City with the Most Days of Darkness: Murmansk, Russia (40-Day Polar Night)
Murmansk, Russia (population ~280,000) holds the distinction for the longest continuous period of darkness among cities >100,000 people.
Polar Night in Murmansk
- Duration: ~40 days (approx. December 2 – January 10).
- Latitude: 68°58′ N (well above Arctic Circle at 66°34′ N).
- Phenomenon: Sun remains below horizon 24/7; civil twilight (sun <6° below) provides a few hours of dim blue light midday.
Other Notable Polar-Night Cities
| City | Country | Lat. | Polar Night Duration | Population |
|---|
| Tromsø | Norway | 69°39′ N | ~48 days (Nov 27 – Jan 14) | 77,000 |
| Utqiaġvik (Barrow) | USA (AK) | 71°17′ N | ~65 days (Nov 18 – Jan 22) | 4,900 |
| Longyearbyen | Norway (Svalbard) | 78°13′ N | ~112 days (Oct 26 – Feb 14) | 2,400 |
| Norilsk | Russia | 69°20′ N | ~45 days | 175,000 |
Murmansk is the largest city to experience a multi-week polar night. Its port stays ice-free year-round due to the warm North Atlantic Current — a key reason for its size.
Wanderlust World