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

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Highlights
- Marco Island has 38.0% more rainy days than Mercer Island.
- Marco Island has 70.5% more Sunny Days than Mercer Island.
- On the BestPlaces comfort index, Marco Island scores 10.7% worse than Mercer Island
 Mercer Island, WAMarco Island, FLUnited States
 Rainfall  Unlock5438
 Snowfall5  Unlock28
 Precipitation  Unlock120106
 Sunny156  Unlock205
 Avg. July High  Unlock9086
 Avg. Jan. Low37  Unlock22
 Comfort Index (higher=better)  Unlock6.77
 UV Index2.6  Unlock4.3
 Elevation  Unlock112443
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 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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