Riverside, IA has a humid continental climate with cold winters and hot, humid summers. January is the coldest month of the year with temperatures averaging around 18°F (-8°C). During the summer months, temperatures in Riverside generally range between 70°F (21°C) and 90°F (32°C). Precipitation in Riverside is typically abundant throughout the year and averages around 37 inches (95 cm) per year. The area gets most of its precipitation during the spring and summer months, but there can be occasional snowfall during winter as well.
Riverside, Iowa gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Riverside averages 28 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 199 sunny days per year in Riverside. The US average is 205 sunny days.
Riverside gets some kind of precipitation, on average, 108 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 13
Rain: averages 37 inches of rain a year
Snow: averages 28 inches of snow a year