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San Jose, CA
Full City Profile · California · Santa Clara County County
3.1
/5.0
B
Good
990,054
Population
5,564/sq mi density
$141,565
Median Income
$63,253 per capita
$1,187,800
Home Value
$1,435,993 Zillow
$2,617
Median Rent
30.0% income on rent
59°F
Avg Temperature
318 sunny days/yr
438
Violent Crime/100K
2,420 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$141,565 median income, 3.2% unemployment
D
Affordability
1.9 / 5.0
$1,187,800 home value, $2,617/mo rent
F
Safety
1.0 / 5.0
438 violent crimes/100K (15% above avg)
A+
Education
4.7 / 5.0
46.5% bachelor's degree or higher
San Jose enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 49°F in January while summers reach 71°F in July. The area gets 318 sunny days per year. Annual precipitation totals 30.6 inches. The area receives 0.7 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
49°F Jan (10°C)
71°F Jul (21°C)
| Annual Average | 58.8°F |
| 9% above US avg | |
| January Average | 49°F (10°C) |
| July Average | 71°F (21°C) |
| Sunny Days | 318 days/yr |
Geography
| Elevation | 164 ft (50 m) |
| Area | 180.5 sq mi (467.5 km²) |
| Population Density | 5,564/sq mi |
| Coordinates | 37.2960°N, 121.8146°W |
| Timezone | America/Los_Angeles |
| County | Santa Clara County County |
| Nearest Airport | Norman Y Mineta San Jose International (SJC) 8 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
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 | 52 km |
| 1989 | N. CALIFORNIA | Earthquake | 1.0 m | 62 | 30 km |
| 1856 | N. CALIFORNIA | Eruption + Earthquake | 0.6 m | — | 49 km |
| 1906 | N. CALIFORNIA | Eruption + Earthquake | 0.1 m | — | 75 km |
| 1865 | N. CALIFORNIA | Eruption + Earthquake | — | — | 13 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (10°C) | 4.4 in | Wettest |
| February | 51°F (11°C) | 3.5 in | |
| March | 54°F (12°C) | 3.3 in | |
| April | 57°F (14°C) | 1.6 in | |
| May | 62°F (17°C) | 0.2 in | |
| June | 67°F (19°C) | 0.1 in | Driest |
| July | 71°F (21°C) | 0.1 in | |
| August | 71°F (22°C) | 0.1 in | Warmest |
| September | 69°F (21°C) | 0.3 in | |
| October | 64°F (18°C) | 1.1 in | |
| November | 55°F (13°C) | 3.2 in | |
| December | 49°F (9°C) | 3.3 in | Coldest |
San Jose has a seasonal temperature swing of 23°F / from 49°F in December to 71°F in August. Total annual precipitation is 21.1 inches, with January being the wettest month (4.4") and June the driest (0.1").