2025 Compare Cities Climate:
Clayton, MO vs Mercer Island, WA

Change Cities
Highlights
- Mercer Island has 9.3% less rainy days than Clayton.
- Mercer Island has 23.5% less Sunny Days than Clayton.
- On the BestPlaces comfort index, Mercer Island scores 4.2% better than Clayton
 Clayton, MOMercer Island, WAUnited States
 Rainfall  Unlock3938
 Snowfall16  Unlock28
 Precipitation  Unlock153106
 Sunny204  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low23  Unlock22
 Comfort Index (higher=better)  Unlock7.57
 UV Index4.3  Unlock4.3
 Elevation  Unlock3352443
Reviews for Clayton    3 Reviews

St Louis summers are hot and humid...Fall and spring are not very friendly to people with allergies.. Winter is  More

   |    Reply

The weather in St Louis can be hot and humid in the summer. Cold in the  More

   |    Reply

St. Louis in general has an extremely affordable cost of living. Housing is under the nat'l average, as is gasoline. Food, restaurants and entertainment is all  More

   |    Reply

Start Your Review of Clayton

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.