2025 Compare Cities Climate:
Boulder, CO vs Rock Island, IL

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Highlights
- Rock Island has 104.4% more rainy days than Boulder.
- Rock Island has 19.2% less Sunny Days than Boulder.
- On the BestPlaces comfort index, Rock Island scores 2.8% worse than Boulder
 Boulder, CORock Island, ILUnited States
 Rainfall  Unlock3738
 Snowfall71  Unlock28
 Precipitation  Unlock115106
 Sunny245  Unlock205
 Avg. July High  Unlock8586
 Avg. Jan. Low19  Unlock22
 Comfort Index (higher=better)  Unlock6.97
 UV Index5.8  Unlock4.3
 Elevation  Unlock5612443
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 Rock Island    3 Reviews

Over 17 years ago

Pros: 1. Extremely low cost of living 2. Affordable place to live Cons: 1. High crime rate 2. Poor school system 3. Not much to  More

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Rock Island has a varied background and contains many cultural and historic areas. It has been improving its school system and is in a metropolitan area which contains  More

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Over 19 years ago

I just moved here for work one year ago. Moving from San Francisco here was a shock but ultimatelly good. The community is a typical midwestern small town. It is part  More

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