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San Luis, AZ
Full City Profile · Arizona · Yuma County County
2.6
/5.0
C+
Fair
35,998
Population
1,064/sq mi density
$57,364
Median Income
$17,936 per capita
$197,400
Home Value
$235,074 Zillow
$746
Median Rent
21.9% income on rent
76°F
Avg Temperature
330 sunny days/yr
97
Violent Crime/100K
1,228 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.8 / 5.0
$57,364 median income, 5.2% unemployment
A+
Affordability
4.7 / 5.0
$197,400 home value, $746/mo rent
F
Safety
1.0 / 5.0
97 violent crimes/100K
D
Education
1.8 / 5.0
9.4% bachelor's degree or higher
San Luis 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 | 154 ft (47 m) |
| Area | 33.8 sq mi (87.6 km²) |
| Population Density | 1,064/sq mi |
| Coordinates | 32.4857°N, 114.7219°W |
| Timezone | America/Phoenix |
| County | Yuma County County |
| Nearest Airport | Yuma Mcas/Yuma International (YUM) 14 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 (115 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Salton Buttes | Lava dome(s) | -40 m (-131 ft) | 210 | 115 km |
| Pinacate | Pyroclastic cone(s) | 1,200 m (3,937 ft) | Unknown | 140 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 59°F (15°C) | 0.3 in | |
| February | 60°F (15°C) | 0.3 in | |
| March | 65°F (18°C) | 0.3 in | |
| April | 71°F (21°C) | 0.1 in | |
| May | 79°F (26°C) | 0.0 in | Driest |
| June | 87°F (30°C) | 0.0 in | |
| July | 95°F (35°C) | 0.2 in | Warmest |
| August | 91°F (33°C) | 0.5 in | Wettest |
| September | 86°F (30°C) | 0.4 in | |
| October | 75°F (24°C) | 0.4 in | |
| November | 64°F (18°C) | 0.2 in | |
| December | 55°F (13°C) | 0.4 in | Coldest |
San Luis has a seasonal temperature swing of 39°F / from 55°F in December to 95°F in July. Total annual precipitation is 3.0 inches, with August being the wettest month (0.5") and May the driest (0.0").