Ridgemark, CA
Full City Profile · California · San Benito County County
3.7
/5.0
B+
Good
3,051
Population
1,187/sq mi density
$127,117
Median Income
$67,897 per capita
$820,900
Home Value
$759,483 Zillow
$3,255
Median Rent
24.3% income on rent
59°F
Avg Temperature
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$127,117 median income, 6.6% unemployment
B
Affordability
3.0 / 5.0
$820,900 home value, $3,255/mo rent
B+
Education
3.7 / 5.0
34.0% bachelor's degree or higher
Ridgemark enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 49°F in January while summers reach 67°F in July. Annual precipitation totals 13.7 inches. The area receives 0.1 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
49°F Jan (10°C)
67°F Jul (19°C)
| Annual Average | 58.6°F |
| 9% above US avg | |
| January Average | 49°F (10°C) |
| July Average | 67°F (19°C) |
Geography
| Elevation | 518 ft (158 m) |
| Area | 2.6 sq mi (6.7 km²) |
| Population Density | 1,187/sq mi |
| Coordinates | 36.8082°N, 121.3623°W |
| Timezone | America/Los_Angeles |
| County | San Benito County County |
| Nearest Airport | Monterey Regional (MRY) 31 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
| Good Days % | 71.0% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0408 ppm |
| PM2.5 (Fine Particles) | 4.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 85.2 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 56.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Drought | Relatively High |
| Cold Wave | No Rating |
| Landslide | Relatively Moderate |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
6 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 | 119 km |
| 1989 | N. CALIFORNIA | Earthquake | 1.0 m | 62 | 53 km |
| 1856 | N. CALIFORNIA | Eruption + Earthquake | 0.6 m | - | 113 km |
| 1906 | N. CALIFORNIA | Eruption + Earthquake | 0.1 m | - | 141 km |
| 1901 | MONTEREY BAY, N. CALIFORNIA | Eruption + Earthquake | - | - | 119 km |
| 1865 | N. CALIFORNIA | Eruption + Earthquake | - | - | 65 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (10°C) | 3.1 in | Wettest |
| February | 51°F (11°C) | 2.7 in | |
| March | 54°F (12°C) | 2.2 in | |
| April | 57°F (14°C) | 1.0 in | |
| May | 61°F (16°C) | 0.4 in | |
| June | 65°F (18°C) | 0.1 in | |
| July | 67°F (19°C) | 0.0 in | Driest |
| August | 68°F (20°C) | 0.0 in | Warmest |
| September | 67°F (19°C) | 0.1 in | |
| October | 62°F (17°C) | 0.6 in | |
| November | 54°F (12°C) | 1.3 in | |
| December | 48°F (9°C) | 2.3 in | Coldest |
Ridgemark has a seasonal temperature swing of 20°F / from 48°F in December to 68°F in August. Total annual precipitation is 13.7 inches, with January being the wettest month (3.1") and July the driest (0.0").