East Foothills, CA
Full City Profile · California · Santa Clara County County
4.2
/5.0
A
Great
8,630
Population
4,052/sq mi density
$188,558
Median Income
$68,326 per capita
$1,214,000
Home Value
$1,435,993 Zillow
$3,247
Median Rent
24.3% income on rent
61°F
Avg Temperature
A
Overall
4.2 / 5.0
Strong
A+
Economy
4.6 / 5.0
$188,558 median income, 4.7% unemployment
B
Affordability
3.0 / 5.0
$1,214,000 home value, $3,247/mo rent
A+
Education
4.8 / 5.0
47.8% bachelor's degree or higher
East Foothills enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 51°F in January while summers reach 70°F in July. Annual precipitation totals 13.5 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 47.
Temperature
51°F Jan (10°C)
70°F Jul (21°C)
| Annual Average | 60.7°F |
| 12% above US avg | |
| January Average | 51°F (10°C) |
| July Average | 70°F (21°C) |
Geography
| Elevation | 470 ft (143 m) |
| Area | 2.1 sq mi (5.4 km²) |
| Population Density | 4,052/sq mi |
| Coordinates | 37.3826°N, 121.8137°W |
| Timezone | America/Los_Angeles |
| County | Santa Clara County County |
| Nearest Airport | Norman Y Mineta San Jose International (SJC) 6 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 | 43 km |
| 1989 | N. CALIFORNIA | Earthquake | 1.0 m | 62 | 39 km |
| 1856 | N. CALIFORNIA | Eruption + Earthquake | 0.6 m | - | 45 km |
| 1906 | N. CALIFORNIA | Eruption + Earthquake | 0.1 m | - | 70 km |
| 1865 | N. CALIFORNIA | Eruption + Earthquake | - | - | 22 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Clear Lake (195 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 195 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (10°C) | 2.8 in | Wettest |
| February | 53°F (12°C) | 2.7 in | |
| March | 56°F (13°C) | 2.1 in | |
| April | 59°F (15°C) | 1.1 in | |
| May | 63°F (17°C) | 0.4 in | |
| June | 67°F (20°C) | 0.2 in | |
| July | 70°F (21°C) | 0.0 in | Driest |
| August | 70°F (21°C) | 0.1 in | Warmest |
| September | 69°F (21°C) | 0.1 in | |
| October | 64°F (18°C) | 0.5 in | |
| November | 56°F (13°C) | 1.3 in | |
| December | 51°F (10°C) | 2.3 in | Coldest |
East Foothills has a seasonal temperature swing of 19°F / from 51°F in December to 70°F in August. Total annual precipitation is 13.5 inches, with January being the wettest month (2.8") and July the driest (0.0").