2025 Compare Cities Climate:
San Diego, CA vs Mercer Island, WA

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Highlights
- Mercer Island has 235.0% more rainy days than San Diego.
- Mercer Island has 41.4% less Sunny Days than San Diego.
- On the BestPlaces comfort index, Mercer Island scores 18.5% worse than San Diego
 San Diego, CAMercer Island, WAUnited States
 Rainfall  Unlock3938
 Snowfall0  Unlock28
 Precipitation  Unlock153106
 Sunny266  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low46  Unlock22
 Comfort Index (higher=better)  Unlock7.57
 UV Index5.9  Unlock4.3
 Elevation  Unlock3352443
Reviews for San Diego    319 Reviews

I have lived in San Diego for more than half my life (I am 30) and love it. It has something for everyone and more from arts, to sporting events, and all cuisine is  More

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The only real knock again San Diego is the cost of living, but it is paradise compared to most cities of similar size. Those who complain about the traffic here or say  More

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I have lived in San Diego since 1968 and I am now almost 62 years old. I love San Diego, I really do. But it has become so crowded and so expensive over the years. It  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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