Mount Washiba
Mountain Nagano alpine peak popular among mountaineers
Part of Nagano’s high ranges, Washiba appeals to alpine hikers for long ridgeline walks, summer wildflower meadows and lingering snowfields.
How to Get to Mount Washiba #
Access to Mount Washiba is typically from trailheads in Nagano Prefecture reached by regional buses and local roads. Common approaches start from the Kamikochi area or valley trailheads; plan connections through local transport timetables.
Because routes can be remote, many visitors use established mountain huts and seasonal services during the summer months.
Tips for Visiting Mount Washiba #
- Ascents into the Northern Alps require alpine experience and up-to-date weather forecasts.
- The Ushiro-Tateyama-Shirouma massif is nearby; coordinate routes with local mountain huts (yado) if planning multi-day trips.
- Warmer layers and crampons are needed outside of summer; storms are frequent in shoulder seasons.
Best Time to Visit Mount Washiba #
July-August is the primary season for non-technical access and for alpine flowers; shoulder seasons require caution.
Weather & Climate near Mount Washiba #
Mount Washiba's climate is classified as Subarctic - Subarctic climate with cool summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -18°C to 17°C. Heavy rainfall (2212 mm/year), wettest in August.
January
January is the coldest month with highs of -9°C and lows of -18°C. Moderate rainfall (73 mm), mostly overcast skies, and breezy conditions.
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February
February is freezing with highs of -8°C and lows of -18°C. Regular rainfall (84 mm), mostly overcast skies, and breezy conditions.
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March
March is freezing with highs of -5°C and lows of -15°C. Significant rainfall (126 mm), mostly overcast skies, and breezy conditions.
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April
April is freezing with highs of 2°C and lows of -8°C. Significant rainfall (174 mm), partly cloudy skies, and breezy conditions.
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May
May is cold with highs of 7°C and lows of -3°C. Significant rainfall (197 mm), mostly overcast skies, and breezy conditions.
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June
June is cold with highs of 12°C and lows of 2°C. Heavy rain (276 mm), mostly overcast skies, and breezy conditions.
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July
July is cool with highs of 15°C and lows of 7°C. Heavy rain (309 mm) and mostly overcast skies.
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August
August is cool with highs of 17°C and lows of 8°C. The wettest month with heavy rain (336 mm) and mostly overcast skies.
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September
September is cold with highs of 13°C and lows of 4°C. Heavy rain (295 mm), mostly overcast skies, and breezy conditions.
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October
October is cold with highs of 7°C and lows of -2°C. Significant rainfall (158 mm), partly cloudy skies, and breezy conditions.
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November
November is freezing with highs of 1°C and lows of -9°C. Significant rainfall (112 mm), partly cloudy skies, and breezy conditions.
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December
December is freezing with highs of -5°C and lows of -15°C. Moderate rainfall (72 mm), mostly overcast skies, and breezy conditions.
