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

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Highlights
- Mercer Island has 46.3% more rainy days than San Carlos.
- Mercer Island has 40.9% less Sunny Days than San Carlos.
- On the BestPlaces comfort index, Mercer Island scores 10.7% worse than San Carlos
 San Carlos, CAMercer Island, WAUnited States
 Rainfall  Unlock3938
 Snowfall0  Unlock28
 Precipitation  Unlock153106
 Sunny264  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock7.57
 UV Index4.9  Unlock4.3
 Elevation  Unlock3352443
Reviews for San Carlos    1 Reviews

Over 18 years ago

I have lived in San Carlos for over 15 years and absolutely love it! There is a great mix of age groups and it is becoming more ethnically diverse. Kids play on my  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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