Altadena City Climate

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Altadena (zip 91001), CA, gets 21 inches of rain per year. The US average is 37. Snowfall is 0 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 36.





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Climate Altadena, CA United States
Rainfall (in.) 21.2 36.6
Snowfall (in.) 0 25.2
Precipitation Days 36 101
Sunny Days 291 205
Avg. July High 88.6 86.5
Avg. Jan. Low 43 20.8
Comfort Index (higher=better) 45 44
UV Index 6.2 4.3
Elevation ft. 1,131 1,062

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