2025 Compare Cities Climate:
Mercer Island, WA vs Atherton, CA

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Highlights
- Atherton has 56.4% less rainy days than Mercer Island.
- Atherton has 67.3% more Sunny Days than Mercer Island.
- On the BestPlaces comfort index, Atherton scores 16.0% better than Mercer Island
 Mercer Island, WAAtherton, CAUnited States
 Rainfall  Unlock1738
 Snowfall5  Unlock28
 Precipitation  Unlock61106
 Sunny156  Unlock205
 Avg. July High  Unlock8086
 Avg. Jan. Low37  Unlock22
 Comfort Index (higher=better)  Unlock8.77
 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 Atherton    0 Reviews

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