Iiyama Precipitation: Average Monthly Rainfall and Snowfall

This graph shows the average amount of rainfall per month in Iiyama (Nagano). The numbers are calculated over a 30-year period to provide a reliable average.

A lot of rain (rainy season) falls in the months: January, February, March, April, May, June, July, August, September, October, November and December.
On average, July is the wettest month with 257 mm of precipitation.
On average, April is the driest month with 126 mm of precipitation.
The average amount of annual precipitation is 2163 mm.

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.

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