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

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Highlights
- Issaquah has 34.2% more rainy days than Mercer Island.
- Issaquah has 1.3% less Sunny Days than Mercer Island.
- On the BestPlaces comfort index, Issaquah scores 5.3% worse than Mercer Island
 Mercer Island, WAIssaquah, WAUnited States
 Rainfall  Unlock5338
 Snowfall5  Unlock28
 Precipitation  Unlock173106
 Sunny156  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low37  Unlock22
 Comfort Index (higher=better)  Unlock7.17
 UV Index2.6  Unlock4.3
 Elevation  Unlock1082443
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 Issaquah    11 Reviews

Great place if you enjoy living in a city of cloned homes, cars, and humans with no souls. You know the ones. Why show off your new Mercedes, Land Rover or Porsche when  More

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I lived in Issaquah for close to 30 years. I have seen a lot of changes in the city - some good and some not so good. I was very sad to leave and even sorrier to have  More

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Over 6 years ago

Issaquah WAS a 5-star place to live, play, work, own a home, and raise a family. That was up until the late '70s and early 80s. Issaquah was a country utopia for over a  More

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