2025 Compare Cities Climate:
Boulder, CO vs St. Helena, CA

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Highlights
- St. Helena has 105.0% more rainy days than Boulder.
- St. Helena has 7.3% more Sunny Days than Boulder.
- On the BestPlaces comfort index, St. Helena scores 16.9% better than Boulder
 Boulder, COSt. Helena, CAUnited States
 Rainfall  Unlock3738
 Snowfall71  Unlock28
 Precipitation  Unlock71106
 Sunny245  Unlock205
 Avg. July High  Unlock8986
 Avg. Jan. Low19  Unlock22
 Comfort Index (higher=better)  Unlock8.37
 UV Index5.8  Unlock4.3
 Elevation  Unlock2532443
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 St. Helena    2 Reviews

Over 4 years ago

There is no better place to raise a family. Great community, excellent resources, fabulous restaurants, amazing hikes and beautiful scenery.  More

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Over 19 years ago

I currently live in Sacramento, California for about 5 months and returning to batavia, New York in 5 more months. My boyfriend and I are going to get a place together  More

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