2025 Compare Cities Climate:
Hillsboro, OR vs Mercer Island, WA

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Highlights
- Mercer Island has 0.0% more rainy days than Hillsboro.
- Mercer Island has 9.9% more Sunny Days than Hillsboro.
- On the BestPlaces comfort index, Mercer Island scores 0.0% worse than Hillsboro
 Hillsboro, ORMercer Island, WAUnited States
 Rainfall  Unlock3938
 Snowfall3  Unlock28
 Precipitation  Unlock153106
 Sunny142  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low37  Unlock22
 Comfort Index (higher=better)  Unlock7.57
 UV Index3  Unlock4.3
 Elevation  Unlock3352443
Reviews for Hillsboro    10 Reviews

Hillsboro is definitely an improvement over Portland Oregon which went from a beautiful city to a major dump full of homelessness, garbage and crime. We had lived in  More

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Over 2 years ago

I've lived in HIllsboro twice. It is a very diverse part of Portland with tons of immigrants and the best rural flare in the  More

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We lived here for seven years. What we loved about it was it was close to family; everything was close for doctors, shopping, libraries, parks,etc; and much was in  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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