2025 Compare Cities Climate:
Irvine, CA vs Altadena, CA

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Highlights
- Altadena has 74.4% more rainy days than Irvine.
- Altadena has 2.1% more Sunny Days than Irvine.
- On the BestPlaces comfort index, Altadena scores 2.2% worse than Irvine
 Irvine, CAAltadena, CAUnited States
 Rainfall  Unlock2338
 Snowfall0  Unlock28
 Precipitation  Unlock37106
 Sunny281  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low46  Unlock22
 Comfort Index (higher=better)  Unlock9.17
 UV Index5.9  Unlock4.3
 Elevation  Unlock13582443
Reviews for Irvine    42 Reviews

We've lived in Irvine since '87. We have raised two children within the ISUD. Both are grown up. Sure, there have been many changes since then.. the City has  More

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I've lived in Irvine for 2 years and in Orange County for 10 so I'm pretty familiar with the area by now and all it has to offer. Perhaps my review of this place has  More

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I wouldn't live elsewhere. I originally moved to Irvine in 2002 from the Midwest, not knowing what it even was. I left and moved around a great deal locally in OC,  More

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Reviews for Altadena    1 Reviews

I live just above the 1500 foot elevation at the edge of the San Gabriel Mountains in the L.A. suburb of Altadena--just above Pasadena. We're above the low morning fog  More

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