2025 Compare Cities Climate:
Los Altos Hills, CA vs Portola Valley, CA

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Highlights
- Portola Valley has 56.6% more rainy days than Los Altos Hills.
- Portola Valley has 0.4% less Sunny Days than Los Altos Hills.
- On the BestPlaces comfort index, Portola Valley scores 3.4% worse than Los Altos Hills
 Los Altos Hills, CAPortola Valley, CAUnited States
 Rainfall  Unlock3138
 Snowfall0  Unlock28
 Precipitation  Unlock73106
 Sunny263  Unlock205
 Avg. July High  Unlock7786
 Avg. Jan. Low40  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index5.1  Unlock4.3
 Elevation  Unlock4592443
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