April weather forecast
Upernavik, Greenland

Come April, Upernavik's weather curriculum begins setting into spring, although winter continues its firm grip. Minor elevation in temperature from March to April indicates a subtle shift from the deep freeze towards more temperate conditions. The daylights hours strike a stark contrast to the preceding months, achieving an average of 17.3 hours thus making it a favorable time for outdoor daytime activities. An uptick in rainfall levels is observed, although these precipitation days rarely exceed eight. A UV index introduced at 1, adds a hint of warmth beneath the dominant coldness.

Temperature

As Upernavik transitions into April, the average high-temperature is observed to rise from an arctic cold -16.4°C (2.5°F) in March to a freezing cold -9.5°C (14.9°F). Upernavik, during the month of April, experiences an average low-temperature of -16.6°C (2.1°F).

Rainfall

In Upernavik, in April, it is raining for 8 days, with typically 14mm (0.55") of accumulated precipitation. Throughout the year, there are 113 rainfall days, and 251mm (9.88") of precipitation is accumulated.

Sea temperature

March through May, with an average sea temperature of -1.8°C (28.8°F), are months with the coldest seawater.
Note: In swimming, this scenario poses immediate life-threatening danger. Breathing control is totally lost and logical thinking nearly impossible. Wearing a specialized swimsuit is critical to limit thermal loss.

Daylight

With an average of 17h and 18min of daylight, April has the longest days of the year.
On the first day of April in Upernavik, sunrise is at 07:31 and sunset at 22:04. On the last day of the month, sunrise is at 04:13 and sunset at 01:09 -01.

Sunshine

In April, the average sunshine in Upernavik is 7h.

UV index

The average daily maximum UV index in April in Upernavik is 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 1 in April translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Tightly woven clothing, when worn loosely, shields effectively against the Sun.