Warm-summer Mediterranean

San Mateo, California

San Mateo County, California · Population 104k · 43 ft elevation

Living in San Mateo

San Mateo has a warm-summer mediterranean climate: pleasantly warm summers (July highs around 73°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 sunny (71% of possible sunshine). Muggy weather is occasional (6 days a year).

Air quality is excellent: a median AQI of 27 and virtually no unhealthy-air days.

There is plenty to explore outdoors around San Mateo: about 9% of the land within 30 miles is public (parks, national forest and the like), and the terrain rises and falls about 1,800 ft around town.

San Mateo at a glance

Population
104k
Elevation
43 ft
Average daily high
67°F54th percentile
Average daily low
50°F69th percentile
Annual precipitation
20″14th percentile
Annual snowfall
0″0th percentile
Sunshine hours per year
3,144 hrs80th percentile
Median AQI
273th percentile
Median home value
$1.6M99th percentile
Median rent
$3,079/mo98th percentile
Median household income
$153k93th percentile
Property tax rate
0.62%18th percentile
Top state income-tax rate
13.3%
Sales tax (state + local)
8.8%
Unemployment rate
4.3%
Homes with broadband
95%76th percentile
Walkability index
11.676th percentile
Average commute
27 min
Math proficiency (8th grade)
77%90th percentile
Reading proficiency (8th grade)
77%
Violent crime rate
168 per 100k48th percentile
Property crime rate
1,502 per 100k
Overall natural-hazard risk
9986th percentile
Outdoor access
8685th percentile
Public land within 10 miles
28%
Public land within 30 miles
9%
Mountain relief within 30 miles
1,772 ft

Climate by month

Average monthly weather in San Mateo, California
MonthHighLowPrecipitationSnowSunshine
Jan58°F44°F3.9″—200 hrs
Feb61°F46°F4.0″—200 hrs
Mar63°F48°F2.7″—256 hrs
Apr66°F49°F1.4″—293 hrs
May68°F52°F0.5″—323 hrs
Jun71°F54°F0.1″—340 hrs
Jul73°F55°F0.0″—308 hrs
Aug73°F56°F0.0″—284 hrs
Sep75°F56°F0.1″—274 hrs
Oct72°F53°F0.8″—260 hrs
Nov64°F48°F2.0″—219 hrs
Dec58°F45°F4.1″—187 hrs

Near San Mateo

Largest places in California

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