2025 Compare Cities Climate:
Merrimack, NH vs Costa Mesa, CA

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Highlights
- Costa Mesa has 74.0% less rainy days than Merrimack.
- Costa Mesa has 37.7% more Sunny Days than Merrimack.
- On the BestPlaces comfort index, Costa Mesa scores 38.8% better than Merrimack
 Merrimack, NHCosta Mesa, CAUnited States
 Rainfall  Unlock1238
 Snowfall58  Unlock28
 Precipitation  Unlock36106
 Sunny199  Unlock205
 Avg. July High  Unlock7886
 Avg. Jan. Low13  Unlock22
 Comfort Index (higher=better)  Unlock9.37
 UV Index3.2  Unlock4.3
 Elevation  Unlock982443
Reviews for Merrimack    0 Reviews

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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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