Chuginadak Island
Island Volcanic island in the Aleutians, largely uninhabited
Remote Aleutian island in Alaska’s Islands of Four Mountains group noted for volcanic peaks and sparse wildlife; visited mainly by researchers and expedition cruise passengers.
Chuginadak Island is an uninhabited island in the central Aleutian Islands of Alaska, part of the Islands of Four Mountains group. The island is volcanic in origin and dominated by steep volcanic cones.
The island includes Mount Cleveland, an active stratovolcano that produces intermittent eruptions and is monitored for aviation and regional safety. The terrain is rugged with sea cliffs and limited flat ground.
Human activity on the island is minimal due to its remoteness and volcanic activity; visits are generally restricted and undertaken only by scientific or monitored expeditions.
Chuginadak lies in the North Pacific Aleutian chain, west of mainland Alaska and east of other central Aleutian islands, well offshore of major population centres.
- Access and safety: Uninhabited and remote, accessible only by boat or aircraft with operations restricted for safety due to volcanic activity.
What to See #
- Mount Cleveland: Contains an active stratovolcano that is among the most frequently erupting volcanoes in the Aleutian arc, monitored by the Alaska Volcano Observatory.
How to Get to Chuginadak Island #
Chuginadak lies in the central Aleutian chain; access requires a private charter boat or aircraft arranged from regional hubs such as Unalaska (Dutch Harbor) or Adak. Travel is weather‑dependent and usually planned with local operators experienced in Aleutian conditions.
Tips for Visiting Chuginadak Island #
- This is a remote, uninhabited island in the Aleutians - travel requires careful planning with experienced charter operators.
- Check National Weather Service forecasts and marine notices; Aleutian weather is notoriously volatile.
- Carry all necessary provisions and permits; wildlife and seabird colonies may be protected.
Best Time to Visit Chuginadak Island #
Summer (June-August) provides the most reliable weather window for approach; plan with flexibility.
Weather & Climate near Chuginadak Island #
Chuginadak Island's climate is classified as Tundra - Tundra climate with cold summers (peaking in August) and freezing winters (coldest in March). Temperatures range from -2°C to 11°C. Abundant rainfall (1316 mm/year), wettest in October.
January
January is cold with highs of 2°C and lows of -1°C. Significant rainfall (118 mm) and breezy conditions.
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February
February is cold with highs of 2°C and lows of -2°C. Significant rainfall (124 mm) and breezy conditions.
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March
March is the coldest month with highs of 1°C and lows of -2°C. Significant rainfall (105 mm) and breezy conditions.
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April
April is cold with highs of 2°C and lows of -1°C. Regular rainfall (91 mm) and breezy conditions.
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May
May is cold with highs of 5°C and lows of 0°C. Regular rainfall (93 mm) and breezy conditions.
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June
June is cold with highs of 7°C and lows of 3°C. Moderate rainfall (67 mm) and breezy conditions.
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July
July is cold with highs of 10°C and lows of 6°C. Moderate rainfall (59 mm).
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August
August is cold with highs of 11°C and lows of 7°C. Moderate rainfall (74 mm).
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September
September is cold with highs of 9°C and lows of 4°C. Significant rainfall (121 mm) and breezy conditions.
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October
October is cold with highs of 7°C and lows of 1°C. The wettest month with heavy rain (170 mm) and breezy conditions.
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November
November is cold with highs of 4°C and lows of 0°C. Significant rainfall (154 mm) and breezy conditions.
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December
December is cold with highs of 3°C and lows of -1°C. Significant rainfall (140 mm) and breezy conditions.
