2025 Compare Cities Climate:
Upland, CA vs Costa Mesa, CA

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Highlights
- Costa Mesa has 42.9% less rainy days than Upland.
- Costa Mesa has 5.2% less Sunny Days than Upland.
- On the BestPlaces comfort index, Costa Mesa scores 5.7% better than Upland
 Upland, CACosta Mesa, CAUnited States
 Rainfall  Unlock1238
 Snowfall0  Unlock28
 Precipitation  Unlock36106
 Sunny289  Unlock205
 Avg. July High  Unlock7886
 Avg. Jan. Low43  Unlock22
 Comfort Index (higher=better)  Unlock9.37
 UV Index5.7  Unlock4.3
 Elevation  Unlock982443
Reviews for Upland    7 Reviews

Over 11 years ago

Great city except during the summer months where it is getting increasingly  More

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I grew up in Upland at the tail end of the Citrus Industry. That's what basically defines the town. Greed corrupted things when City Council members in the 50's took  More

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Why I Think the Quality of Life is Good Here I have lived in this town since I was a little girl in the 60's, and have grown up here. Now 47, and never moved out  More

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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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