Lake Kuttara

Lake Deep volcanic caldera lake on Hokkaido island

On southern Hokkaido, Lake Kuttara fills a volcanic caldera near Shiraoi; known for unusually clear water, the lake invites short walks, seasonal trout fishing and quiet summer visits from local hikers.

Main image
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Lake Kuttara
42.4998, 141.1819

How to Get to Lake Kuttara #

Lake Kuttara is near Shiraoi in Hokkaido. The usual approach is by car from Tomakomai or Muroran; local buses connect smaller towns seasonally. From Shiraoi Station, regional bus and taxi services can be used to reach the lake area.

Tips for Visiting Lake Kuttara #

  • Visit on a clear day to appreciate the caldera's sheer sides and the lake's deep blue.
  • There is a short walking path around parts of the crater rim-use it for different vantage points.
  • Respect the official no-swim advisories; water quality and depth can make swimming risky.

Best Time to Visit Lake Kuttara #

Summer months offer the best access and visibility; winter is harsh but photogenic for experienced travelers.

Summer
June-August · 10-20°C
Milder weather and long daylight suited to hikes and photography.
Winter
December-February · -15 to 0°C
Snow can cover roads and transforms the caldera into a silent white bowl.

Weather & Climate near Lake Kuttara #

Climate

Lake Kuttara's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -8°C to 22°C. Abundant rainfall (1273 mm/year), wettest in August.

Best Time to Visit
AugustJuneSeptember
Temperature & Rainfall
Temperature Range
29°
Warmest Month
-14°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of -1°C and lows of -8°C. Moderate rainfall (74 mm) and mostly overcast skies.

33 Poor

Comfort

-5°
Feels Like Freezing
-5°C
Temperature
-8° -1°
89%
Humidity
Very Humid

Weather

74 mm
Rainfall
4.4 m/s
Wind
Light Breeze
0.1
UV Index
Low
9.3h daylight

February

February is the coldest month with highs of -1°C and lows of -8°C. Moderate rainfall (64 mm) and mostly overcast skies.

35 Poor

Comfort

-5°
Feels Like Freezing
-5°C
Temperature
-8° -1°
86%
Humidity
Very Humid

Weather

64 mm
Rainfall
4.4 m/s
Wind
Light Breeze
0.3
UV Index
Low
10.4h daylight

March

March is freezing with highs of 2°C and lows of -5°C. Moderate rainfall (71 mm) and mostly overcast skies.

35 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-5°
85%
Humidity
Very Humid

Weather

71 mm
Rainfall
4.5 m/s
Wind
Light Breeze
0.6
UV Index
Moderate
11.8h daylight

April

April is cold with highs of 8°C and lows of 0°C. Regular rainfall (81 mm) and partly cloudy skies.

48 Poor

Comfort

Feels Like Cold
C
Temperature
84%
Humidity
Very Humid

Weather

81 mm
Rainfall
4.4 m/s
Wind
Light Breeze
0.9
UV Index
Moderate
13.2h daylight

May

May is cold with highs of 13°C and lows of 5°C. Regular rainfall (95 mm) and partly cloudy skies.

56 Acceptable

Comfort

Feels Like Cold
C
Temperature
13°
85%
Humidity
Very Humid

Weather

95 mm
Rainfall
4.1 m/s
Wind
Light Breeze
1.2
UV Index
High
14.4h daylight

June

June is cool with highs of 16°C and lows of 10°C. Regular rainfall (98 mm) and mostly overcast skies.

62 Good

Comfort

13°
Feels Like Cool
13°C
Temperature
10° 17°
88%
Humidity
Very Humid

Weather

98 mm
Rainfall
3.6 m/s
Wind
Light Breeze
1.4
UV Index
High
15.1h daylight

July

July is cool with highs of 20°C and lows of 15°C. Significant rainfall (142 mm) and mostly overcast skies.

60 Good

Comfort

18°
Feels Like Cool
18°C
Temperature
15° 21°
90%
Humidity
Very Humid

Weather

142 mm
Rainfall
3.5 m/s
Wind
Light Breeze
1.4
UV Index
High
14.8h daylight

August

August is the warmest month with highs of 22°C and lows of 17°C. The wettest month with heavy rain (185 mm) and mostly overcast skies.

66 Good

Comfort

20°
Feels Like Mild
20°C
Temperature
17° 23°
88%
Humidity
Very Humid

Weather

185 mm
Rainfall
3.6 m/s
Wind
Light Breeze
1.3
UV Index
High
13.7h daylight

September

September is cool with highs of 19°C and lows of 12°C. Significant rainfall (167 mm) and partly cloudy skies.

62 Good

Comfort

16°
Feels Like Cool
16°C
Temperature
13° 19°
83%
Humidity
Very Humid

Weather

167 mm
Rainfall
3.7 m/s
Wind
Light Breeze
1.0
UV Index
High
12.3h daylight

October

October is cool with highs of 14°C and lows of 6°C. Significant rainfall (113 mm) and partly cloudy skies.

56 Acceptable

Comfort

10°
Feels Like Cool
10°C
Temperature
14°
80%
Humidity
Very Humid

Weather

113 mm
Rainfall
4.1 m/s
Wind
Light Breeze
0.5
UV Index
Moderate
10.9h daylight

November

November is cold with highs of 7°C and lows of 0°C. Significant rainfall (102 mm) and mostly overcast skies.

40 Poor

Comfort

Feels Like Cold
C
Temperature
83%
Humidity
Very Humid

Weather

102 mm
Rainfall
4.5 m/s
Wind
Light Breeze
0.2
UV Index
Low
9.6h daylight

December

December is freezing with highs of 2°C and lows of -5°C. Regular rainfall (81 mm) and mostly overcast skies.

31 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-5°
88%
Humidity
Very Humid

Weather

81 mm
Rainfall
4.4 m/s
Wind
Light Breeze
0.1
UV Index
Low
9.0h daylight

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