2025 Compare Cities Climate:
Diamond Bar, CA vs Costa Mesa, CA

Change Cities
Highlights
- Costa Mesa has 36.2% less rainy days than Diamond Bar.
- Costa Mesa has 4.2% less Sunny Days than Diamond Bar.
- On the BestPlaces comfort index, Costa Mesa scores 5.7% better than Diamond Bar
 Diamond Bar, CACosta Mesa, CAUnited States
 Rainfall  Unlock1238
 Snowfall0  Unlock28
 Precipitation  Unlock36106
 Sunny286  Unlock205
 Avg. July High  Unlock7886
 Avg. Jan. Low43  Unlock22
 Comfort Index (higher=better)  Unlock9.37
 UV Index6.2  Unlock4.3
 Elevation  Unlock982443
Reviews for Diamond Bar    3 Reviews

Over 14 years ago

Beautiful city and great place to raise a family. The worst part of Diamond Bar would be some of the best places to live in other cities. Diamond Bar has some of the  More

   |    Reply

Over 14 years ago

The city is centrally located to riverside, San Bernardino, Orange County and Downtown La. It is very scenic with beautiful hills, great schools and within easy reach,  More

   |    Reply

Over 15 years ago

This is a very quiet area about 30 mile east of downtown Los Angeles. I'm a bit concerned about what effect a possible new NFL stadium in the City of Industry CA will  More

   |    Reply

Start Your Review of Diamond Bar

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

   |    Reply

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

   |    Reply

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

   |    Reply

Start Your Review of Costa Mesa


Premium Subscription
Includes Cost of Living compares for child care, utilities, transportation, health, taxes, housing for home owners vs renters, weather, insurance premiums and so much more.


The premier source for comprehensive city data for over 30 years.

© Best Places. All rights reserved.