Warm-summer Mediterranean

Alum Rock, California

Santa Clara County, California · Population 12k · 341 ft elevation

Living in Alum Rock

Alum Rock has a warm-summer mediterranean climate: hot summers (July highs around 81°F) and mild winters (January lows around 42°F).

Precipitation is dry at about 16″ a year, and it essentially never sees snow.

Skies are exceptionally sunny (81% of possible sunshine). It never gets truly muggy.

Air quality is moderate: a median AQI of 47, with about 1 unhealthy-air day in the latest year.

Alum Rock at a glance

Population
12k
Elevation
341 ft
Average daily high
71°F65th percentile
Average daily low
51°F73th percentile
Annual precipitation
16″10th percentile
Annual snowfall
0″0th percentile
Sunshine hours per year
3,663 hrs94th percentile
Median AQI
4776th percentile
Median home value
$880k95th percentile
Median rent
$2,412/mo94th percentile
Median household income
$112k81th percentile
Property tax rate
0.69%25th percentile
Top state income-tax rate
13.3%
Sales tax (state + local)
8.8%
Unemployment rate
4.7%
Homes with broadband
88%32th percentile
Walkability index
13.085th percentile
Average commute
30 min
Math proficiency (8th grade)
29%23th percentile
Reading proficiency (8th grade)
42%
Overall natural-hazard risk
10093th percentile
Outdoor access
7574th percentile
Public land within 10 miles
3%
Public land within 30 miles
5%
Mountain relief within 30 miles
2,756 ft

Climate by month

Average monthly weather in Alum Rock, California
MonthHighLowPrecipitationSnowSunshine
Jan58°F42°F3.0″—193 hrs
Feb62°F45°F3.2″—207 hrs
Mar66°F47°F2.6″—268 hrs
Apr69°F49°F1.2″—308 hrs
May74°F52°F0.5″—377 hrs
Jun79°F56°F0.2″—412 hrs
Jul81°F58°F0.0″—431 hrs
Aug82°F59°F0.0″—402 hrs
Sep81°F57°F0.1″—346 hrs
Oct74°F53°F0.8″—302 hrs
Nov64°F46°F1.4″—230 hrs
Dec58°F42°F3.1″—189 hrs

Near Alum Rock

Largest places in California

Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology