Carlisle Island
Island Volcanic island in the Aleutian chain, Alaska
Carlisle Island is a volcanic isle in Alaska’s Aleutian chain; visitors are usually scientists, birders or experienced mariners drawn to rugged volcanic terrain, seabird colonies and remote wilderness access.
How to Get to Carlisle Island #
Access is by private boat or chartered vessel from larger Aleutian hubs (e.g., Unalaska). Sea conditions are the primary determinant of safety; only experienced skippers with up-to-date weather and charting should attempt landings.
Tips for Visiting Carlisle Island #
- This is an uninhabited volcanic island - approach only with experienced skippers and inform local authorities.
- Observe marine-mammal exclusion zones; Steller sea lions or other pinnipeds may haul out on skerries.
- There are no visitor facilities or reliable anchorages in bad weather.
Best Time to Visit Carlisle Island #
Short Alaskan summers are the only safe window for excursions; even then conditions can be harsh and unpredictable.
Weather & Climate near Carlisle Island #
Carlisle Island's climate is classified as Tundra - Tundra climate with cold summers (peaking in August) and freezing winters (coldest in March). Temperatures range from -4°C to 8°C. Abundant rainfall (1370 mm/year), wettest in October.
January
January is cold with highs of 2°C and lows of -2°C. Significant rainfall (123 mm) and breezy conditions.
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February
February is freezing with highs of 1°C and lows of -2°C. Significant rainfall (130 mm) and breezy conditions.
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March
March is the coldest month with highs of -2°C and lows of -4°C. Significant rainfall (110 mm) and breezy conditions.
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April
April is the coldest month with highs of -2°C and lows of -4°C. Regular rainfall (90 mm) and breezy conditions.
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May
May is freezing with highs of 0°C and lows of -2°C. Regular rainfall (90 mm) and breezy conditions.
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June
June is cold with highs of 3°C and lows of 0°C. Moderate rainfall (75 mm) and breezy conditions.
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July
July is cold with highs of 7°C and lows of 3°C. Moderate rainfall (66 mm).
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August
August is cold with highs of 8°C and lows of 4°C. Regular rainfall (80 mm).
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September
September is cold with highs of 6°C and lows of 2°C. Significant rainfall (124 mm) and breezy conditions.
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October
October is cold with highs of 4°C and lows of -1°C. The wettest month with heavy rain (174 mm) and breezy conditions.
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November
November is cold with highs of 3°C and lows of -2°C. Significant rainfall (162 mm) and breezy conditions.
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December
December is cold with highs of 2°C and lows of -2°C. Significant rainfall (146 mm) and breezy conditions.
