2025 Compare Cities Climate:
Costa Mesa, CA vs Rancho Santa Margarita, CA

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Highlights
- Rancho Santa Margarita has 15.0% more rainy days than Costa Mesa.
- Rancho Santa Margarita has 1.8% more Sunny Days than Costa Mesa.
- On the BestPlaces comfort index, Rancho Santa Margarita scores 4.3% worse than Costa Mesa
 Costa Mesa, CARancho Santa Margarita, CAUnited States
 Rainfall  Unlock1438
 Snowfall0  Unlock28
 Precipitation  Unlock36106
 Sunny274  Unlock205
 Avg. July High  Unlock8986
 Avg. Jan. Low48  Unlock22
 Comfort Index (higher=better)  Unlock8.97
 UV Index5.9  Unlock4.3
 Elevation  Unlock9322443
Reviews for Costa Mesa    8 Reviews

Over 15 years ago

Costa mesa has awesome shopping but is way too crowded and I have had 3 cars stolen in the past 5 years along with countless break-ins and theft. Expensive. Close to  More

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Over 16 years ago

Costa Mesa has a near perfect climate . . . plenty of sun but rarely over 100 degrees (our house doesn't even have AC). Nestled between Newport Beach and Huntington  More

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We have a good amount of low-income, medium-income, and relatively high-income  More

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Reviews for Rancho Santa Margarita    13 Reviews

This page provides little information on RSM. I see they keep describing the area as "outside of Los Angeles." Culturally, it is so far from Los Angeles (I lived in LA,  More

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Over 10 years ago

The weather here is amazing. We get a few hot days in the summer but it cools down in the evening. I love being able to sleep with the windows  More

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This is the best place to live in South Orange County with mild temperatures, low crime, great schools and family orientated. RSM is a city that sits in a pocket backing  More

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