2025 Compare Cities Climate:
Castle Rock, WA vs Mercer Island, WA

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Highlights
- Mercer Island has 35.5% less rainy days than Castle Rock.
- Mercer Island has 12.2% more Sunny Days than Castle Rock.
- On the BestPlaces comfort index, Mercer Island scores 5.6% better than Castle Rock
 Castle Rock, WAMercer Island, WAUnited States
 Rainfall  Unlock3938
 Snowfall3  Unlock28
 Precipitation  Unlock153106
 Sunny139  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low34  Unlock22
 Comfort Index (higher=better)  Unlock7.57
 UV Index3  Unlock4.3
 Elevation  Unlock3352443
Reviews for Castle Rock    1 Reviews

Over 14 years ago

As a whole I rate the education system as a negative. Alot of the teachers do not notify you of your childs progress especiallt if they are behind. We found out how  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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Start Your Review of Mercer Island


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