Dayton, IA has a humid continental climate with warm summers and cold winters. The average temperature in July is 74 °F and the average temperature in January is 21 °F. Precipitation is generally evenly distributed throughout the year, with an average of 30 inches per year. Snowfall can vary greatly from year to year, but typically ranges between 15-30 inches annually. Summer months tend to be sunny and dry, while winter tends to bring more frequent snow storms and bitterly cold temperatures.
Dayton, Iowa gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Dayton averages 33 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 Dayton. The US average is 205 sunny days.
Dayton gets some kind of precipitation, on average, 107 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 9
Rain: averages 37 inches of rain a year
Snow: averages 33 inches of snow a year