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

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Highlights
- Mercer Island has 4.2% less rainy days than Plano.
- Mercer Island has 31.9% less Sunny Days than Plano.
- On the BestPlaces comfort index, Mercer Island scores 4.2% better than Plano
 Plano, TXMercer Island, WAUnited States
 Rainfall  Unlock3938
 Snowfall2  Unlock28
 Precipitation  Unlock153106
 Sunny229  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low33  Unlock22
 Comfort Index (higher=better)  Unlock7.57
 UV Index5.6  Unlock4.3
 Elevation  Unlock3352443
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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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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