St. Charles, Idaho gets 14 inches of rain, on average, per year. The US average is 38 inches of rain per year.
St. Charles averages 66 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 213 sunny days per year in St. Charles. The US average is 205 sunny days.
St. Charles gets some kind of precipitation, on average, 92 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 84 degrees
Winter Low: the January low is 10
Rain: averages 14 inches of rain a year
Snow: averages 66 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for St. Charles is 6.5 (10=best), which means it is less comfortable than most places in Idaho.
9 / 4.1
Summer / Winter
August, July and June are the most pleasant months in St. Charles, while January and December are the least comfortable months.