2025 Compare Cities Climate:
Boulder, CO vs Rockville, MD

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Highlights
- Rockville has 133.1% more rainy days than Boulder.
- Rockville has 17.1% less Sunny Days than Boulder.
- On the BestPlaces comfort index, Rockville scores 4.2% better than Boulder
 Boulder, CORockville, MDUnited States
 Rainfall  Unlock4238
 Snowfall71  Unlock28
 Precipitation  Unlock112106
 Sunny245  Unlock205
 Avg. July High  Unlock8586
 Avg. Jan. Low19  Unlock22
 Comfort Index (higher=better)  Unlock7.47
 UV Index5.8  Unlock4.3
 Elevation  Unlock4562443
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 Rockville    17 Reviews

From MY PERSONAL EXPERIENCE to many other people's comments and experiences: - The DC Metropolitan area (Maryland, DC, and Virginia) have an intense white supremacy /  More

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Having practically grown up here, it is fair to think I am biased. Before making assumptions about my opinion, though, I've lived in multiple cities in these states -  More

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Over 10 years ago

No comment at this  More

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