2025 Compare Cities Climate:
Mercer Island, WA vs Granite Bay, CA

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Highlights
- Granite Bay has 45.4% less rainy days than Mercer Island.
- Granite Bay has 69.9% more Sunny Days than Mercer Island.
- On the BestPlaces comfort index, Granite Bay scores 9.3% better than Mercer Island
 Mercer Island, WAGranite Bay, CAUnited States
 Rainfall  Unlock2138
 Snowfall5  Unlock28
 Precipitation  Unlock59106
 Sunny156  Unlock205
 Avg. July High  Unlock9486
 Avg. Jan. Low37  Unlock22
 Comfort Index (higher=better)  Unlock8.27
 UV Index2.6  Unlock4.3
 Elevation  Unlock4272443
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 Granite Bay    2 Reviews

Love it here! School system is fantastic! The people are friendly. We’re seated right next to Folsom lake & the Sierra Nevadas. It’s gorgeous here. I’m grateful to  More

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Consider Granite Bay among your choices to relocate. It is centrally located between highways 50 and 80 for easy commuting. It is 1/2 hour to the international airport.  More

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