Mount Kurobi

Volcano Mountain in Gunma Prefecture with forested slopes

Mount Kurobi in Gunma serves as a local hiking destination with trails and seasonal foliage; visitors often link it to nearby rural towns.

Main image
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Summit of Mount Kurobi @ Mount Akagi area (14018397878).jpg
Summit of Mount Kurobi @ Mount Akagi area (14018397948).jpg
Summit of Mount Kurobi @ Mount Akagi area (14018399259).jpg
Mount Kurobi
36.5608, 139.1934

How to Get to Mount Kurobi #

Reachable by local roads from nearby towns in Gunma Prefecture; regional buses may service trailhead areas seasonally. Driving is the most straightforward option.

Tips for Visiting Mount Kurobi #

  • Start early to avoid fog and trapped low cloud on the ridges.
  • Learn the local trail markers; some routes are steep and best suited for experienced hikers.

Best Time to Visit Mount Kurobi #

Avoid winter unless properly equipped; late spring through early autumn provides the most reliable conditions for day hikes.

Late spring-early autumn (May-October)
May-Oct · 8-20°C (46-68°F)
Pleasant hiking conditions and clearer skies.

Weather & Climate near Mount Kurobi #

Climate

Mount Kurobi's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in August) and freezing winters (coldest in February). Temperatures range from -9°C to 22°C. Abundant rainfall (1932 mm/year), wettest in August.

Best Time to Visit
AugustDecemberJuly
Temperature & Rainfall
Temperature Range
35°
Warmest Month
-11°
Coldest Month
Monthly Conditions

January

January is freezing with highs of 0°C and lows of -9°C. Moderate rainfall (51 mm).

47 Poor

Comfort

-4°
Feels Like Freezing
-4°C
Temperature
-9°
82%
Humidity
Very Humid

Weather

51 mm
Rainfall
4.4 m/s
Wind
Light Breeze
0.3
UV Index
Low
9.8h daylight

February

February is the coldest month with highs of 0°C and lows of -9°C. Moderate rainfall (68 mm) and partly cloudy skies.

43 Poor

Comfort

-5°
Feels Like Freezing
-5°C
Temperature
-9°
80%
Humidity
Very Humid

Weather

68 mm
Rainfall
4.5 m/s
Wind
Light Breeze
0.6
UV Index
Moderate
10.7h daylight

March

March is freezing with highs of 3°C and lows of -7°C. Regular rainfall (97 mm) and partly cloudy skies.

50 Acceptable

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-7°
77%
Humidity
Very Humid

Weather

97 mm
Rainfall
4.7 m/s
Wind
Light Breeze
0.8
UV Index
Moderate
11.8h daylight

April

April is cold with highs of 10°C and lows of -1°C. Significant rainfall (141 mm) and partly cloudy skies.

52 Acceptable

Comfort

Feels Like Cold
C
Temperature
-1° 10°
75%
Humidity
Very Humid

Weather

141 mm
Rainfall
4.9 m/s
Wind
Light Breeze
1.2
UV Index
High
13.0h daylight

May

May is cold with highs of 15°C and lows of 4°C. Significant rainfall (159 mm) and mostly overcast skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
15°
76%
Humidity
Very Humid

Weather

159 mm
Rainfall
4.4 m/s
Wind
Light Breeze
1.4
UV Index
High
14.0h daylight

June

June is cool with highs of 18°C and lows of 9°C. Heavy rain (234 mm) and mostly overcast skies.

52 Acceptable

Comfort

13°
Feels Like Cool
13°C
Temperature
18°
80%
Humidity
Very Humid

Weather

234 mm
Rainfall
3.8 m/s
Wind
Light Breeze
1.4
UV Index
High
14.5h daylight

July

July is cool with highs of 21°C and lows of 13°C. Heavy rain (245 mm) and mostly overcast skies.

54 Acceptable

Comfort

17°
Feels Like Cool
17°C
Temperature
13° 21°
82%
Humidity
Very Humid

Weather

245 mm
Rainfall
3.6 m/s
Wind
Light Breeze
1.6
UV Index
Very High
14.2h daylight

August

August is the warmest month with highs of 22°C and lows of 14°C. The wettest month with heavy rain (340 mm) and mostly overcast skies.

64 Good

Comfort

18°
Feels Like Mild
18°C
Temperature
14° 23°
82%
Humidity
Very Humid

Weather

340 mm
Rainfall
3.9 m/s
Wind
Light Breeze
1.6
UV Index
Very High
13.4h daylight

September

September is cool with highs of 18°C and lows of 11°C. Heavy rain (295 mm) and mostly overcast skies.

54 Acceptable

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 18°
83%
Humidity
Very Humid

Weather

295 mm
Rainfall
3.7 m/s
Wind
Light Breeze
1.2
UV Index
High
12.3h daylight

October

October is cold with highs of 13°C and lows of 4°C. Significant rainfall (167 mm) and partly cloudy skies.

50 Acceptable

Comfort

Feels Like Cold
C
Temperature
13°
83%
Humidity
Very Humid

Weather

167 mm
Rainfall
4.1 m/s
Wind
Light Breeze
0.8
UV Index
Moderate
11.1h daylight

November

November is cold with highs of 8°C and lows of -1°C. Regular rainfall (91 mm) and partly cloudy skies.

50 Acceptable

Comfort

Feels Like Cold
C
Temperature
-1°
82%
Humidity
Very Humid

Weather

91 mm
Rainfall
3.9 m/s
Wind
Light Breeze
0.5
UV Index
Low
10.1h daylight

December

December is freezing with highs of 3°C and lows of -6°C. Moderate rainfall (44 mm).

58 Acceptable

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-6°
82%
Humidity
Very Humid

Weather

44 mm
Rainfall
4.4 m/s
Wind
Light Breeze
0.3
UV Index
Low
9.6h daylight

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