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Yamanashi

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Travel Info
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Travel Info

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Yamanashi Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Yamanashi year round climate

  • Spring (March–May): Average 52–66°F, mild climate but with relatively heavy rainfall, especially frequent in April and May. Common activities: Flower viewing, hiking (be aware of changing weather conditions). Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): Average 73–82°F, hot and humid, occasional thunderstorms. Common activities: Hot spring bathing, outdoor swimming, appreciating Mount Fuji views. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 66–58°F, cool and comfortable, more rainfall in September, drier weather after October. Common activities: Viewing autumn leaves, fruit picking. Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 48–45°F, cold and dry, occasional snowfall. Common activities: Skiing, hot spring therapy. Recommended clothing: Warm jacket, hat, gloves, scarf.

Yamanashi climatological average

Annual average temperature: approx. 62.6°F / Annual rainfall: approx. 1490 mm / Summer humidity: 70%–80% / Rainiest month: September

Yamanashi monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
43.5°F
27.7
February
45.1°F
60.7
March
52.3°F
126.3
April
61°F
148.9
May
66.4°F
194.4
June
73°F
232.7
July
82.8°F
116.7
August
82.8°F
132.8
September
79°F
245.9
October
66.7°F
107
November
58.8°F
69
December
48.2°F
27.8

Yamanashi weather for the next seven days

12/18
Thursday
Partly Cloudy
53.6°F/46.1°F
12/19
Friday
Partly Cloudy
54.7°F/46.2°F
12/20
Saturday
Patchy rain nearby
66.1°F/52.7°F
12/21
Sunday
Patchy rain nearby
66.1°F/59.1°F
12/22
Monday
Moderate rain
54.6°F/46.6°F
12/23
Tuesday
Moderate rain
50.5°F/44.2°F
12/24
Wednesday
Sunny
58.6°F/50.1°F

Yamanashi Frequently Asked Questions and Useful Information for Travel

What are the must-visit attractions in Yamanashi Prefecture?

Yamanashi Prefecture boasts rich natural beauty and theme parks. Must-visit attractions include Shosenkyo Gorge, hailed as 'Japan's most beautiful valley,' and the thrilling Fuji-Q Highland. Additionally, Narusawa Hyoketsu (Ice Cave) and Fugaku Fuketsu (Wind Cave) showcase unique underground landscapes, while Oshino Hakkai is famous for its spring water originating from Mt. Fuji's melted snow, making it a great place to experience Japanese culture.

Is Oshino Hakkai a must-visit attraction in Yamanashi Prefecture?

Oshino Hakkai is a highly representative attraction in Yamanashi Prefecture. The water for these eight ponds comes from the melted snow of Mt. Fuji, and the water quality is exceptionally clear, having been selected as one of Japan's Top 100 Famous Waters. Besides admiring the springs, you can experience traditional thatched-roof houses, winter snowscapes, spectacular views of Mt. Fuji, and savor local delicacies like soba noodles and kusamochi, making it well worth a visit.

How many days are needed to visit Mt. Fuji?

The number of days required to visit Mt. Fuji depends on your itinerary. If you only plan to admire the scenery of Mt. Fuji, one day is sufficient. If your trip includes climbing the mountain, it will take at least 1 day to 1 night. It is recommended to allocate 2 to 3 days to explore the popular attractions around Mt. Fuji in depth and fully enjoy the natural scenery of Yamanashi.

How to get to Yamanashi Prefecture from Tokyo?

Getting to Yamanashi Prefecture from Tokyo is very convenient. You can take the JR Chuo Line Limited Express train from Shinjuku Station, which takes about 1.5 hours. There is no airport within Yamanashi Prefecture. If you are traveling from overseas, it is recommended to fly to Tokyo first, then transfer to the JR Chuo Line to Yamanashi.

What attractions in Yamanashi Prefecture are suitable for family fun?

Yamanashi Prefecture is very suitable for family travel. Fuji-Q Highland is a renowned amusement park in Japan, offering a variety of thrilling rides and themed activities that will entertain both adults and children. Furthermore, natural attractions like Narusawa Hyoketsu and Fugaku Fuketsu allow children to learn interesting geographical knowledge while playing.