Aguanga, CA
Full City Profile · California · San Diego County County
3.3
/5.0
B
Good
756
Population
56/sq mi density
57°F
Avg Temperature
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
B
Education
3.3 / 5.0
29.0% bachelor's degree or higher
Aguanga enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 44°F in January while summers reach 74°F in July. Annual precipitation totals 30.4 inches. The area receives 26.2 inches of snow annually. Air quality is rated Moderate with a median AQI of 71.
Temperature
44°F Jan (7°C)
74°F Jul (23°C)
| Annual Average | 57.1°F |
| 6% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 74°F (23°C) |
Geography
| Elevation | 2,138 ft (652 m) |
| Area | 13.6 sq mi (35.2 km²) |
| Population Density | 56/sq mi |
| Coordinates | 33.4522°N, 116.8555°W |
| Timezone | America/Los_Angeles |
| County | San Diego County County |
| Nearest Airport | Palm Springs International (PSP) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 71.0 |
| Rating | Moderate |
| Good Days % | 12.8% |
| Unhealthy Days | 52 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0453 ppm |
| NO₂ (Nitrogen Dioxide) | 13.7 ppb |
| SO₂ (Sulfur Dioxide) | 0.07 ppb |
| CO (Carbon Monoxide) | 0.50 ppm |
| PM2.5 (Fine Particles) | 8.4 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very High |
| Risk Score | 99.7 / 100 |
| Social Vulnerability | 24.8 / 100 |
| Community Resilience | 8.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively High |
| Wildfire | Very High |
| Flood | Very High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Relatively High |
| Coastal Flood | Relatively Moderate |
| Tsunami | Relatively Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 1.2 m (4 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1862 | S. CALIFORNIA | Eruption + Earthquake | 1.2 m | - | 90 km |
| 1855 | S. CALIFORNIA | Eruption + Earthquake | - | - | 136 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Salton Buttes (119 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Salton Buttes | Lava dome(s) | -40 m (-131 ft) | 210 | 119 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 5.9 in | |
| February | 44°F (6°C) | 7.3 in | Coldest, Wettest |
| March | 47°F (8°C) | 4.6 in | |
| April | 52°F (11°C) | 2.0 in | |
| May | 59°F (15°C) | 0.9 in | |
| June | 68°F (20°C) | 0.2 in | Driest |
| July | 74°F (23°C) | 0.3 in | |
| August | 75°F (24°C) | 0.7 in | Warmest |
| September | 69°F (21°C) | 0.5 in | |
| October | 60°F (16°C) | 1.2 in | |
| November | 50°F (10°C) | 2.3 in | |
| December | 44°F (7°C) | 4.6 in |
Aguanga has a seasonal temperature swing of 31°F / from 44°F in February to 75°F in August. Total annual precipitation is 30.4 inches, with February being the wettest month (7.3") and June the driest (0.2").