2025 Compare Cities Climate:
Mercer Island, WA vs San Luis Obispo, CA

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Highlights
- San Luis Obispo has 49.0% less rainy days than Mercer Island.
- San Luis Obispo has 84.0% more Sunny Days than Mercer Island.
- On the BestPlaces comfort index, San Luis Obispo scores 17.3% better than Mercer Island
 Mercer Island, WASan Luis Obispo, CAUnited States
 Rainfall  Unlock2038
 Snowfall5  Unlock28
 Precipitation  Unlock51106
 Sunny156  Unlock205
 Avg. July High  Unlock7486
 Avg. Jan. Low37  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index2.6  Unlock4.3
 Elevation  Unlock2332443
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 San Luis Obispo    21 Reviews

MY FIANCEE AND I ARE LOOKING TO MOVE TO SLO FOR RETIREMENT ( NEXT MONTH ) WE ARE BOTH ARTISTS AND HOPE OUR TALENT WILL HELP WITH COST OF LIVING IN SLO!!! ANY  More

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Over 10 years ago

In almost any season of the year in San Luis Obispo, you’ll find the sun shining and the temperature hitting around 70º at some point in the day. With the temperature  More

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San Luis Obispo and surrounding areas are beautiful, great weather, beaches, farms markets, a downtown area full of some of the best bars and restaurants, wine country,  More

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