2026 Compare Cities Climate:
Rockwall, TX vs Altadena, CA

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Highlights
- Altadena has 44.2% less rainy days than Rockwall.
- Altadena has 21.6% more Sunny Days than Rockwall.
- On the BestPlaces comfort index, Altadena scores 28.2% better than Rockwall
 Rockwall, TXAltadena, CAUnited States
 Rainfall  Unlock2338
 Snowfall1  Unlock28
 Precipitation  Unlock37106
 Sunny236  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low34  Unlock22
 Comfort Index (higher=better)  Unlock9.17
 UV Index5.4  Unlock4.3
 Elevation  Unlock13582443
Reviews for Rockwall    8 Reviews

I've lived here for over 10 years now and it is not at all what it used to be. The traffic is horrible now, the lights take forever and are programmed to slow traffic  More

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Looking for a beautiful, family friendly, low crime, affluent COMMUNITY? Look no further. From the Harbor on beautiful Lake Ray Hubbard to the farmer’s market to the  More

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After reading the information on Rockwall, I think it deserves some persepctive. Rockwall and its outlying areas is very habitable for moderate income families who do  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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