River Forest, IN has a humid temperate climate with four distinct seasons. Winters in River Forest are cold and snowy, with an average of 12 inches of snowfall each year. The temperatures remain below freezing for most of the season, often dipping into the single digits or below zero at night. Summers in River Forest are warm and humid with temperatures reaching into the low 80s during the day. Average rainfall is moderate throughout the year, although there can be significant precipitation during spring and summer thunderstorm season.
River Forest, Indiana gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.
River Forest averages 18 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 188 sunny days per year in River Forest. The US average is 205 sunny days.
River Forest gets some kind of precipitation, on average, 117 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 19
Rain: averages 41 inches of rain a year
Snow: averages 18 inches of snow a year