Ralston, IA has a humid continental climate with hot and humid summers and cold, snowy winters. The average temperature in the summer months is 80°F (27°C), while the winter temperatures average around 24°F (-4°C). Rains occur throughout the year but are more frequent in the summer months. Snowfall is common in the winter season, with an average of around 20 inches per year. The relative humidity is generally high during summer and low during wintertime.
Ralston, Iowa gets 34 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Ralston averages 30 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 213 sunny days per year in Ralston. The US average is 205 sunny days.
Ralston gets some kind of precipitation, on average, 97 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 34 inches of rain a year
Snow: averages 30 inches of snow a year