Mount Asahi (Yamagata) Mountains

Yamagata mountain popular for skiing and hiking

Mountain in Yamagata Prefecture visited by regional hikers; established routes offer alpine scenery and seasonal snowfields.

Main image
古寺鉱泉2016.jpg
古寺鉱泉跡2022.jpg
寒河江川、小朝日岳、大朝日岳 Sagae River, Ko-asahi-dake, O-asahi-dake - panoramio.jpg
小朝日岳からの朝日連峰.jpg
朝日連峰古寺案内センター.jpg

Mount Asahi (Yamagata) at a Glance#

How to Get to Mount Asahi (Yamagata)#

Access typically from nearby towns in Yamagata Prefecture by local bus or car; trailheads require a short drive from the nearest railway stations.

Tips for Visiting Mount Asahi (Yamagata)#

  • Mountain weather is changeable - check forecasts and expect wind and sudden temperature drops.
  • Local huts and mountain facilities may be seasonal; plan logistics ahead of time.
  • For non-technical ascents, choose routes recommended by local guidebooks and obey signage.

Best Time to Visit Mount Asahi (Yamagata)#

Best in summer for hiking; winter conditions require mountaineering skills.

Summer
Jun-Aug · 8-20°C
Best for hiking, while higher elevations remain cool.
Autumn
Sep-Nov · -2-12°C
Clearer skies and autumn colours, though colder at altitude.

Weather & Climate near Mount Asahi (Yamagata)#

Climate

Mount Asahi (Yamagata)'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 -12°C to 22°C. Abundant rainfall (1863 mm/year), wettest in August.

Air Quality: AQI 44 Good
Best Time to Visit
AugustJuneJuly
Temperature & Rainfall
Temperature Range
38°
Warmest Month
-15°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -12° - -5° -17° 95 mm overcast 94% 6.8 m/s 0.2 low 9.7h
February Poor -12° - -5° -16° 89 mm overcast 92% 6.3 m/s 0.3 low 10.6h
March Poor -10° - -1° -12° 103 mm overcast 86% 5.7 m/s 0.6 moderate 11.8h
April Poor -3° - 6° -4° 133 mm overcast 81% 5.6 m/s 1.0 high 13.1h
May Poor 2° - 12° 4° 141 mm overcast 79% 4.9 m/s 1.4 high 14.1h
June Acceptable 8° - 16° 12° 185 mm overcast 80% 4.2 m/s 1.5 very high 14.6h
July Acceptable 13° - 20° 16° 228 mm overcast 84% 3.6 m/s 1.6 very high 14.4h
August Good 14° - 22° 18° 271 mm overcast 83% 3.8 m/s 1.6 very high 13.5h
September Acceptable 9° - 17° 13° 235 mm overcast 83% 4.1 m/s 1.2 high 12.3h
October Poor 3° - 11° 4° 153 mm overcast 84% 5.4 m/s 0.7 moderate 11.1h
November Poor -3° - 5° -4° 130 mm overcast 88% 5.6 m/s 0.3 low 10.0h
December Poor -8° - -1° -11° 100 mm overcast 92% 6.1 m/s 0.2 low 9.4h