Mount Motoshirane

Volcano Mountain in Gunma Prefecture, popular for hiking

Main image
CKT7511-C3A-18.jpg
Mount Kusatsu-Shirane 2012-12-04 - panoramio.jpg
Mount Motoshirane 2009-04-13.jpg
Mount Motoshirane 2014 - panoramio.jpg
Mount Motoshirane with Shirane Kazan Ropeway 2009 - panoramio.jpg
Omotemannza.jpg
長野原 - panoramio.jpg
Mount Motoshirane
Mount Motoshirane, Gunma Prefecture, Japan
36.6249, 138.5377

How to Get to Mount Motoshirane #

Access via rural roads in Gunma Prefecture; public transport options include local buses from nearest towns-check prefectural tourism websites for specific route timetables.

Tips for Visiting Mount Motoshirane #

  • If visiting in winter, check local avalanche and road conditions-snow changes access to higher trails.
  • Try local onsen towns nearby after a day of hiking to soothe muscles.
  • Look for interpretive signs at trailheads explaining the mountain's volcanic history.

Best Time to Visit Mount Motoshirane #

Best in summer for hiking; winter offers snow scenery but requires equipment and caution.

Summer (Jun-Sep)
June-September · 10-25°C
Hiking season with cooler high-altitude temperatures and wildflowers.
Winter (Dec-Mar)
December-March · -10-5°C
Snow and possible winter sports; check local conditions.

Weather & Climate near Mount Motoshirane #

Climate

Mount Motoshirane'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 -13°C to 21°C. Abundant rainfall (1950 mm/year), wettest in August.

Best Time to Visit
AugustJulySeptember
Temperature & Rainfall
Temperature Range
30°
Warmest Month
-15°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of -4°C and lows of -13°C. Moderate rainfall (60 mm) and partly cloudy skies.

35 Poor

Comfort

-9°
Feels Like Freezing
-9°C
Temperature
-13° -4°
93%
Humidity
Very Humid

Weather

60 mm
Rainfall
5.8 m/s
Wind
Light Breeze
0.3
UV Index
Low
9.8h daylight

February

February is freezing with highs of -4°C and lows of -13°C. Moderate rainfall (71 mm) and partly cloudy skies.

39 Poor

Comfort

-8°
Feels Like Freezing
-8°C
Temperature
-13° -4°
92%
Humidity
Very Humid

Weather

71 mm
Rainfall
5.8 m/s
Wind
Light Breeze
0.5
UV Index
Moderate
10.7h daylight

March

March is freezing with highs of 0°C and lows of -10°C. Significant rainfall (102 mm) and partly cloudy skies.

35 Poor

Comfort

-5°
Feels Like Freezing
-5°C
Temperature
-10°
85%
Humidity
Very Humid

Weather

102 mm
Rainfall
5.9 m/s
Wind
Light Breeze
0.8
UV Index
Moderate
11.8h daylight

April

April is cold with highs of 7°C and lows of -4°C. Significant rainfall (145 mm), partly cloudy skies, and breezy conditions.

40 Poor

Comfort

Feels Like Cold
C
Temperature
-4°
81%
Humidity
Very Humid

Weather

145 mm
Rainfall
6.2 m/s
Wind
Breezy
1.2
UV Index
High
13.0h daylight

May

May is cold with highs of 13°C and lows of 1°C. Significant rainfall (164 mm) and partly cloudy skies.

50 Acceptable

Comfort

Feels Like Cold
C
Temperature
13°
80%
Humidity
Very Humid

Weather

164 mm
Rainfall
5.3 m/s
Wind
Light Breeze
1.5
UV Index
High
14.0h daylight

June

June is cool with highs of 16°C and lows of 6°C. Heavy rain (240 mm) and mostly overcast skies.

52 Acceptable

Comfort

11°
Feels Like Cool
11°C
Temperature
16°
84%
Humidity
Very Humid

Weather

240 mm
Rainfall
4.7 m/s
Wind
Light Breeze
1.5
UV Index
Very High
14.5h daylight

July

July is cool with highs of 20°C and lows of 11°C. Heavy rain (262 mm) and mostly overcast skies.

54 Acceptable

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 20°
86%
Humidity
Very Humid

Weather

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

August

August is cool with highs of 21°C and lows of 12°C. The wettest month with heavy rain (313 mm) and mostly overcast skies.

56 Acceptable

Comfort

16°
Feels Like Cool
16°C
Temperature
12° 21°
86%
Humidity
Very Humid

Weather

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

September

September is cool with highs of 16°C and lows of 8°C. Heavy rain (282 mm) and mostly overcast skies.

54 Acceptable

Comfort

12°
Feels Like Cool
12°C
Temperature
17°
87%
Humidity
Very Humid

Weather

282 mm
Rainfall
4.6 m/s
Wind
Light Breeze
1.2
UV Index
High
12.3h daylight

October

October is cold with highs of 11°C and lows of 2°C. Significant rainfall (158 mm) and partly cloudy skies.

50 Acceptable

Comfort

Feels Like Cold
C
Temperature
11°
88%
Humidity
Very Humid

Weather

158 mm
Rainfall
5.6 m/s
Wind
Light Breeze
0.8
UV Index
Moderate
11.1h daylight

November

November is cold with highs of 6°C and lows of -4°C. Regular rainfall (97 mm) and partly cloudy skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
-4°
89%
Humidity
Very Humid

Weather

97 mm
Rainfall
5.6 m/s
Wind
Light Breeze
0.5
UV Index
Low
10.1h daylight

December

December is freezing with highs of 0°C and lows of -9°C. Moderate rainfall (56 mm) and partly cloudy skies.

41 Poor

Comfort

-5°
Feels Like Freezing
-5°C
Temperature
-9°
91%
Humidity
Very Humid

Weather

56 mm
Rainfall
5.3 m/s
Wind
Light Breeze
0.3
UV Index
Low
9.6h daylight

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