2025 Compare Cities Climate:
Marco Island, FL vs Mercer Island, WA

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Highlights
- Mercer Island has 27.5% less rainy days than Marco Island.
- Mercer Island has 41.4% less Sunny Days than Marco Island.
- On the BestPlaces comfort index, Mercer Island scores 11.9% better than Marco Island
 Marco Island, FLMercer Island, WAUnited States
 Rainfall  Unlock3938
 Snowfall0  Unlock28
 Precipitation  Unlock153106
 Sunny266  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low53  Unlock22
 Comfort Index (higher=better)  Unlock7.57
 UV Index7.1  Unlock4.3
 Elevation  Unlock3352443
Reviews for Marco Island    3 Reviews

We just purchased a home here from San Diego, Ca. Marco island is so refreshing! It is Clean, no trash, people care about their yards and community with impeccable  More

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Over 8 years ago

We moved here upon retirement and have been delighted with our new community. With canals crisscrossing the entire island, most homesites are on the water, and we enjoy  More

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I have been coming to Marco Island for the past couple of years to spend the 4th of July with my family in this beautiful city, but never again. From what we learned  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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