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Yamanashi

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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 11.3–19.1°C, 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 22.8–28.2°C, 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 19.3–14.9°C, 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 9.0–7.3°C, 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. 17°C / Annual rainfall: approx. 1490 mm / Summer humidity: 70%–80% / Rainiest month: September

Yamanashi monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
6.4°C
27.7
February
7.3°C
60.7
March
11.3°C
126.3
April
16.1°C
148.9
May
19.1°C
194.4
June
22.8°C
232.7
July
28.2°C
116.7
August
28.2°C
132.8
September
26.1°C
245.9
October
19.3°C
107
November
14.9°C
69
December
9°C
27.8

Yamanashi weather for the next seven days

8/19
Wednesday
Patchy rain nearby
33.1°C/23.7°C
8/20
Thursday
Overcast
32.5°C/23.3°C
8/21
Friday
Overcast
32.5°C/24.3°C
8/22
Saturday
Light rain shower
28.5°C/24.5°C
8/23
Sunday
Overcast
29.2°C/23°C
8/24
Monday
Sunny
31.5°C/23.6°C
8/25
Tuesday
Overcast
32.6°C/24.1°C

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.