Yes, travel insurance is close to essential for a trip to Qasigiannguit, a small settlement on Greenland's west coast in the Disko Bay area, and the honest reason is access rather than any dramatic on-the-ground danger. No roads connect Greenlandic settlements to one another, so every arrival, departure, and medical evacuation here depends entirely on boats or aircraft that weather can delay or cancel outright without much warning.
Qasigiannguit has only basic local health services, and anything serious is typically stabilized if possible and then evacuated to Nuuk, Greenland's capital and the territory's main hospital hub, with further specialist treatment usually meaning an onward transfer to Denmark, and occasionally Iceland depending on routing. Confirm your policy explicitly covers medical evacuation by air and international repatriation, since a policy that only reimburses local clinic visits misses the part that matters here.
Most visitors reach Qasigiannguit as part of a wider Disko Bay itinerary built around Ilulissat, the region's better-known icefjord town a short boat or flight away, and the same weather-dependent logistics apply to both. Confirm your policy covers travel between Greenlandic settlements as well, not just the international leg to Nuuk or Copenhagen.
Winter sea ice can restrict boat access for weeks at a time, shifting local transport onto smaller aircraft, while summer fog is a routine cause of short flight delays across the region. Trip-delay cover that actually responds to weather, rather than only outright cancellation, is worth checking regardless of when you travel to this part of Greenland.
Keep any clinic paperwork, weather-related delay notices from the airline or boat operator, and receipts for emergency transport, since documentation can be hard to reconstruct from a place this remote after the fact. Many policies require prompt notice before major expenses like evacuation are incurred, so check the claims process in your policy wording well before you travel.