Mount Fuji Weather in August
August in Mount Fuji averages 29°C (84°F) during the day and 21°C (70°F) at night. August is part of the rainy season, with around 198 mm (7.8 in) of rainfall and frequent showers.
Rainfall in Mount Fuji in August
As part of the rainy season, Mount Fuji sees around 19 days of rain in August, with an average of 198 mm (7.8 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Mount Fuji in August
Daytime highs in Mount Fuji in August reach 29°C (84°F), with nights around 21°C (70°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 21°C (70°F), the nights are warm and generally comfortable. This is typically the warmest month of the year, so light summer clothing is a good idea.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Mount Fuji.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Mount Fuji's climate page.
Mount Fuji Temperature in August
Min Temperature
21°C (70°F)
Max Temperature
29°C (84°F)
Chance of Rain
63%
Precipitation
198 mm (7.8 in)
Rainy days
19 days
Humidity
73%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mount Fuji typically stay consistent throughout August, with daily highs averaging around 29°C (84°F). Nights are cool, with lows around 13°C (55°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Mount Fuji in August
Browse day-by-day weather records for Mount Fuji spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mount Fuji historical weather extremes in August
Our historical data for Mount Fuji spans 1976 to 2025, revealing these weather extremes.
- The warmest day in August was on August 30, 2025, with a maximum of 38°C (100°F).
Best Places in Japan in August
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in August →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Mount Fuji in August
Warm but pleasant conditions in Mount Fuji in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions.What To Do in Mount Fuji in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Mount Fuji's climate page.
See the full Mount Fuji climate overview or explore weather in Japan.
