2025 Compare Cities Climate:
Oregon City, OR vs Altadena, CA

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Highlights
- Altadena has 47.6% less rainy days than Oregon City.
- Altadena has 100.7% more Sunny Days than Oregon City.
- On the BestPlaces comfort index, Altadena scores 21.3% better than Oregon City
 Oregon City, ORAltadena, CAUnited States
 Rainfall  Unlock2338
 Snowfall2  Unlock28
 Precipitation  Unlock37106
 Sunny143  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low36  Unlock22
 Comfort Index (higher=better)  Unlock9.17
 UV Index2.8  Unlock4.3
 Elevation  Unlock13582443
Reviews for Oregon City    1 Reviews

Over 14 years ago

Usually mild. Occasional hard winters. A lot of rainy  More

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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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