When to go · Karuizawa
Karuizawa in May
Great month. Inside Karuizawa's best window: May–Jun, Oct–Nov.
Key facts
- Verdict
- Great
- Temperature
- 17°C (63°F)63°F (17°C) / 8°C (46°F)46°F (8°C)
- average high / low
- Rain days
- 11
- Crowds
- Medium
- Japan overall
- Prices
- Medium
- Japan overall
Verdict
Inside Karuizawa's best window: May–Jun, Oct–Nov.
Is another month better than May?
No other month rates higher than May for Karuizawa in this guide.
Weather in May
- KaruizawaHighs around 17 °C (63 °F), lows around 8 °C (46 °F), rain on about 11 daysHighs around 63 °F (17 °C), lows around 46 °F (8 °C), rain on about 11 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.
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
- Medium
- Prices · Japan overall
- Medium
Japan overall: After Golden Week, one of the best months: warm, green, calmer.
Compare two months
Weather, crowds and prices for any two months in Karuizawa, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 17 °C (63 °F)63 °F (17 °C)
Jun: 20 °C (68 °F)68 °F (20 °C)
Night low
May: 8 °C (46 °F)46 °F (8 °C)
Jun: 12 °C (54 °F)54 °F (12 °C)
Rain days
May: 11 (better)
Jun: 14
Crowds
May: Medium
Jun: Low
Prices
May: Medium
Jun: Medium
Festivals listed
May: 1
Jun: 0
May: Inside Karuizawa's best window: May–Jun, Oct–Nov.
June: 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 layer for the evenings
- A rain jacket or umbrella and shoes that dry fast