2025 Compare Cities Climate:
Altadena, CA vs Surprise, AZ

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Highlights
- Surprise has 59.1% less rainy days than Altadena.
- Surprise has 4.9% more Sunny Days than Altadena.
- On the BestPlaces comfort index, Surprise scores 19.8% worse than Altadena
 Altadena, CASurprise, AZUnited States
 Rainfall  Unlock938
 Snowfall0  Unlock28
 Precipitation  Unlock32106
 Sunny287  Unlock205
 Avg. July High  Unlock10686
 Avg. Jan. Low47  Unlock22
 Comfort Index (higher=better)  Unlock7.37
 UV Index6.2  Unlock4.3
 Elevation  Unlock11752443
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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Reviews for Surprise    52 Reviews

I have lived in Surprise, Az. For the past 21 years. One of the best cities to live in Az. From the police department to maintaining the streets & freeways. One thing I  More

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I am an Arizona native - 55 years - and have lived in Surprise since 2003. I wouldn't live anywhere else! I have watched this place grow and prosper. It is very family  More

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Over 11 years ago

The city of surprise is a beautiful place. It would not be a good place to live however. They have a young eager police force. You are taking a BIG risk driving  More

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