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Duncan, AZ
Full City Profile · Arizona · Graham County County
2.6
/5.0
C+
Fair
1,063
Population
494/sq mi density
$38,750
Median Income
$20,874 per capita
$159,200
Home Value
$237,473 Zillow
$550
Median Rent
18.8% income on rent
61°F
Avg Temperature
330 sunny days/yr
20
Violent Crime/100K
2,099 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$38,750 median income, 1.8% unemployment
A
Affordability
4.4 / 5.0
$159,200 home value, $550/mo rent
F
Safety
1.0 / 5.0
20 violent crimes/100K
C
Education
2.1 / 5.0
14.3% bachelor's degree or higher
Duncan enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 43°F in January while summers reach 82°F in July. The area gets 330 sunny days per year. Annual precipitation totals 10.4 inches. Air quality is rated Good with a median AQI of 45.
Temperature
43°F Jan (6°C)
82°F Jul (28°C)
| Annual Average | 61.4°F |
| 14% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 3,786 ft (1,154 m) |
| Area | 2.2 sq mi (5.6 km²) |
| Population Density | 494/sq mi |
| Coordinates | 32.7500°N, 109.0884°W |
| Timezone | America/Phoenix |
| County | Graham County County |
| Nearest Airport | Safford Regional (SAD) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 64.6 / 100 |
| Social Vulnerability | 71.6 / 100 |
| Community Resilience | 7.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
1 volcano within 200 km. Closest: Red Hill (169 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Red Hill | Volcanic field | 2,300 m (7,546 ft) | -9450 | 169 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 1.0 in | Coldest |
| February | 47°F (8°C) | 0.8 in | |
| March | 52°F (11°C) | 0.6 in | |
| April | 58°F (15°C) | 0.2 in | Driest |
| May | 67°F (19°C) | 0.3 in | |
| June | 76°F (24°C) | 0.4 in | |
| July | 82°F (28°C) | 2.4 in | Warmest, Wettest |
| August | 78°F (26°C) | 2.2 in | |
| September | 73°F (23°C) | 1.5 in | |
| October | 62°F (17°C) | 1.2 in | |
| November | 50°F (10°C) | 0.8 in | |
| December | 43°F (6°C) | 1.3 in |
Duncan has a seasonal temperature swing of 39°F / from 43°F in January to 82°F in July. Total annual precipitation is 12.6 inches, with July being the wettest month (2.4") and April the driest (0.2").