When to go · Karuizawa
Karuizawa in March
Good month. Outside the best window (May–Jun, Oct–Nov). Across Japan: Blossom arrives late in the month: prices jump, book early.
Key facts
- Verdict
- Good
- Temperature
- 5°C (41°F)41°F (5°C) / −4°C (25°F)25°F (−4°C)
- 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 arrives late in the month: prices jump, book early.
Is another month better than March?
March is rated good. These months rate higher:
Weather in March
- KaruizawaHighs around 5 °C (41 °F), lows around -4 °C (25 °F), rain on about 10 daysHighs around 41 °F (5 °C), lows around 25 °F (-4 °C), 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.
Crowds and prices
- Crowds · Japan overall
- High
- Prices · Japan overall
- High
Japan overall: Blossom arrives late in the month: prices jump, book early.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Karuizawa, side by side.
Verdict
Mar: Good
May: Great (better)
Daytime high
Mar: 5 °C (41 °F)41 °F (5 °C)
May: 17 °C (63 °F)63 °F (17 °C)
Night low
Mar: -4 °C (25 °F)25 °F (-4 °C)
May: 8 °C (46 °F)46 °F (8 °C)
Rain days
Mar: 10 (better)
May: 11
Crowds
Mar: High
May: Medium
Prices
Mar: High
May: Medium
Festivals listed
Mar: 1
May: 1
March: Outside the best window (May–Jun, Oct–Nov). Across Japan: Blossom arrives late in the month: prices jump, book early.
May: Inside Karuizawa's best window: May–Jun, Oct–Nov.
Karuizawa: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings
- A rain jacket or umbrella and shoes that dry fast