When to go · Karuizawa
Karuizawa in August
Avoid month. Listed as a month to avoid: Jul–Aug weekends (crowded, wet), Jan–Feb (cold, icy roads).
Key facts
- Verdict
- Avoid
- Temperature
- 25°C77°F / 17°C63°F
- average high / low
- Rain days
- 13
- Crowds
- High
- Japan overall
- Prices
- High
- Japan overall
Verdict
AvoidBest and avoid months for Karuizawa
Listed as a month to avoid: Jul–Aug weekends (crowded, wet), Jan–Feb (cold, icy roads).
Weather in August
- KaruizawaHighs around 25 °C, lows around 17 °C, rain on about 13 daysHighs around 77 °F, lows around 63 °F, rain on about 13 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.
What to pack
- A rain jacket or umbrella and shoes that dry fast