2025 Compare Cities Climate:
Mercer Island, WA vs Rockville, MD

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Highlights
- Rockville has 7.7% more rainy days than Mercer Island.
- Rockville has 30.1% more Sunny Days than Mercer Island.
- On the BestPlaces comfort index, Rockville scores 1.3% worse than Mercer Island
 Mercer Island, WARockville, MDUnited States
 Rainfall  Unlock4238
 Snowfall5  Unlock28
 Precipitation  Unlock112106
 Sunny156  Unlock205
 Avg. July High  Unlock8586
 Avg. Jan. Low37  Unlock22
 Comfort Index (higher=better)  Unlock7.47
 UV Index2.6  Unlock4.3
 Elevation  Unlock4562443
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 Rockville    17 Reviews

From MY PERSONAL EXPERIENCE to many other people's comments and experiences: - The DC Metropolitan area (Maryland, DC, and Virginia) have an intense white supremacy /  More

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Having practically grown up here, it is fair to think I am biased. Before making assumptions about my opinion, though, I've lived in multiple cities in these states -  More

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Over 10 years ago

No comment at this  More

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