Hot-summer Mediterranean
Altadena, California
Los Angeles County, California · Population 42k · 1,378 ft elevation
Living in Altadena
Altadena has a hot-summer mediterranean climate: hot summers (July highs around 87°F) and mild winters (January lows around 44°F).
Precipitation is dry at about 20″ a year, and it essentially never sees snow.
Skies are exceptionally sunny (84% of possible sunshine). It never gets truly muggy.
Air quality is poor: a median AQI of 74, with about 98 unhealthy-air days in the latest year.
Altadena is an outdoor hub: about 30% of the land within 30 miles is public (parks, national forest and the like), and the terrain rises and falls about 5,700 ft around town.
Altadena at a glance
- Population
- 42k
- Elevation
- 1,378 ft
- Average daily high
- 77°F81th percentile
- Average daily low
- 52°F76th percentile
- Annual precipitation
- 20″14th percentile
- Annual snowfall
- 0″0th percentile
- Sunshine hours per year
- 3,763 hrs97th percentile
- Median AQI
- 7498th percentile
- Median home value
- $1.1M97th percentile
- Median rent
- $2,250/mo92th percentile
- Median household income
- $129k88th percentile
- Property tax rate
- 0.56%13th percentile
- Top state income-tax rate
- 13.3%
- Sales tax (state + local)
- 8.8%
- Unemployment rate
- 7.3%
- Homes with broadband
- 93%62th percentile
- Walkability index
- 12.682th percentile
- Average commute
- 27 min
- Math proficiency (8th grade)
- 30%24th percentile
- Reading proficiency (8th grade)
- 40%
- Violent crime rate
- 419 per 100k83th percentile
- Property crime rate
- 2,358 per 100k
- Overall natural-hazard risk
- 10093th percentile
- Outdoor access
- 9796th percentile
- Public land within 10 miles
- 41%
- Public land within 30 miles
- 30%
- Mountain relief within 30 miles
- 5,676 ft
Climate by month
| Month | High | Low | Precipitation | Snow | Sunshine |
|---|---|---|---|---|---|
| Jan | 66°F | 44°F | 4.5″ | — | 239 hrs |
| Feb | 68°F | 44°F | 5.2″ | — | 227 hrs |
| Mar | 71°F | 47°F | 3.0″ | — | 290 hrs |
| Apr | 75°F | 49°F | 1.1″ | — | 317 hrs |
| May | 77°F | 52°F | 0.5″ | — | 364 hrs |
| Jun | 82°F | 56°F | 0.2″ | — | 387 hrs |
| Jul | 87°F | 60°F | 0.1″ | — | 408 hrs |
| Aug | 90°F | 62°F | 0.0″ | — | 395 hrs |
| Sep | 88°F | 60°F | 0.2″ | — | 342 hrs |
| Oct | 81°F | 55°F | 0.8″ | — | 304 hrs |
| Nov | 73°F | 48°F | 1.1″ | — | 258 hrs |
| Dec | 66°F | 43°F | 3.3″ | — | 233 hrs |
Near Altadena
- Pasadena, CA · 136k
- La Cañada Flintridge, CA · 20k
- San Marino, CA · 12k
- East Pasadena, CA · 5.6k
- Sierra Madre, CA · 11k
- South Pasadena, CA · 26k
- East San Gabriel, CA · 24k
- Glendale, CA · 192k
Largest places in California
- Los Angeles, CA · 3.9M
- San Diego, CA · 1.4M
- San Jose, CA · 990k
- San Francisco, CA · 836k
- Fresno, CA · 544k
- Sacramento, CA · 525k
- Long Beach, CA · 458k
- Oakland, CA · 438k
Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology