2025 Compare Cities Climate:
Mercer Island, WA vs Sammamish, WA

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Highlights
- Sammamish has 34.4% more rainy days than Mercer Island.
- Sammamish has 0.6% less Sunny Days than Mercer Island.
- On the BestPlaces comfort index, Sammamish scores 5.3% worse than Mercer Island
 Mercer Island, WASammamish, WAUnited States
 Rainfall  Unlock5338
 Snowfall5  Unlock28
 Precipitation  Unlock174106
 Sunny156  Unlock205
 Avg. July High  Unlock7586
 Avg. Jan. Low37  Unlock22
 Comfort Index (higher=better)  Unlock7.17
 UV Index2.6  Unlock4.3
 Elevation  Unlock592443
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 Sammamish    4 Reviews

Over 10 years ago

Seattle has beautiful greenery and gorgeous mountain views. It is quite dark and gloomy for much of the late fall into spring...or July 5th as locals know quite well. I  More

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Housing seems to be very overpriced, however after all things considered, it is well worth it. (Family of  More

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Sammamish is honestly a wonderful place to live. It's perfect for a family who wants a comfortable entertaining suburban life. The schools are pretty great, as I can say  More

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