Mahaska, IA County has a humid continental climate, with cold winters and hot, muggy summers. The average temperature in the winter months ranges from 20-35 degrees F, while the summer months range from 60-90 degrees F. Winters usually bring some snowfall, with an average of around 25 inches per year. Summers are often quite humid, usually accompanied by sporadic thunderstorms. Overall, the weather is generally mild and pleasant throughout the year.
Mahaska County, Iowa gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mahaska County averages 26 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 198 sunny days per year in Mahaska County. The US average is 205 sunny days.
Mahaska County gets some kind of precipitation, on average, 100 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 85 degrees
Winter Low: the January low is 12
Rain: averages 38 inches of rain a year
Snow: averages 26 inches of snow a year