Average Monthly Sunshine hours in Karuizawa

This graph shows the average number of hours per month that Karuizawa receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Data from: Nagano, Japan (52 KM, 32 Miles).

On average, May is the sunniest month with 209 hours of sunshine.
January has on average the lowest amount of sunshine with 128 hours.
On average, the total annual amount of sun is 1940 hours.

Forecast: is it sunny in Karuizawa?

Sat Nov 23

8°C | 0°C

14 km/h

almost clear and no rain

hourly forecast

Sun Nov 24

10°C | -1°C

7 km/h

clear and no rain

hourly forecast

Mon Nov 25

11°C | -1°C

7 km/h

clear and no rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

This site provides you with all the information you need about the climate in Karuizawa.

Our site offers climate and forecast data for every country in the world. Are you going to Japan? On this website you can find historical weather averages for many cities in Japan. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Travel Inspiration

Chase the autumn leaves in Japan

Japan is one of these cases which turns into a gold, yellow and orange fairy tale starting from September. And we can honestly say: We cannot imagine a more beautiful season to visit Japan.

Walk the 88 temple circuit

We recommend walking the 88 temple circuit from April til October. Although June, July and August can be a bit wet, hot and humid.

The famous bamboo forests of Arashiyama

The famous bamboo forests of Arashiyama lie just outside the city center of Kyoto and is unique in the world. If you look at photos of this bamboo forest, it looks like you have landed in a fairy-tale world.

10 reasons why you should visit Japan in winter

Here are 10 reasons why you should plan a winter trip to Japan. During this period, popular sights are less busy and prices for flights and hotels much cheaper.