2025 Compare Cities Climate:
Atherton, CA vs Piedmont, CA

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Highlights
- Piedmont has 48.5% more rainy days than Atherton.
- Piedmont has 1.1% more Sunny Days than Atherton.
- On the BestPlaces comfort index, Piedmont scores 0.0% worse than Atherton
 Atherton, CAPiedmont, CAUnited States
 Rainfall  Unlock2538
 Snowfall0  Unlock28
 Precipitation  Unlock67106
 Sunny261  Unlock205
 Avg. July High  Unlock7286
 Avg. Jan. Low41  Unlock22
 Comfort Index (higher=better)  Unlock8.77
 UV Index4.9  Unlock4.3
 Elevation  Unlock3312443
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