Average monthly 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.
Weather Forecasts for Koshu
almost clear and no rain
partly cloudy and small chance of slight rain
partly cloudy and no rain