Average monthly snow and rainfall in Iiyama
The mean monthly precipitation over the year in Iiyama (Nagano), including rain, snow, hail.
- 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.
Weather Forecasts for Iiyama
overcast and chance of rain
partly cloudy and rain
partly cloudy and small chance of slight rain