Cold semi-arid

Westmont, California

Los Angeles County, California · Population 34k · 220 ft elevation

Living in Westmont

Westmont has a cold semi-arid climate: pleasantly warm summers (July highs around 77°F) and very mild winters (January lows around 49°F).

Precipitation is dry at about 12″ 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.

Westmont at a glance

Population
34k
Elevation
220 ft
Average daily high
71°F65th percentile
Average daily low
57°F87th percentile
Annual precipitation
12″5th percentile
Annual snowfall
0″0th percentile
Sunshine hours per year
3,762 hrs96th percentile
Median AQI
7498th percentile
Median home value
$617k88th percentile
Median rent
$1,413/mo63th percentile
Median household income
$48k12th percentile
Property tax rate
0.76%32th percentile
Top state income-tax rate
13.3%
Sales tax (state + local)
8.8%
Unemployment rate
11.6%
Homes with broadband
86%24th percentile
Walkability index
12.582th percentile
Average commute
34 min
Math proficiency (8th grade)
24%15th percentile
Reading proficiency (8th grade)
33%
Overall natural-hazard risk
10093th percentile
Outdoor access
7776th percentile
Public land within 10 miles
0%
Public land within 30 miles
15%
Mountain relief within 30 miles
3,707 ft

Climate by month

Average monthly weather in Westmont, California
MonthHighLowPrecipitationSnowSunshine
Jan67°F49°F2.7″—239 hrs
Feb66°F50°F3.0″—227 hrs
Mar67°F52°F1.7″—290 hrs
Apr69°F54°F0.6″—317 hrs
May70°F58°F0.3″—364 hrs
Jun73°F61°F0.0″—386 hrs
Jul77°F64°F0.0″—408 hrs
Aug78°F65°F0.0″—394 hrs
Sep78°F64°F0.2″—342 hrs
Oct76°F60°F0.5″—304 hrs
Nov71°F53°F0.7″—259 hrs
Dec66°F48°F2.2″—233 hrs

Near Westmont

Largest places in California

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