2025 Compare Cities Climate:
Altadena, CA vs Winchester, MA

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Highlights
- Winchester has 108.4% more rainy days than Altadena.
- Winchester has 30.3% less Sunny Days than Altadena.
- On the BestPlaces comfort index, Winchester scores 24.2% worse than Altadena
 Altadena, CAWinchester, MAUnited States
 Rainfall  Unlock4738
 Snowfall0  Unlock28
 Precipitation  Unlock135106
 Sunny287  Unlock205
 Avg. July High  Unlock8286
 Avg. Jan. Low47  Unlock22
 Comfort Index (higher=better)  Unlock6.97
 UV Index6.2  Unlock4.3
 Elevation  Unlock202443
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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Reviews for Winchester    0 Reviews

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