Karuizawa, Japan: Best time to go and average weather

Get the best time to go to Karuizawa in Japan from seasonal averages, below.

Best time to go to Japan?

When is the best time to go to Karuizawa?

When is the best time to go to Karuizawa? Here's some information to help you in your decision:

  • The best months for good weather in Karuizawa are May and September
  • On average, the warmest months are July and August
  • January is the coldest month of the year
  • The rainiest months are July and August

For full information about the climate and weather in Karuizawa a specific month, click on the corresponding line below:

Month Our opinion View Details
very bad weather Karuizawa in january
very bad weather Karuizawa in february
very bad weather Karuizawa in march
tolerable weather Karuizawa in april
good weather Karuizawa in may
tolerable weather Karuizawa in june
tolerable weather Karuizawa in july
tolerable weather Karuizawa in august
good weather Karuizawa in september
tolerable weather Karuizawa in october
bad weather Karuizawa in november
very bad weather Karuizawa in december

Weather and climate in Karuizawa

  • Between the months of january and march the climate is very unfavorable. The temperature rises to 7°C and it rains about 47% of the time in march.
  • In april the climate is correct. By early evening, the temperature averages 9°C and it rains about 124mm each month.
  • In may the climate is beautiful. The record temperature this month is 32°C and it rains about 140mm each month.
  • In the month of june the climate is not good, but still OK. At lunchtime, it's 23°C in average.
  • In july the climate is very unfavorable. the thermometer goes up to 28°C°C and, in july, 28 days of rain are expected.
  • In the month of august the climate is just OK. It is for example 29°C as maximum temperature in august and, in august, 25 days of rain are expected.
  • In september the climate is beautiful. The record temperature this month is 31°C.
  • In october the climate is not good, but still OK. The record temperature this month is 27°C and it rains in october about 185mm.
  • In the month of november the climate is not good. the thermometer goes up to 11°C°C and it rains about 31% of the time in november.
  • In the month of december the climate is the worst possible. It is for example 4°C as maximum temperature in december and it rains about 85mm each month.



Chart: temperature and rainfall in Karuizawa

The chart below allows you to look at the following seasonal norms for the city of Karuizawa: minimum and maximum temperatures, and the monthly volume of precipitation for each month of the year.

Map of Japan

Karuizawa appears on the map below with a blue icon. The other cities or locations in Japan appear on the map with a black icon. Click for information about the climate.

Karuizawa other locations

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