2025 Compare Cities Climate:
Addison, NY vs Portola Valley, CA

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Highlights
- Portola Valley has 10.8% less rainy days than Addison.
- Portola Valley has 56.0% more Sunny Days than Addison.
- On the BestPlaces comfort index, Portola Valley scores 27.3% better than Addison
 Addison, NYPortola Valley, CAUnited States
 Rainfall  Unlock3138
 Snowfall41  Unlock28
 Precipitation  Unlock73106
 Sunny168  Unlock205
 Avg. July High  Unlock7786
 Avg. Jan. Low13  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index3.1  Unlock4.3
 Elevation  Unlock4592443
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