2025 Compare Cities Climate:
Boulder, CO vs Fullerton, CA

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Highlights
- Fullerton has 23.2% less rainy days than Boulder.
- Fullerton has 15.5% more Sunny Days than Boulder.
- On the BestPlaces comfort index, Fullerton scores 31.0% better than Boulder
 Boulder, COFullerton, CAUnited States
 Rainfall  Unlock1438
 Snowfall71  Unlock28
 Precipitation  Unlock32106
 Sunny245  Unlock205
 Avg. July High  Unlock8586
 Avg. Jan. Low19  Unlock22
 Comfort Index (higher=better)  Unlock9.37
 UV Index5.8  Unlock4.3
 Elevation  Unlock1642443
Reviews for Boulder    55 Reviews

Outside of the university, Boulder had a very distinctive "wealthy hippy" feel. A lot of alternative medicine and a matching ethos. This is changing some among my  More

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We moved here from Texas about 4 years ago and love it here! The amazing sense of community and high regard for the environment are two of the main reasons we love  More

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Over 5 years ago

Most people do much worse than Boulder. I'm the most critical person I've ever met who is never happy or satisfied -- so that's a pretty huge compliment.   More

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Reviews for Fullerton    13 Reviews

Over 4 years ago

ive lived in this city for a very long time, and it is a great and quiet place to live, with some nice shopping areas and great  More

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David · 

I have been living and working in Fullerton for almost 20 years now and have seen it change through the years, both for the better and worse. Fullerton is a half  More

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Over 9 years ago

The weather here is gorgeous! Warm and rarely rains.  More

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