2025 Compare Cities Climate:
Walla Walla, WA vs Mercer Island, WA

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Highlights
- Mercer Island has 110.8% more rainy days than Walla Walla.
- Mercer Island has 17.0% less Sunny Days than Walla Walla.
- On the BestPlaces comfort index, Mercer Island scores 1.4% better than Walla Walla
 Walla Walla, WAMercer Island, WAUnited States
 Rainfall  Unlock3938
 Snowfall9  Unlock28
 Precipitation  Unlock153106
 Sunny188  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low29  Unlock22
 Comfort Index (higher=better)  Unlock7.57
 UV Index3.2  Unlock4.3
 Elevation  Unlock3352443
Reviews for Walla Walla    10 Reviews

The saying is Walla Walla-the town so nice they named it twice!! Thats about it. Oh and if there's anything you learn about living here, and leave. Much like a  More

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While I was born and raised here, I have subsequently lived in the Portland and Seattle areas. We chose to retire in Walla Walla as the cost of living is far more  More

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Over 6 years ago

Extreme gentrification in progress. Best place for white people who are retired, or professional families living on one income, or those in the wine industry. This is a  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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