Zavaritski Caldera

Volcano Volcanic caldera on the Kuril Islands

A volcanic caldera on a Russian island in Sakhalin Oblast; Zavaritski attracts volcanologists and adventurous travellers for boat or charter access, rugged terrain and geological study.

Main image
Zavaritski Caldera
46.9044, 151.9927

How to Get to Zavaritski Caldera #

Access to the Kuril islands is challenging and often requires coordination with Russian authorities. Travel is typically by chartered vessel from Sakhalin; plan for permits, limited services, and weather-related delays.

Tips for Visiting Zavaritski Caldera #

  • If visiting the Kuril chain, allow flexible schedule-weather and border controls can disrupt itineraries.
  • Respect restricted military areas; many parts of the Kurils require permits.
  • Bring warm, layered clothing even in summer-the maritime climate is cool and wind-prone.

Best Time to Visit Zavaritski Caldera #

Summer is the only practical season for access; otherwise seas and weather make travel hazardous.

Summer
Jun-Aug · 5-15°C
Best conditions for boat approaches and any permitted landings.

Weather & Climate near Zavaritski Caldera #

Climate

Zavaritski Caldera's climate is classified as Tundra - Tundra climate with cold summers (peaking in August) and freezing winters (coldest in February). Temperatures range from -8°C to 13°C. Abundant rainfall (1578 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 -3°C and lows of -8°C. Regular rainfall (89 mm), mostly overcast skies, and windy conditions.

27 Poor

Comfort

-6°
Feels Like Freezing
-6°C
Temperature
-8° -3°
79%
Humidity
Very Humid

Weather

89 mm
Rainfall
10.9 m/s
Wind
Windy
0.1
UV Index
Low
8.9h daylight

February

February is the coldest month with highs of -4°C and lows of -8°C. Regular rainfall (86 mm), mostly overcast skies, and windy conditions.

27 Poor

Comfort

-6°
Feels Like Freezing
-6°C
Temperature
-8° -4°
81%
Humidity
Very Humid

Weather

86 mm
Rainfall
10.8 m/s
Wind
Windy
0.2
UV Index
Low
10.2h daylight

March

March is freezing with highs of -3°C and lows of -7°C. Regular rainfall (93 mm), mostly overcast skies, and breezy conditions.

27 Poor

Comfort

-5°
Feels Like Freezing
-5°C
Temperature
-7° -3°
81%
Humidity
Very Humid

Weather

93 mm
Rainfall
9.6 m/s
Wind
Breezy
0.4
UV Index
Low
11.8h daylight

April

April is freezing with highs of 1°C and lows of -4°C. Significant rainfall (120 mm), mostly overcast skies, and breezy conditions.

27 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-4°
87%
Humidity
Very Humid

Weather

120 mm
Rainfall
8.5 m/s
Wind
Breezy
0.7
UV Index
Moderate
13.4h daylight

May

May is cold with highs of 4°C and lows of -2°C. Significant rainfall (135 mm), mostly overcast skies, and breezy conditions.

34 Poor

Comfort

Feels Like Cold
C
Temperature
-2°
94%
Humidity
Very Humid

Weather

135 mm
Rainfall
6.7 m/s
Wind
Breezy
1.0
UV Index
High
14.8h daylight

June

June is cold with highs of 7°C and lows of 0°C. Regular rainfall (86 mm) and mostly overcast skies.

40 Poor

Comfort

Feels Like Cold
C
Temperature
96%
Humidity
Very Humid

Weather

86 mm
Rainfall
5.3 m/s
Wind
Light Breeze
1.2
UV Index
High
15.6h daylight

July

July is cold with highs of 10°C and lows of 3°C. Significant rainfall (105 mm) and mostly overcast skies.

48 Poor

Comfort

Feels Like Cold
C
Temperature
11°
96%
Humidity
Very Humid

Weather

105 mm
Rainfall
4.8 m/s
Wind
Light Breeze
1.3
UV Index
High
15.2h daylight

August

August is cold with highs of 13°C and lows of 5°C. Significant rainfall (145 mm) and mostly overcast skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
13°
95%
Humidity
Very Humid

Weather

145 mm
Rainfall
5.1 m/s
Wind
Light Breeze
1.1
UV Index
High
14.0h daylight

September

September is cold with highs of 12°C and lows of 5°C. Heavy rain (201 mm), mostly overcast skies, and breezy conditions.

42 Poor

Comfort

Feels Like Cold
C
Temperature
12°
92%
Humidity
Very Humid

Weather

201 mm
Rainfall
6.0 m/s
Wind
Breezy
0.8
UV Index
Moderate
12.4h daylight

October

October is cold with highs of 8°C and lows of 2°C. The wettest month with heavy rain (226 mm), mostly overcast skies, and breezy conditions.

34 Poor

Comfort

Feels Like Cold
C
Temperature
85%
Humidity
Very Humid

Weather

226 mm
Rainfall
7.6 m/s
Wind
Breezy
0.4
UV Index
Low
10.7h daylight

November

November is cold with highs of 3°C and lows of -2°C. Significant rainfall (165 mm), mostly overcast skies, and breezy conditions.

32 Poor

Comfort

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

Weather

165 mm
Rainfall
8.6 m/s
Wind
Breezy
0.1
UV Index
Low
9.3h daylight

December

December is freezing with highs of -1°C and lows of -5°C. Significant rainfall (127 mm), mostly overcast skies, and windy conditions.

23 Poor

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-5° -1°
79%
Humidity
Very Humid

Weather

127 mm
Rainfall
10.1 m/s
Wind
Windy
0.1
UV Index
Low
8.5h daylight

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