April weather forecast
Ilulissat, Greenland

April showcases the first conspicuous break from the severe winter climate in Ilulissat. With increased daylight hours, it starts to see a certain briskness in the air and slightly warmer weather. The temperatures start to rise, though still remaining below the freezing point, with lows of -12°C (10.4°F). Journeying through April, the sun begins to thaw the city, gradually lessening the icy grip of winter. Despite the prevailing cold, April marks the advent of an agreeable climate in Ilulissat.

Temperature

Ilulissat's weather shows a temperature rise with the arrival of April, moving from a frigid cold -12°C (10.4°F) in March to a subzero cold -5°C (23°F). In the month of April, the average temperature dips to a frigid cold -12°C (10.4°F) during the night.

Rainfall

In Ilulissat, Greenland, in April, it is raining for 9 days, with typically 13mm (0.51") of accumulated precipitation. In Ilulissat, during the entire year, the rain falls for 96 days and collects up to 244mm (9.61") of precipitation.

Sea temperature

In Ilulissat, the average seawater temperature in April is -1.3°C (29.7°F).
Note: In terms of swimming, this condition is dangerously life-threatening. Water temperatures cause sharp pain and provoke immediate hyperventilation. A specialized swimsuit is compulsory to alleviate thermal damage.

Daylight

In Ilulissat, the average length of the day in April is 16h and 8min.
On the first day of the month, sunrise is at 07:25 and sunset at 21:30. On the last day of April, sunrise is at 05:06 and sunset at 23:36 -01.

Sunshine

The average sunshine in April in Ilulissat is 6h.

UV index

The average daily maximum UV index in April in Ilulissat, Greenland, is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 2 in April leads to these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.