Long Grove, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Long Grove averages 38 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 187 sunny days per year in Long Grove. The US average is 205 sunny days.
Long Grove gets some kind of precipitation, on average, 124 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 83 degrees
Winter Low: the January low is 12
Rain: averages 37 inches of rain a year
Snow: averages 38 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Long Grove is 6.7 (10=best), which means it is one of the least comfortable places in Illinois.
6.7 / 10
June, September and August are the most pleasant months in Long Grove, while January and December are the least comfortable months.