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Santa Clara, CA
Full City Profile · California · Santa Clara County County
3.1
/5.0
B
Good
129,239
Population
7,070/sq mi density
$173,670
Median Income
$84,533 per capita
$1,527,900
Home Value
$1,742,578 Zillow
$2,985
Median Rent
25.1% income on rent
60°F
Avg Temperature
322 sunny days/yr
163
Violent Crime/100K
3,620 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$173,670 median income, 3.1% unemployment
D
Affordability
1.7 / 5.0
$1,527,900 home value, $2,985/mo rent
F
Safety
1.0 / 5.0
163 violent crimes/100K
A+
Education
5.0 / 5.0
65.3% bachelor's degree or higher
Santa Clara enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 50°F in January while summers reach 70°F in July. The area gets 322 sunny days per year. Annual precipitation totals 31.6 inches. The area receives 1.0 inches of snow annually. Air quality is rated Good with a median AQI of 47.
Temperature
50°F Jan (10°C)
70°F Jul (21°C)
| Annual Average | 59.5°F |
| 10% above US avg | |
| January Average | 50°F (10°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 322 days/yr |
Geography
| Elevation | 52 ft (16 m) |
| Area | 18.4 sq mi (47.7 km²) |
| Population Density | 7,070/sq mi |
| Coordinates | 37.3646°N, 121.9680°W |
| Timezone | America/Los_Angeles |
| County | Santa Clara County County |
| Nearest Airport | Norman Y Mineta San Jose International (SJC) 2 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 47.0 |
| Rating | Good |
| Good Days % | 55.4% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0372 ppm |
| NO₂ (Nitrogen Dioxide) | 15.5 ppb |
| SO₂ (Sulfur Dioxide) | 0.16 ppb |
| CO (Carbon Monoxide) | 0.39 ppm |
| PM2.5 (Fine Particles) | 6.9 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very High |
| Risk Score | 99.8 / 100 |
| Social Vulnerability | 17.2 / 100 |
| Community Resilience | 72.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very High |
| Wildfire | Relatively Moderate |
| Flood | Very High |
| Hail | Relatively Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively High |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Drought | Relatively High |
| Cold Wave | No Rating |
| Landslide | Relatively High |
| Coastal Flood | Relatively High |
| Tsunami | Very Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 4.5 m (15 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1868 | N. CALIFORNIA | Eruption + Earthquake | 4.5 m | 30 | 39 km |
| 1989 | N. CALIFORNIA | Earthquake | 1.0 m | 62 | 37 km |
| 1856 | N. CALIFORNIA | Eruption + Earthquake | 0.6 m | — | 33 km |
| 1906 | N. CALIFORNIA | Eruption + Earthquake | 0.1 m | — | 60 km |
| 1865 | N. CALIFORNIA | Eruption + Earthquake | — | — | 19 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Clear Lake (192 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 192 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 50°F (10°C) | 3.2 in | Coldest, Wettest |
| February | 53°F (12°C) | 2.6 in | |
| March | 55°F (13°C) | 2.5 in | |
| April | 58°F (15°C) | 1.2 in | |
| May | 63°F (17°C) | 0.2 in | |
| June | 67°F (20°C) | 0.1 in | |
| July | 70°F (21°C) | 0.0 in | Driest |
| August | 70°F (21°C) | 0.1 in | Warmest |
| September | 69°F (20°C) | 0.2 in | |
| October | 64°F (18°C) | 0.9 in | |
| November | 56°F (13°C) | 2.4 in | |
| December | 50°F (10°C) | 2.3 in |
Santa Clara has a seasonal temperature swing of 20°F / from 50°F in January to 70°F in August. Total annual precipitation is 15.9 inches, with January being the wettest month (3.2") and July the driest (0.0").