Harimkotan

Island Volcanic Kuril island in Russia's Sakhalin Oblast

Harimkotan is an uninhabited volcanic island in the Kuril chain; its steep volcanic slopes and seabird colonies interest volcanologists, birdwatchers and expedition cruises that call on remote northern Pacific islands.

Main image
Main image

Harimkotan is a volcanic island in the Kuril Islands chain administered as part of Sakhalin Oblast, Russia. The island is uninhabited and dominated by steep volcanic topography.

The island consists primarily of volcanic cones and rugged shoreline with limited landing sites, typical of many islands in the central Kurils. Vegetation is sparse compared with larger inhabited islands in the chain.

Harimkotan has volcanic origins and is part of the larger tectonic and volcanic system of the Kuril archipelago; it is not developed for tourism and has no permanent population.

Geographically the island lies in the northern Pacific as a member of the Kuril Islands, between the Kamchatka Peninsula and Hokkaido, and is administered from Sakhalin Oblast.

  • Volcanic island: Uninhabited and volcanic in origin, it is part of the Kuril Island chain administered by Sakhalin Oblast.
Harimkotan
49.1200, 154.5308

How to Get to Harimkotan #

Harimkotan is in the Kuril chain, Sakhalin Oblast. There are no regular transport links; access is normally by private expedition vessel or research ship from ports in the Russian Far East. Landing requires permits from Russian authorities and careful planning due to variable sea conditions and restricted zones.

Tips for Visiting Harimkotan #

  • Harimkotan is remote and typically reached only by charter or expedition vessel - confirm landing permits with Sakhalin regional authorities beforehand.
  • Bring proper cold-weather gear even in summer; coastal fog and wind are common.
  • Respect navigation and military restrictions-this island is in a sensitive part of the Kurils with occasional patrols.

Best Time to Visit Harimkotan #

Best visited in mid-summer by expedition vessel due to sea conditions and rough weather the rest of the year.

Summer
Jul-Aug · 8-15°C
The most accessible months for sea travel, with milder weather and less sea ice.
Late spring/early autumn
May & Sep · 5-10°C
Shoulder seasons can offer clearer light and fewer storms but are less predictable.

Weather & Climate near Harimkotan #

Climate

Harimkotan's climate is classified as Tundra - Tundra climate with cold summers (peaking in August) and freezing winters (coldest in February). Temperatures range from -11°C to 12°C. Abundant rainfall (1478 mm/year), wettest in October.

Best Time to Visit
JulyAugustSeptember
Temperature & Rainfall
Temperature Range
16°
Warmest Month
-11°
Coldest Month
Monthly Conditions

January

January is freezing with highs of -5°C and lows of -10°C. Regular rainfall (90 mm), mostly overcast skies, and breezy conditions.

27 Poor

Comfort

-7°
Feels Like Freezing
-7°C
Temperature
-10° -5°
78%
Humidity
Very Humid

Weather

90 mm
Rainfall
9.0 m/s
Wind
Breezy
0.0
UV Index
Low
8.5h daylight

February

February is the coldest month with highs of -5°C and lows of -11°C. Regular rainfall (85 mm), mostly overcast skies, and breezy conditions.

23 Poor

Comfort

-8°
Feels Like Freezing
-8°C
Temperature
-11° -5°
80%
Humidity
Very Humid

Weather

85 mm
Rainfall
9.1 m/s
Wind
Breezy
0.1
UV Index
Low
9.9h daylight

March

March is freezing with highs of -4°C and lows of -10°C. Significant rainfall (105 mm), mostly overcast skies, and breezy conditions.

27 Poor

Comfort

-7°
Feels Like Freezing
-7°C
Temperature
-10° -4°
81%
Humidity
Very Humid

Weather

105 mm
Rainfall
8.4 m/s
Wind
Breezy
0.3
UV Index
Low
11.7h daylight

April

April is freezing with highs of -1°C and lows of -6°C. Significant rainfall (125 mm), mostly overcast skies, and breezy conditions.

25 Poor

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-6° -1°
85%
Humidity
Very Humid

Weather

125 mm
Rainfall
7.6 m/s
Wind
Breezy
0.6
UV Index
Moderate
13.6h daylight

May

May is freezing with highs of 2°C and lows of -3°C. Significant rainfall (110 mm), mostly overcast skies, and breezy conditions.

28 Poor

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-3°
93%
Humidity
Very Humid

Weather

110 mm
Rainfall
6.1 m/s
Wind
Breezy
1.0
UV Index
Moderate
15.2h daylight

June

June is cold with highs of 6°C and lows of 0°C. Moderate rainfall (74 mm) and mostly overcast skies.

42 Poor

Comfort

Feels Like Cold
C
Temperature
96%
Humidity
Very Humid

Weather

74 mm
Rainfall
4.9 m/s
Wind
Light Breeze
1.2
UV Index
High
16.0h daylight

July

July is cold with highs of 10°C and lows of 3°C. Significant rainfall (120 mm) and mostly overcast skies.

48 Poor

Comfort

Feels Like Cold
C
Temperature
10°
97%
Humidity
Very Humid

Weather

120 mm
Rainfall
4.5 m/s
Wind
Light Breeze
1.2
UV Index
High
15.6h daylight

August

August is cold with highs of 12°C and lows of 5°C. Significant rainfall (134 mm) and mostly overcast skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
12°
96%
Humidity
Very Humid

Weather

134 mm
Rainfall
4.7 m/s
Wind
Light Breeze
1.0
UV Index
High
14.2h daylight

September

September is cold with highs of 10°C and lows of 3°C. Significant rainfall (161 mm) and mostly overcast skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
10°
93%
Humidity
Very Humid

Weather

161 mm
Rainfall
5.6 m/s
Wind
Light Breeze
0.7
UV Index
Moderate
12.4h daylight

October

October is cold with highs of 6°C and lows of 0°C. The wettest month with heavy rain (206 mm), mostly overcast skies, and breezy conditions.

32 Poor

Comfort

Feels Like Cold
C
Temperature
87%
Humidity
Very Humid

Weather

206 mm
Rainfall
6.8 m/s
Wind
Breezy
0.3
UV Index
Low
10.6h daylight

November

November is freezing with highs of 0°C and lows of -5°C. Significant rainfall (133 mm), mostly overcast skies, and breezy conditions.

25 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-5°
81%
Humidity
Very Humid

Weather

133 mm
Rainfall
7.6 m/s
Wind
Breezy
0.1
UV Index
Low
8.9h daylight

December

December is freezing with highs of -3°C and lows of -8°C. Significant rainfall (135 mm), mostly overcast skies, and breezy conditions.

25 Poor

Comfort

-5°
Feels Like Freezing
-5°C
Temperature
-8° -3°
79%
Humidity
Very Humid

Weather

135 mm
Rainfall
8.5 m/s
Wind
Breezy
0.0
UV Index
Low
8.0h daylight

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