Average monthly snow and rainfall in Oyama
The mean monthly precipitation over the year in Oyama (Tochigi), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: March, April, May, June, July, August, September and October.
- On average, September is the wettest month with 221 mm of precipitation.
- On average, December is the driest month with 55 mm of precipitation.
- The average amount of annual precipitation is 1654 mm.
Weather Forecasts for Oyama
almost clear and small chance of slight rain
broken clouds and no rain
broken clouds and chance of rain