Average monthly snow and rainfall in Storm Lake (IA)
The mean monthly precipitation over the year in Storm Lake (Iowa), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: May, June and August.
- On average, June is the wettest month with 134 mm of precipitation.
- On average, January is the driest month with 14 mm of precipitation.
- The average amount of annual precipitation is 824 mm.
Forecast for Storm Lake (IA)
broken clouds and thunder
partly cloudy and small chance of slight rain
almost clear and no rain