2025 Compare Cities Climate:
San Francisco, CA vs Portola Valley, CA

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Highlights
- Portola Valley has 24.8% more rainy days than San Francisco.
- Portola Valley has 1.2% more Sunny Days than San Francisco.
- On the BestPlaces comfort index, Portola Valley scores 1.2% worse than San Francisco
 San Francisco, CAPortola Valley, CAUnited States
 Rainfall  Unlock3138
 Snowfall0  Unlock28
 Precipitation  Unlock73106
 Sunny259  Unlock205
 Avg. July High  Unlock7786
 Avg. Jan. Low46  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index5.4  Unlock4.3
 Elevation  Unlock4592443
Reviews for San Francisco    149 Reviews

from a single guy's perspective. let's start this review from 2017. I moved here to be near to my sister who also relocated, and also to attend Cal State East Bay in  More

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I've lived in San Francisco for ten years. I thought I would write a balanced review for people looking to move here. My family is from places like Boise, Atlanta,  More

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I've lived in San Francisco for ten years. I thought I would write a balanced review for people looking to move here. My family is from places like Boise, Atlanta,  More

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Reviews for Portola Valley    0 Reviews

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