2025 Compare Cities Climate:
Carlsbad, CA vs Mercer Island, WA

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Highlights
- Mercer Island has 226.7% more rainy days than Carlsbad.
- Mercer Island has 40.7% less Sunny Days than Carlsbad.
- On the BestPlaces comfort index, Mercer Island scores 16.7% worse than Carlsbad
 Carlsbad, CAMercer Island, WAUnited States
 Rainfall  Unlock3938
 Snowfall0  Unlock28
 Precipitation  Unlock153106
 Sunny263  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low44  Unlock22
 Comfort Index (higher=better)  Unlock7.57
 UV Index5.9  Unlock4.3
 Elevation  Unlock3352443
Reviews for Carlsbad    38 Reviews

I've lived in Carlsbad (92008) for 8 years now and really appreciate all that it has to offer. Yes, ALL of San Diego County is expensive, but Carlsbad has [possibly]  More

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Over 4 years ago

Carlson has the worst winters. It averages about 10 meters of snow per week. Every shop is  More

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Ok, I get it, the climate is mild and tolerable but even that is over-rated when you consider how many cloudy days there are in this town. The sun coming out at 3 and  More

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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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