2025 Compare Cities Climate:
Del Mar, CA vs Mercer Island, WA

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Highlights
- Mercer Island has 240.9% more rainy days than Del Mar.
- Mercer Island has 40.9% less Sunny Days than Del Mar.
- On the BestPlaces comfort index, Mercer Island scores 17.6% worse than Del Mar
 Del Mar, CAMercer Island, WAUnited States
 Rainfall  Unlock3938
 Snowfall0  Unlock28
 Precipitation  Unlock153106
 Sunny264  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low48  Unlock22
 Comfort Index (higher=better)  Unlock7.57
 UV Index5.9  Unlock4.3
 Elevation  Unlock3352443
Reviews for Del Mar    2 Reviews

I'm born, and raised in the Chicago area, and had most of my career while living in the Washington, DC area. San Diego does take some getting used to. Where you live  More

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Over 15 years ago

Greatest weather in the  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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