 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: 2h and 1min
The month with the longest days is May (Average daylight: 20h and 0min).
The month with the shortest days is June (Average daylight: 0h and 48min).
- Average sunshine in December: 0h and 0min
The month with the most sunshine is July (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 0h and 0min).
Sisimiut, Greenland
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