2025 Compare Cities Climate:
Black Diamond, WA vs Mercer Island, WA

Change Cities
Highlights
- Mercer Island has 21.6% less rainy days than Black Diamond.
- Mercer Island has 0.0% more Sunny Days than Black Diamond.
- On the BestPlaces comfort index, Mercer Island scores 7.1% better than Black Diamond
 Black Diamond, WAMercer Island, WAUnited States
 Rainfall  Unlock3938
 Snowfall5  Unlock28
 Precipitation  Unlock153106
 Sunny156  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low35  Unlock22
 Comfort Index (higher=better)  Unlock7.57
 UV Index2.6  Unlock4.3
 Elevation  Unlock3352443
Reviews for Black Diamond    1 Reviews

Over 5 years ago

I felt safe, it was beautiful and everyone was so nice  More

   |    Reply

Start Your Review of Black Diamond

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

   |    Reply

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

   |    Reply

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

   |    Reply

Start Your Review of Mercer Island


Premium Subscription
Includes Cost of Living compares for child care, utilities, transportation, health, taxes, housing for home owners vs renters, weather, insurance premiums and so much more.


The premier source for comprehensive city data for over 30 years.

© Best Places. All rights reserved.