Grass Lake (zip 49240), Michigan gets 33 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grass Lake (zip 49240) averages 41 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 174 sunny days per year in Grass Lake (zip 49240). The US average is 205 sunny days.
Grass Lake (zip 49240) gets some kind of precipitation, on average, 133 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 82 degrees
Winter Low: the January low is 16
Rain: averages 33 inches of rain a year
Snow: averages 41 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for the 49240 zip code is 6.7 (10=best), which means it is more comfortable than most places in Michigan.
6.7 / 10
August, July and June are the most pleasant months in the 49240 zip code, while January and December are the least comfortable months.