Trout Valley, IL has a humid continental climate with warm summers and cold winters. The average annual temperature is between 40-50°F (4-10°C). During the summer months, temperatures can reach into the low 80s with occasional heat waves. Winters are cold and snowy, with temperatures occasionally reaching into the single digits. Precipitation is fairly evenly spread throughout the year, with an average of just over 35 inches annually. Snowfall averages around 36 inches per year in Trout Valley, making it ideal for those who love winter sports.
Trout Valley, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Trout Valley averages 38 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 Trout Valley. The US average is 205 sunny days.
Trout Valley gets some kind of precipitation, on average, 120 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 82 degrees
Winter Low: the January low is 13
Rain: averages 37 inches of rain a year
Snow: averages 38 inches of snow a year