2025 Compare Cities Climate:
Mercer Island, WA vs Wellesley, MA

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Highlights
- Wellesley has 24.2% more rainy days than Mercer Island.
- Wellesley has 28.8% more Sunny Days than Mercer Island.
- On the BestPlaces comfort index, Wellesley scores 8.0% worse than Mercer Island
 Mercer Island, WAWellesley, MAUnited States
 Rainfall  Unlock4938
 Snowfall5  Unlock28
 Precipitation  Unlock128106
 Sunny156  Unlock205
 Avg. July High  Unlock8386
 Avg. Jan. Low37  Unlock22
 Comfort Index (higher=better)  Unlock6.97
 UV Index2.6  Unlock4.3
 Elevation  Unlock1252443
Reviews for Mercer Island    4 Reviews

Mercer Island is a wonderful family community. It feels much more "small town" than a city even though it has a population of 20,000+. People say hello and watch out  More

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Mercer Island is a suburb of Seattle, located on an island in Lake Washington. The best thing about Mercer Island is its strategically central location relative to the  More

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Mercer Island is a suburb of Seattle, located on an island in Lake Washington. The best thing about Mercer Island is its strategically central location relative to the  More

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Reviews for Wellesley    0 Reviews

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