December weather forecast
Ilulissat, Greenland

December brings the year to an end, with brutally chilly climatic conditions encasing Ilulissat. The daylight practically disappears, plunging the city into the polar night. The temperatures, too, slide further downwards hitting a chilling low of -14°C (6.8°F). Coupled with limited sunshine hours and prevalent snowfall, the wintry ambiance is at its height. In concurrence, December verifies the reestablishment of Ilulissat's conventional frigid conditions, rounding off the annual climatic cycle.

Temperature

In December, the average high-temperature marginally decreases from -5°C (23°F) in November to a still freezing cold -8°C (17.6°F). An average minimum temperature of -14°C (6.8°F) marks the month of December in Ilulissat.

Rainfall

In Ilulissat, Greenland, during December, the rain falls for 8 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, there are 96 rainfall days, and 244mm (9.61") of precipitation is accumulated.

Sea temperature

In Ilulissat, in December, the average water temperature is -0.3°C (31.5°F).
Note: Within the context of swimming, this scenario is life-threatening. Instant loss of control over breathing impairs cognitive functions. It is essential to use a specialized swimsuit to mitigate thermal loss.

Daylight

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

Sunshine

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

UV index

The months with the lowest UV index in Ilulissat are January, February, October through December, with an average maximum UV index of 0. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: During December, 0 as the daily maximum UV index converts into the following advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Enhance your sun protection with tightly woven, yet airy clothing.