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

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Highlights
- Mercer Island has 83.2% more rainy days than Granite Bay.
- Mercer Island has 41.1% less Sunny Days than Granite Bay.
- On the BestPlaces comfort index, Mercer Island scores 8.5% worse than Granite Bay
 Granite Bay, CAMercer Island, WAUnited States
 Rainfall  Unlock3938
 Snowfall0  Unlock28
 Precipitation  Unlock153106
 Sunny265  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock7.57
 UV Index4.8  Unlock4.3
 Elevation  Unlock3352443
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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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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