2025 Compare Cities Climate:
Sioux City, IA vs Boulder, CO

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Highlights
- Boulder has 38.6% less rainy days than Sioux City.
- Boulder has 16.7% more Sunny Days than Sioux City.
- On the BestPlaces comfort index, Boulder scores 1.4% better than Sioux City
 Sioux City, IABoulder, COUnited States
 Rainfall  Unlock1838
 Snowfall32  Unlock28
 Precipitation  Unlock88106
 Sunny210  Unlock205
 Avg. July High  Unlock8886
 Avg. Jan. Low10  Unlock22
 Comfort Index (higher=better)  Unlock7.17
 UV Index3.8  Unlock4.3
 Elevation  Unlock53282443
Reviews for Sioux City    12 Reviews

Over 7 years ago

I’ve been here only 4 months and I’m still shocked at how people behave. Not friendly, rude. Can’t tell you how many businesses I’ve been in to where the reception staff  More

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Climate in winter ranges from 10-15 degrees to 85+ in the summer 7% sale tax population @75,000, economy ok  More

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Over 14 years ago

Sioux City is an amazing place. Low crime rate, Great Schools, Great People, Most People are friendly and Polite. Just an overall great place to live!!!!!!!!!!!   More

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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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