Exeter, IL has a largely temperate climate with hot summers and cold winters. In the summer months temperatures can reach as high as 90°F (32°C) and in the winter months they can dip to around 20°F (-7°C). Rainfall is abundant throughout the year with an average of about 45 inches (113 cm) annually. Exeter receives snowfall during the winter months, usually averaging around an inch per month. Spring and autumn are milder seasons in Exeter, IL perfect for enjoying outdoor activities such as camping, hiking, fishing, and picnicking.
Exeter, Illinois gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Exeter averages 19 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 201 sunny days per year in Exeter. The US average is 205 sunny days.
Exeter 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 87 degrees
Winter Low: the January low is 18
Rain: averages 40 inches of rain a year
Snow: averages 19 inches of snow a year