St. Donatus, IA has a humid continental climate, with hot summers and cold winters. The average high in the summer is 80°F (27°C) and the average low in the winter is 15°F (-9°C). Precipitation levels are moderate throughout the year, with an average of 37 inches of rainfall annually. Snowfall can vary, but is usually around 27 inches during the winter months. The area has an average of 32 days of sunshine each year.
St. Donatus, Iowa gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
St. Donatus averages 32 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 189 sunny days per year in St. Donatus. The US average is 205 sunny days.
St. Donatus gets some kind of precipitation, on average, 111 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 84 degrees
Winter Low: the January low is 10
Rain: averages 37 inches of rain a year
Snow: averages 32 inches of snow a year