Chamisso Island

Island Arctic island in Alaska, important seabird nesting site

Off Alaska’s Kotzebue Sound, Chamisso Island draws birders and small-boat visitors to seabird colonies and Arctic coastal scenery.

Main image

Chamisso Island is a small Arctic island in northwest Alaska, situated in Kotzebue Sound and part of the barrier islands off Alaska’s northwestern coast. It is noted for low tundra vegetation and seabird use rather than human habitation.

The island supports nesting seabird colonies and Arctic shoreline habitats; visitors who land typically focus on birdwatching, botanical interest and short shore visits rather than developed recreation. Landing and travel are subject to local regulations and seasonal weather limitations.

Named for the naturalist Adelbert von Chamisso by early 19th-century explorers, the island has been of interest to naturalists for its Arctic flora and birdlife. It is included in federal wildlife protection areas that restrict development and aim to conserve habitat.

Chamisso Island sits offshore in Kotzebue Sound within the coastal waters of northwest Alaska. The nearest significant communities are coastal villages on the Alaskan Arctic shoreline; the island is exposed to Arctic weather and sea-ice conditions.

  • Access: No visitor facilities on the island; access requires boat or charter from nearby coastal communities and is weather dependent.
Chamisso Island
66.2188, -161.8276

How to Get to Chamisso Island #

Access is by chartered boat or small research vessel from towns on Alaska’s North Slope during the brief summer season. Landing is weather-dependent; visits are often coordinated through the Alaska Maritime National Wildlife Refuge.

Tips for Visiting Chamisso Island #

  • Bring polarized sunglasses and layers - Arctic sun is harsh and wind chill credible even in summer.
  • Plan for bug season (late June-July) when mosquitoes can be relentless near tundra ponds.
  • Respect wildlife; Chamisso is within the Alaska Maritime National Wildlife Refuge and closures may apply during nesting season.

Best Time to Visit Chamisso Island #

Summer provides the only practical window for visits; long daylight helps but weather remains unpredictable.

Summer
June-August · 0-10°C
Short, cool season with long daylight; best for boat-based wildlife viewing and botanizing.
Autumn
September-October · -5-5°C
Early snows arrive; access becomes harder and bird migrations thin out.

Weather & Climate near Chamisso Island #

Climate

Continental climate with consistently warm temperatures year-round. Temperatures range from 0°C to 0°C. Semi-arid with limited rainfall.

Temperature & Rainfall
Temperature Range
Warmest Month
-1°
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 0°C and lows of 0°C. Light rainfall.

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

17 mm
Rainfall
5.2 m/s
Wind
Light Breeze

February

February is the coolest month with highs of 0°C and lows of 0°C. Light rainfall.

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

14 mm
Rainfall
5.5 m/s
Wind
Light Breeze

March

March is the coolest month with highs of 0°C and lows of 0°C. Light rainfall.

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

15 mm
Rainfall
5.1 m/s
Wind
Light Breeze

April

April is the coolest month with highs of 0°C and lows of 0°C. Light rainfall.

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

15 mm
Rainfall
5.1 m/s
Wind
Light Breeze

May

May is the coolest month with highs of 0°C and lows of 0°C. The driest month with just 13 mm.

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

13 mm
Rainfall
4.4 m/s
Wind
Light Breeze

June

June is the coolest month with highs of 0°C and lows of 0°C. Light rainfall.

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

16 mm
Rainfall
4.3 m/s
Wind
Light Breeze

July

July is the coolest month with highs of 0°C and lows of 0°C. Moderate rainfall (39 mm).

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

39 mm
Rainfall
4.3 m/s
Wind
Light Breeze

August

August is the coolest month with highs of 0°C and lows of 0°C. The wettest month with 69 mm of rain.

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

69 mm
Rainfall
4.5 m/s
Wind
Light Breeze

September

September is the coolest month with highs of 0°C and lows of 0°C. Moderate rainfall (49 mm).

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

49 mm
Rainfall
4.6 m/s
Wind
Light Breeze

October

October is the coolest month with highs of 0°C and lows of 0°C. Light rainfall.

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

23 mm
Rainfall
4.8 m/s
Wind
Light Breeze

November

November is the coolest month with highs of 0°C and lows of 0°C. Light rainfall.

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

21 mm
Rainfall
5.2 m/s
Wind
Light Breeze

December

December is the coolest month with highs of 0°C and lows of 0°C. Light rainfall.

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

18 mm
Rainfall
5.3 m/s
Wind
Light Breeze

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