When to go · Yamanashi
Yamanashi in August
Avoid month. Listed as a month to avoid: Jul–Aug (heat, occasional rain).
Key facts
- Verdict
- Avoid
- Temperature
- 31°C (88°F)88°F (31°C) / 20°C (68°F)68°F (20°C)
- average high / low
- Rain days
- 12
- Crowds
- High
- Japan overall
- Prices
- High
- Japan overall
Verdict
Listed as a month to avoid: Jul–Aug (heat, occasional rain).
Is another month better than August?
August is rated avoid. These months rate higher:
Weather in August
- YamanashiHighs around 31 °C (88 °F), lows around 20 °C (68 °F), rain on about 12 daysHighs around 88 °F (31 °C), lows around 68 °F (20 °C), rain on about 12 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Obon big impact
About 13–16 Aug · Japan
Family travel peak; Shinkansen and expressways jammed; some small shops close.
Crowds and prices
- Crowds · Japan overall
- High
- Prices · Japan overall
- High
Japan overall: Hottest month and Obon travel peak: go north (Hokkaidō, Tōhoku) or plan short outdoor windows.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Yamanashi, side by side.
Verdict
Aug: Avoid
Mar: Great (better)
Daytime high
Aug: 31 °C (88 °F)88 °F (31 °C)
Mar: 13 °C (55 °F)55 °F (13 °C)
Night low
Aug: 20 °C (68 °F)68 °F (20 °C)
Mar: 3 °C (37 °F)37 °F (3 °C)
Rain days
Aug: 12
Mar: 7 (better)
Crowds
Aug: High
Mar: High
Prices
Aug: High
Mar: High
Festivals listed
Aug: 1
Mar: 1
August: Listed as a month to avoid: Jul–Aug (heat, occasional rain).
March: Inside Yamanashi's best window: Mar–May, Oct–Nov.
Yamanashi: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast