Monthly Average Rainy days in Iiyama

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

Most rainy days are in January, February, March, April, May, June, July, August, September, October, November and December.
On average, January is the most rainy with 25 days of rain/snow.
On average, May is the driest month with 16 rainy days.
The average annual number of rainy days is 241.

Current rainfall in Iiyama

Sat Nov 23

5°C | 1°C

7 km/h

14 mm

overcast and heavy rain

hourly forecast

Sun Nov 24

6°C | 2°C

11 km/h

4.8 mm

broken clouds and rain

hourly forecast

Mon Nov 25

10°C | 1°C

11 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 Iiyama.

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.

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10 reasons why you should visit Japan in winter

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