canIswim

Sea temperature and swimming season in Greenland

When the sea is warm enough to swim in 2 coastal cities in Greenland.

CityWarmestColdestSwimming season
Nuuk 6.1°C Aug -0.5°C Feb never comfortable
Sisimiut 5.9°C Aug -1.3°C Mar never comfortable

Season uses 19°C. Why that number, and where the data comes from