2025 Compare Cities Climate:
Boulder, CO vs South San Francisco, CA

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Highlights
- South San Francisco has 19.9% more rainy days than Boulder.
- South San Francisco has 5.7% more Sunny Days than Boulder.
- On the BestPlaces comfort index, South San Francisco scores 18.3% better than Boulder
 Boulder, COSouth San Francisco, CAUnited States
 Rainfall  Unlock2238
 Snowfall71  Unlock28
 Precipitation  Unlock68106
 Sunny245  Unlock205
 Avg. July High  Unlock6786
 Avg. Jan. Low19  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index5.8  Unlock4.3
 Elevation  Unlock162443
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 South San Francisco    5 Reviews

It's amazing, but many, many people, including people who live in SF, think that SSF is just a part of SF. Not true. We're right across the highway from SFO, which is  More

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Over 17 years ago

One frustrating thing about South City weather is the number of overcast & foggy days, as compared to other nearby cities on the Peninsula. You can literally look  More

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Over 19 years ago

Been living in bayview hunters point for about 12 years now. What I can say that it's a rough place to live, no one cares about us and the mayor of San Francisco  More

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