Donnellson, IA has a temperate climate with cold winters and hot summers. The average high temperatures in the summer months of June, July, and August usually range from the mid 70s to the mid 80s Fahrenheit while the average low temperatures for the winter months of December, January, and February typically range from the lower teens to near 30 degrees Fahrenheit. Precipitation is fairly common throughout the year with an average annual rainfall of about 34 inches. Snowfall also occurs each winter but it is usually light compared to more northern parts of Iowa.
Donnellson, Iowa gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Donnellson averages 24 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 204 sunny days per year in Donnellson. The US average is 205 sunny days.
Donnellson gets some kind of precipitation, on average, 101 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 86 degrees
Winter Low: the January low is 16
Rain: averages 39 inches of rain a year
Snow: averages 24 inches of snow a year