2025 Compare Cities Climate:
Mercer Island, WA vs Plano, TX

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Highlights
- Plano has 4.3% more rainy days than Mercer Island.
- Plano has 46.8% more Sunny Days than Mercer Island.
- On the BestPlaces comfort index, Plano scores 4.0% worse than Mercer Island
 Mercer Island, WAPlano, TXUnited States
 Rainfall  Unlock4138
 Snowfall5  Unlock28
 Precipitation  Unlock80106
 Sunny156  Unlock205
 Avg. July High  Unlock9486
 Avg. Jan. Low37  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index2.6  Unlock4.3
 Elevation  Unlock6662443
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 Plano    42 Reviews

I had lived in Plano for over 30 years. It is where I bought my first home as a single woman, where I married, and where I raised my children. I was fortunate enough  More

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We have lived in Plano for 20 years. It has been consistently rated very highly in surveys of best places to live in the US. Pros are the parks system; which includes  More

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Over 4 years ago

I've lived here for a while now. It's wonderful here. There's a ton to do, great jobs, great parks, and pretty good school. It's the perfect  More

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