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

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Highlights
- Del Mar has 70.7% less rainy days than Mercer Island.
- Del Mar has 69.2% more Sunny Days than Mercer Island.
- On the BestPlaces comfort index, Del Mar scores 21.3% better than Mercer Island
 Mercer Island, WADel Mar, CAUnited States
 Rainfall  Unlock1238
 Snowfall5  Unlock28
 Precipitation  Unlock42106
 Sunny156  Unlock205
 Avg. July High  Unlock7386
 Avg. Jan. Low37  Unlock22
 Comfort Index (higher=better)  Unlock9.17
 UV Index2.6  Unlock4.3
 Elevation  Unlock1122443
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 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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