Average monthly snow and rainfall in Waterloo (IA)
The mean monthly precipitation over the year in Waterloo (Iowa), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: April, May, June, July and August.
- On average, June is the wettest month with 144 mm of precipitation.
- On average, January is the driest month with 22 mm of precipitation.
- The average amount of annual precipitation is 970 mm.
Forecast for Waterloo (IA)
broken clouds and thunder
partly cloudy and thunder
almost clear and no rain