Best time to go to Karuizawa Average weather of Karuizawa, 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 month for good weather in Karuizawa is May
On average, the warmest months are July and August
The coldest months are January and February
The rainiest months are July and August

Annual weather in Karuizawa

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

Month			Our opinion
January	22°F/32°F	4.6in	very bad weather	Karuizawa in january
February	23°F/34°F	4.5in	very bad weather	Karuizawa in february
March	31°F/43°F	6.4in	very bad weather	Karuizawa in march
April	40°F/56°F	7.1in	very bad weather	Karuizawa in april
May	52°F/67°F	8in	good weather	Karuizawa in may
June	59°F/72°F	11.7in	tolerable weather	Karuizawa in june
July	67°F/79°F	16.6in	bad weather	Karuizawa in july
August	68°F/81°F	15in	tolerable weather	Karuizawa in august
September	59°F/72°F	10.7in	tolerable weather	Karuizawa in september
October	49°F/61°F	10.2in	tolerable weather	Karuizawa in october
November	38°F/50°F	4.4in	very bad weather	Karuizawa in november
December	27°F/38°F	4in	very bad weather	Karuizawa in december

Weather and climate in Karuizawa

Karuizawa enjoys a humid subtropical climate (without dry season and with hot summer) in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Karuizawa is 58°F (ranging from 32°F in january to 81°F in august). Annual rainfall is 103in, with a minimum of 4in in december and a maximum of 16.6in in july.

Between the months of january and march the climate is very unfavorable. The temperature rises to 43°F and it rains about 26% of the time in march.
In april the climate is correct. By early evening, the temperature averages 45°F and it rains about 7.1in each month.
In may the climate is beautiful. The record temperature this month is 88°F and it rains about 8in each month.
In the month of june the climate is not good, but still OK. At lunchtime, it's 72°F in average.
In july the climate is very unfavorable. the thermometer goes up to 79°F°C and, in july, 21 days of rain are expected.
In the month of august the climate is just OK. It is for example 81°F as maximum temperature in august and, in august, 18 days of rain are expected.
In september the climate is beautiful. The record temperature this month is 86°F.
In october the climate is not good, but still OK. The record temperature this month is 77°F and it rains in october about 10.2in.
In the month of november the climate is not good. the thermometer goes up to 50°F°C and it rains about 16% of the time in november.
In the month of december the climate is the worst possible. It is for example 38°F as maximum temperature in december and it rains about 4in each month.

Charts: temperature and rainfall in Karuizawa

In the charts below, you can see the following seasonal norms for the city of Karuizawa: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Humidity

Peak visitor numbers and tourist seasons in Karuizawa

Find out when Karuizawa has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.

Tourist seasons in Karuizawa

Very low season in Karuizawa
The months with the lowest number of tourists are: January, February, March and April.
Low season in Karuizawa
The months with low numbers of tourists are: June.
High season in Karuizawa
The number of visitors to Karuizawa is high in: May, July, September, October, November and December.
Peak season in Karuizawa
The largest number of tourists visiting Karuizawa is during: August.

Figure: Visitor index for Karuizawa month by month

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Best time for low prices in Karuizawa

Average prices of hotels in Karuizawa month by month

Generally, March is the month with the lowest hotel prices in Karuizawa. So this is a great time to save on your holiday! In contrast, August is statistically the most expensive month of the year for hotels.