2025 Compare Cities Climate:
Harrison, ID vs Mercer Island, WA

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Highlights
- Mercer Island has 43.6% more rainy days than Harrison.
- Mercer Island has 9.8% less Sunny Days than Harrison.
- On the BestPlaces comfort index, Mercer Island scores 11.9% better than Harrison
 Harrison, IDMercer Island, WAUnited States
 Rainfall  Unlock3938
 Snowfall42  Unlock28
 Precipitation  Unlock153106
 Sunny173  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low24  Unlock22
 Comfort Index (higher=better)  Unlock7.57
 UV Index3.2  Unlock4.3
 Elevation  Unlock3352443
Reviews for Harrison    0 Reviews

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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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