Monthly Average Rainy days in Koshu

The number of days each month with rain, snow and hail in Koshu (Yamanashi), Japan.

Most rainy days are in March, April, May, June, July, August and September.
On average, July is the most rainy with 22 days of rain/snow.
On average, December is the driest month with 9 rainy days.
The average annual number of rainy days is 187.

Current rainfall in Koshu

Wed Nov 20

11°C | 6°C

7 km/h

3 mm

overcast and rain

hourly forecast

Thu Nov 21

17°C | 10°C

4 km/h

2.5 mm

broken clouds and chance of rain

hourly forecast

Fri Nov 22

17°C | 7°C

4 km/h

almost 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 Koshu.

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.