2025 Compare Cities Climate:
Walnut Creek, CA vs Altadena, CA

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Highlights
- Altadena has 14.8% more rainy days than Walnut Creek.
- Altadena has 9.5% more Sunny Days than Walnut Creek.
- On the BestPlaces comfort index, Altadena scores 7.1% better than Walnut Creek
 Walnut Creek, CAAltadena, CAUnited States
 Rainfall  Unlock2338
 Snowfall0  Unlock28
 Precipitation  Unlock37106
 Sunny262  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low40  Unlock22
 Comfort Index (higher=better)  Unlock9.17
 UV Index5.4  Unlock4.3
 Elevation  Unlock13582443
Reviews for Walnut Creek    16 Reviews

Apart from the congestion, Walnut Creek is one of the best places in the San Francisco Bay Area to live. It is one of the most compact/walkable cities in the entire area  More

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Over 7 years ago

Almost all of Walnut Creek water comes from Pardee dam through an enclosed pipeline. That water is direct from the high Sierras. Among the best water quality in the  More

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Over 7 years ago

I grew up in Southern California and am no stranger to a more inland California climate. Before moving to WC I lived in San Francisco for 15 years where it is obviously  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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