Troy Grove, IL has a humid continental climate with four distinct seasons. Winters are usually cold and snowy, while summers are hot and humid. The average temperature in winter ranges from 24 to 36 degrees Fahrenheit, while the average in summer ranges from 67 to 81 degrees Fahrenheit. Rainfall is abundant throughout the year, with most of it occurring between April and September. Snowfall is also common during winter months, with an average of 20 inches per year. Overall, Troy Grove has a mild climate that is ideal for outdoor activities throughout the year.
Troy Grove, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Troy Grove averages 24 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 Troy Grove. The US average is 205 sunny days.
Troy Grove gets some kind of precipitation, on average, 114 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 14
Rain: averages 37 inches of rain a year
Snow: averages 24 inches of snow a year