Country Club, CA
Full City Profile · California · San Joaquin County County
3.3
/5.0
B
Good
10,017
Population
5,217/sq mi density
$79,506
Median Income
$32,734 per capita
$349,700
Home Value
$426,138 Zillow
$1,752
Median Rent
34.9% income on rent
64°F
Avg Temperature
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$79,506 median income, 8.2% unemployment
A
Affordability
4.2 / 5.0
$349,700 home value, $1,752/mo rent
C
Education
2.4 / 5.0
17.7% bachelor's degree or higher
Country Club enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 49°F in January while summers reach 78°F in July. Annual precipitation totals 17.3 inches. The area receives 0.0 inches of snow annually. Air quality is rated Moderate with a median AQI of 51.
Temperature
49°F Jan (9°C)
78°F Jul (25°C)
| Annual Average | 63.9°F |
| 18% above US avg | |
| January Average | 49°F (9°C) |
| July Average | 78°F (25°C) |
Geography
| Elevation | 1 ft (0 m) |
| Area | 2.1 sq mi (5.4 km²) |
| Population Density | 5,217/sq mi |
| Coordinates | 37.9680°N, 121.3405°W |
| Timezone | America/Los_Angeles |
| County | San Joaquin County County |
| Nearest Airport | Metro Oakland International (OAK) 51 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 51.0 |
| Rating | Moderate |
| Good Days % | 48.6% |
| Unhealthy Days | 11 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0391 ppm |
| NO₂ (Nitrogen Dioxide) | 10.1 ppb |
| CO (Carbon Monoxide) | 0.27 ppm |
| PM2.5 (Fine Particles) | 9.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.6 / 100 |
| Social Vulnerability | 39.7 / 100 |
| Community Resilience | 47.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Relatively High |
| Wildfire | Relatively Moderate |
| Flood | Relatively High |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively High |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Drought | Very High |
| Cold Wave | No Rating |
| Landslide | 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 | 73 km |
| 1989 | N. CALIFORNIA | Earthquake | 1.0 m | 62 | 114 km |
| 1856 | N. CALIFORNIA | Eruption + Earthquake | 0.6 m | - | 99 km |
| 1906 | N. CALIFORNIA | Eruption + Earthquake | 0.1 m | - | 106 km |
| 1865 | N. CALIFORNIA | Eruption + Earthquake | - | - | 99 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Clear Lake (167 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 167 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (9°C) | 3.6 in | Coldest, Wettest |
| February | 53°F (12°C) | 3.1 in | |
| March | 58°F (14°C) | 2.4 in | |
| April | 62°F (17°C) | 1.5 in | |
| May | 69°F (20°C) | 0.6 in | |
| June | 74°F (24°C) | 0.1 in | |
| July | 78°F (25°C) | 0.0 in | Warmest, Driest |
| August | 77°F (25°C) | 0.0 in | |
| September | 75°F (24°C) | 0.1 in | |
| October | 66°F (19°C) | 1.0 in | |
| November | 56°F (13°C) | 1.8 in | |
| December | 49°F (9°C) | 3.2 in |
Country Club has a seasonal temperature swing of 29°F / from 49°F in January to 78°F in July. Total annual precipitation is 17.3 inches, with January being the wettest month (3.6") and July the driest (0.0").