What are the climate conditions at the summit of Mount Fuji?

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Mount Fuji Fog in the foreground of Mount Fuji, Japan.

The summit of Mount Fuji experiences alpine climate conditions that differ significantly from the temperate to subtropical climate found at its base.1

Key characteristics of the summit's climate include:

Temperature: Average temperatures range from approximately −2.2 °F (−19 °C) during the winter to about 44 °F (6.8 °C) in the summer.1
Precipitation and Snow: The area receives an average annual precipitation of about 89 inches (2,272 mm), with the heaviest rainfall occurring in the summer months. The summit is typically covered in snow for much of the year, with accumulation usually beginning in early autumn.1
Environmental Trends: Recent years have seen shifts in these conditions, including rising temperatures at the summit and an upward shift of the tree line, which are linked to broader changes in the climate.1