AgattuAgattu at a Glance
About Agattu
Agattu is a remote, largely uninhabited island in the Aleutian Islands of Alaska in the United States. It forms part of the Near Islands subgroup and consists of rugged terrain shaped by tectonic and volcanic processes.
The island is notable for its remoteness and for supporting seabird colonies and a largely undisturbed subarctic ecosystem. There are no permanent settlements and access is by sea or rare charter flights to nearby islands.
Located in the far western Aleutians, Agattu lies well offshore from mainland Alaska and is part of the US state of Alaska’s island chain across the North Pacific.
- Remote Aleutian island: Remote and uninhabited, forming part of Alaska’s Aleutian chain and notable for rugged terrain and seabird colonies.
Best Time to Visit Agattu
Short summer period offers the safest access; otherwise the island is effectively inaccessible to casual visitors.
Weather & Climate near Agattu
Agattu's climate is classified as Tundra - Tundra climate with cool summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -3°C to 12°C. Moderate rainfall (917 mm/year).
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | -3° - 0° | -9° | 69 mm | - | - | 9.0 m/s | - | - |
| February | - | -3° - 0° | -8° | 55 mm | - | - | 8.9 m/s | - | - |
| March | - | -2° - 1° | -8° | 61 mm | - | - | 8.6 m/s | - | - |
| April | - | -1° - 3° | -5° | 62 mm | - | - | 7.9 m/s | - | - |
| May | - | 2° - 6° | -1° | 54 mm | - | - | 6.8 m/s | - | - |
| June | - | 4° - 8° | 3° | 46 mm | - | - | 6.0 m/s | - | - |
| July | - | 7° - 12° | 7° | 72 mm | - | - | 5.5 m/s | - | - |
| August | - | 8° - 13° | 10° | 103 mm | - | - | 5.9 m/s | - | - |
| September | - | 7° - 11° | 6° | 90 mm | - | - | 6.5 m/s | - | - |
| October | - | 3° - 8° | 1° | 114 mm | - | - | 7.8 m/s | - | - |
| November | - | 0° - 4° | -5° | 109 mm | - | - | 9.2 m/s | - | - |
| December | - | -2° - 1° | -7° | 82 mm | - | - | 9.0 m/s | - | - |
How to Get to Agattu
There are no scheduled transport services to Agattu. Access requires chartering a suitable vessel from regional Alaskan ports or arranging inclusion on scientific expeditions. Landing depends entirely on sea conditions and local permissions.
Tips for Visiting Agattu
- Only experienced expedition teams should attempt landing - there are no facilities, and weather can make operations dangerous.
- If planning wildlife observation, consider the spring and summer months when seabirds and marine mammals are most active.
- Communications are nil; plan satellite comms and emergency contingencies for any visit to the Aleutian islands.