When to go · Karuizawa
Karuizawa in April
Mixed month. Outside the best window (May–Jun, Oct–Nov). Across Japan: Blossom peak early April and Golden Week at the end: the two most crowded windows of the year.
Key facts
- Verdict
- Mixed
- Temperature
- 12°C54°F / 2°C36°F
- average high / low
- Rain days
- 10
- Crowds
- High
- Japan overall
- Prices
- High
- Japan overall
Verdict
Outside the best window (May–Jun, Oct–Nov). Across Japan: Blossom peak early April and Golden Week at the end: the two most crowded windows of the year.
Weather in April
- KaruizawaHighs around 12 °C, lows around 2 °C, rain on about 10 daysHighs around 54 °F, lows around 36 °F, rain on about 10 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.
Cherry blossom season big impact
Late Mar – mid Apr (moves north through May) · Japan
Kyoto and Tokyo hotels at peak prices; parks crowded from dawn; book months ahead.
Golden Week big impact
29 Apr – 5 May · Japan
The biggest domestic travel week: Shinkansen reserved cars and hotels sell out; prices up.
Crowds and prices
- Crowds · Japan overall
- High
- Prices · Japan overall
- High
Japan overall: Blossom peak early April and Golden Week at the end: the two most crowded windows of the year.
High-price month: see what to book ahead.
What to pack
- A warm coat, hat and gloves for mornings and evenings
- A rain jacket or umbrella and shoes that dry fast