Zion, Illinois gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Zion averages 41 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 192 sunny days per year in Zion. The US average is 205 sunny days.
Zion gets some kind of precipitation, on average, 113 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.
Summer High: the July high is around 80 degrees
Winter Low: the January low is 16
Rain: averages 36 inches of rain a year
Snow: averages 41 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Zion is 6.8 (10=best), which means it is less comfortable than most places in Illinois.
9.2 / 4.4
Summer / Winter
August, June and July are the most pleasant months in Zion, while January and February are the least comfortable months.