2025 Compare Cities Climate:
Ontario, CA vs Cupertino, CA

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Highlights
- Cupertino has 14.6% more rainy days than Ontario.
- Cupertino has 5.0% less Sunny Days than Ontario.
- On the BestPlaces comfort index, Cupertino scores 1.1% worse than Ontario
 Ontario, CACupertino, CAUnited States
 Rainfall  Unlock1838
 Snowfall0  Unlock28
 Precipitation  Unlock61106
 Sunny279  Unlock205
 Avg. July High  Unlock8186
 Avg. Jan. Low43  Unlock22
 Comfort Index (higher=better)  Unlock8.77
 UV Index5.7  Unlock4.3
 Elevation  Unlock2362443
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 Cupertino    7 Reviews

I love this city. Cupertino has everything to offer. We have the best schools, weather, health care, and everything is close by. Absolutely everything is here.   More

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Over 3 years ago

I’ve lived here for 24 years. Cupertino is totally convenient. Literally library, parks, grocery stores, all shopping, bakery’s, restaurants, all within walking  More

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I look at the pros and cons listed here about Cupertino and I just laugh. I’ve lived here for 21 years. Here’s what I can tell you.The pros:-The weather is good year  More

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