All Countries
Somerton, AZ
Full City Profile · Arizona · Yuma County County
3.0
/5.0
B
Good
14,383
Population
1,978/sq mi density
$71,825
Median Income
$22,812 per capita
$206,100
Home Value
$267,980 Zillow
$909
Median Rent
19.7% income on rent
76°F
Avg Temperature
330 sunny days/yr
215
Violent Crime/100K
769 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$71,825 median income, 3.1% unemployment
A+
Affordability
5.0 / 5.0
$206,100 home value, $909/mo rent
F
Safety
1.0 / 5.0
215 violent crimes/100K
C
Education
2.3 / 5.0
15.9% bachelor's degree or higher
Somerton has a warm climate with an average annual temperature of 76°F (24°C). Winters average 59°F in January while summers reach 95°F in July. The area gets 330 sunny days per year. Annual precipitation totals 3.3 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 45.
Temperature
59°F Jan (15°C)
95°F Jul (35°C)
| Annual Average | 76.0°F |
| 41% above US avg | |
| January Average | 59°F (15°C) |
| July Average | 95°F (35°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 105 ft (32 m) |
| Area | 7.3 sq mi (18.9 km²) |
| Population Density | 1,978/sq mi |
| Coordinates | 32.6018°N, 114.6963°W |
| Timezone | America/Phoenix |
| County | Yuma County County |
| Nearest Airport | Yuma Mcas/Yuma International (YUM) 6 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0466 ppm |
| PM2.5 (Fine Particles) | 8.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 92.6 / 100 |
| Social Vulnerability | 68.5 / 100 |
| Community Resilience | 1.2 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Relatively High |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | No Rating |
| Landslide | Very Low |
| Volcano | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Salton Buttes (108 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Salton Buttes | Lava dome(s) | -40 m (-131 ft) | 210 | 108 km |
| Pinacate | Pyroclastic cone(s) | 1,200 m (3,937 ft) | Unknown | 146 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 59°F (15°C) | 0.4 in | |
| February | 59°F (15°C) | 0.3 in | |
| March | 64°F (18°C) | 0.3 in | |
| April | 70°F (21°C) | 0.1 in | |
| May | 77°F (25°C) | 0.0 in | Driest |
| June | 86°F (30°C) | 0.0 in | |
| July | 95°F (35°C) | 0.2 in | Warmest |
| August | 91°F (33°C) | 0.6 in | Wettest |
| September | 86°F (30°C) | 0.4 in | |
| October | 75°F (24°C) | 0.3 in | |
| November | 63°F (17°C) | 0.2 in | |
| December | 55°F (13°C) | 0.4 in | Coldest |
Somerton has a seasonal temperature swing of 40°F / from 55°F in December to 95°F in July. Total annual precipitation is 3.2 inches, with August being the wettest month (0.6") and May the driest (0.0").