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August, CA
Full City Profile · California · San Joaquin County County
2.0
/5.0
C
Fair
8,471
Population
6,723/sq mi density
$48,708
Median Income
$20,378 per capita
$267,600
Home Value
$319,814 Zillow
$1,133
Median Rent
42.1% income on rent
64°F
Avg Temperature
330 sunny days/yr
1,331
Violent Crime/100K
4,390 property/100K
C
Overall
2.0 / 5.0
Fair overall score based on economy, affordability, safety and education
C
Economy
2.3 / 5.0
$48,708 median income, 6.2% unemployment
B+
Affordability
3.6 / 5.0
$267,600 home value, $1,133/mo rent
F
Safety
1.0 / 5.0
1,331 violent crimes/100K (250% above avg)
F
Education
1.2 / 5.0
3.1% bachelor's degree or higher
August 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. The area gets 330 sunny days per year. Annual precipitation totals 17.3 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 48.
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) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 23 ft (7 m) |
| Area | 1.3 sq mi (3.2 km²) |
| Population Density | 6,723/sq mi |
| Coordinates | 37.9796°N, 121.2625°W |
| Timezone | America/Los_Angeles |
| County | San Joaquin County County |
| Nearest Airport | Sacramento International (SMF) 53 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
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 | 80 km |
| 1989 | N. CALIFORNIA | Earthquake | 1.0 m | 62 | 118 km |
| 1856 | N. CALIFORNIA | Eruption + Earthquake | 0.6 m | — | 106 km |
| 1906 | N. CALIFORNIA | Eruption + Earthquake | 0.1 m | — | 113 km |
| 1865 | N. CALIFORNIA | Eruption + Earthquake | — | — | 103 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Clear Lake (171 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 171 km |
| Mono Lake Volcanic Field | Pyroclastic cone(s) | 2,121 m (6,959 ft) | 1790 | 196 km |
| Mono-Inyo Craters | Lava dome(s) | 2,796 m (9,173 ft) | 1380 | 197 km |
| Mammoth Mountain | Lava dome(s) | 3,369 m (11,053 ft) | 1260 | 200 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (9°C) | 2.7 in | Wettest |
| February | 51°F (11°C) | 2.3 in | |
| March | 55°F (13°C) | 2.3 in | |
| April | 60°F (15°C) | 0.9 in | |
| May | 66°F (19°C) | 0.4 in | |
| June | 72°F (22°C) | 0.1 in | |
| July | 78°F (25°C) | 0.0 in | Warmest, Driest |
| August | 75°F (24°C) | 0.1 in | |
| September | 72°F (22°C) | 0.3 in | |
| October | 64°F (18°C) | 0.8 in | |
| November | 53°F (12°C) | 2.0 in | |
| December | 46°F (8°C) | 2.0 in | Coldest |
August has a seasonal temperature swing of 32°F / from 46°F in December to 78°F in July. Total annual precipitation is 14.0 inches, with January being the wettest month (2.7") and July the driest (0.0").