Mason City (IA) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Mason City (Iowa). The numbers are calculated over a 30-year period to provide a reliable average.
- A lot of rain (rainy season) falls in the months: April, May and June.
- On average, June is the wettest month with 145 mm of precipitation.
- On average, January is the driest month with 18 mm of precipitation.
- The average amount of annual precipitation is 920 mm.
Current rainfall in Mason City (IA)
overcast and no rain
almost clear and no rain
partly cloudy and small chance of slight rain