Svalbard vs Tromsø

Svalbard

Svalbard has a polar tundra climate moderated slightly by the West Spitsbergen Current, a branch of the Gulf Stream. Winters are long and cold (averaging −15°C in Longyearbyen, colder in the interior); summers are short and cool, rarely touching 10°C. Wind drives the felt temperature far below actual readings. What shapes the year most, though, is daylight: four months of polar night (sun never rises, late Oct–mid-Feb) and four months of midnight sun (sun never sets, mid-Apr–late Aug). Plan your trip around the light and the activity you want.

Tromsø

Tromsø has a subarctic maritime climate — remarkably mild for its latitude thanks to the North Atlantic Current, but defined year-round by dramatic daylight extremes. Snow falls heavily from November through April. Summer temperatures rarely exceed 20°C. Winter lows typically hover between −5 and −10°C — cold but manageable in proper layers. What you plan for is light, not cold.

Svalbard

Longyearbyen is small enough to walk end-to-end in 25 minutes, and there is no public bus system for locals. Between the airport, hotels, and the main tour departure points, a hotel shuttle or taxi covers the few necessary transfers. Outside Longyearbyen there are essentially no roads — just 45 km of driveable gravel linking the settlement with the airport, the nearby valleys, and former mining areas. All further movement across the archipelago is by boat (summer), snowmobile (winter), dog sled, or charter aircraft.

Walkability: Longyearbyen itself is fully walkable in any weather — the town runs along a single main road for about 2 km, with most hotels and restaurants clustered in a 500-metre stretch. Outside the settlement, walking is effectively prohibited without a rifle and polar bear protection; essentially all excursions require motorised transport plus a licensed guide.

Tromsø

Tromsø is a small island city — most sights are within walking distance in the city centre. The local bus system (Troms Fylkestrafikk) covers the island and the mainland, including the airport. Taxis are readily available; ride-hailing is limited. For excursions outside the city (dog sledding at Camp Tamok, Sommarøy fishing village, reindeer camps), a tour bus or rental car is essential.

Walkability: City centre is highly walkable and concentrated. The island of Tromsøya itself is 9 km long but the useful tourist zone is just 2 km of it. Outside the island — mainland, Kvaløya, or further afield — you need bus, taxi, or car.