Wellesley, Massachusetts gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Wellesley averages 50 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 Wellesley. The US average is 205 sunny days.
Wellesley gets some kind of precipitation, on average, 128 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 17
Rain: averages 49 inches of rain a year
Snow: averages 50 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Wellesley is 6.9 (10=best), which means it is about average compared to other places in Massachusetts.
6.9 / 10
August, July and June are the most pleasant months in Wellesley, while January and February are the least comfortable months.