Londonderry Island at a Glance
About Londonderry Island
Londonderry Island is a coastal island in the Magallanes region of southern Chile, part of the Patagonian archipelago. The island lies within a complex of channels, sounds and smaller isles that characterize the far southern Chilean coast.
The island’s landscape is rugged and maritime, with sheltered channels, rocky shores and sparse settlement; it is representative of the remote islands of Tierra del Fuego and the Magellan Strait region. Access is by boat via coastal channels and it is not served by regular public transport.
Historically these islands have been used intermittently for small-scale fishing and maritime navigation rather than as locations for permanent towns. The island sits within the broad, sparsely populated coastal zone of Chilean Patagonia.
- Remoteness: Located in the southern reaches of the Chilean archipelago, the island is remote and largely uninhabited, typical of the coastal islands of Magallanes and Chilean Patagonia.
Tips for Visiting Londonderry Island
- Aim for the austral summer (December-March) when weather and sea conditions are most favorable for small-boat travel around the island.
- Access is by boat only-book a dedicated expedition or join a wildlife/cruise operator out of Puerto Natales or Punta Arenas and confirm their specific landing plans; independent landings are uncommon.
- If you're interested in birds and coastal scenery, ask your skipper for a slow circumnavigation-many best viewpoints are from the water rather than landing on the island itself.
Best Time to Visit Londonderry Island
Visit in the austral summer (December-February) for the mildest conditions and best chances of calmer seas and longer daylight.
Weather & Climate near Londonderry Island
Londonderry Island's climate is classified as Tundra - Tundra climate with cold summers (peaking in January) and cold winters (coldest in July). Temperatures range from -1°C to 11°C. Abundant rainfall (1299 mm/year), wettest in February, distributed fairly evenly throughout the year.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | 5° - 11° | 4° | 115 mm | - | - | 8.3 m/s | - | - |
| February | - | 5° - 11° | 4° | 127 mm | - | - | 8.5 m/s | - | - |
| March | - | 4° - 10° | 2° | 127 mm | - | - | 8.4 m/s | - | - |
| April | - | 2° - 8° | 0° | 121 mm | - | - | 7.9 m/s | - | - |
| May | - | 1° - 6° | -2° | 108 mm | - | - | 6.9 m/s | - | - |
| June | - | 0° - 4° | -4° | 113 mm | - | - | 7.0 m/s | - | - |
| July | - | -1° - 4° | -4° | 102 mm | - | - | 7.0 m/s | - | - |
| August | - | -1° - 4° | -4° | 93 mm | - | - | 7.3 m/s | - | - |
| September | - | 0° - 6° | -2° | 92 mm | - | - | 7.7 m/s | - | - |
| October | - | 2° - 8° | 0° | 88 mm | - | - | 8.7 m/s | - | - |
| November | - | 3° - 9° | 1° | 100 mm | - | - | 9.0 m/s | - | - |
| December | - | 4° - 10° | 3° | 113 mm | - | - | 8.6 m/s | - | - |
