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

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Highlights
- Irwindale has 2.5% more rainy days than Ontario.
- Irwindale has 0.4% more Sunny Days than Ontario.
- On the BestPlaces comfort index, Irwindale scores 4.5% better than Ontario
 Ontario, CAIrwindale, CAUnited States
 Rainfall  Unlock1638
 Snowfall0  Unlock28
 Precipitation  Unlock31106
 Sunny279  Unlock205
 Avg. July High  Unlock8786
 Avg. Jan. Low43  Unlock22
 Comfort Index (higher=better)  Unlock9.27
 UV Index5.7  Unlock4.3
 Elevation  Unlock4692443
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 Irwindale    0 Reviews

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