2025 Compare Cities Climate:
Ontario, CA vs Chicago, IL

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Highlights
- Chicago has 143.3% more rainy days than Ontario.
- Chicago has 32.3% less Sunny Days than Ontario.
- On the BestPlaces comfort index, Chicago scores 20.5% worse than Ontario
 Ontario, CAChicago, ILUnited States
 Rainfall  Unlock3838
 Snowfall0  Unlock28
 Precipitation  Unlock125106
 Sunny279  Unlock205
 Avg. July High  Unlock8486
 Avg. Jan. Low43  Unlock22
 Comfort Index (higher=better)  Unlock77
 UV Index5.7  Unlock4.3
 Elevation  Unlock5872443
Reviews for Ontario    6 Reviews

We've lived in this area for several years. Traveling long distances to other cities for churches. Passing a quiet, unassuming church along the way for years. Until  More

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cool  More

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I think Ontario,ca us awesome because we have an entertainment Venue and large shopping mall to please everyone of all  More

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Reviews for Chicago    270 Reviews

I've lived in Chicago city and later moved to suburbs when family size increased. Absolutely love this city. This is the cleanest and most beautiful among the major  More

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Chicago is probably the best value in a major city that you can find and my personal favorite city. It will become increasingly important as climate change makes the  More

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I've live on north side and south side, UIC medical center. Don't move here go to the north side. No good amenities, if you get bored with one there is no other choices.  More

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