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Smithfield, NC
Full City Profile · North Carolina · Johnston County County
2.5
/5.0
C+
Fair
11,798
Population
929/sq mi density
$37,827
Median Income
$27,031 per capita
$217,000
Home Value
$290,117 Zillow
$601
Median Rent
33.4% income on rent
62°F
Avg Temperature
310 sunny days/yr
551
Violent Crime/100K
3,579 property/100K
C+
Overall
2.5 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.6 / 5.0
$37,827 median income, 3.8% unemployment
B
Affordability
3.4 / 5.0
$217,000 home value, $601/mo rent
F
Safety
1.0 / 5.0
551 violent crimes/100K (45% above avg)
B
Education
3.1 / 5.0
26.0% bachelor's degree or higher
Smithfield enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 43°F in January while summers reach 81°F in July. The area gets 310 sunny days per year. Annual precipitation totals 49.4 inches. The area receives 0.8 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
43°F Jan (6°C)
81°F Jul (27°C)
| Annual Average | 61.6°F |
| 14% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 124 ft (38 m) |
| Area | 12.1 sq mi (31.4 km²) |
| Population Density | 929/sq mi |
| Coordinates | 35.5238°N, 78.3522°W |
| Timezone | America/New_York |
| County | Johnston County County |
| Nearest Airport | Raleigh-Durham International (RDU) 35 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0449 ppm |
| PM2.5 (Fine Particles) | 8.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 85.6 / 100 |
| Social Vulnerability | 29.2 / 100 |
| Community Resilience | 47.9 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 4.1 in | Coldest |
| February | 43°F (6°C) | 3.7 in | |
| March | 51°F (11°C) | 4.4 in | |
| April | 59°F (15°C) | 3.2 in | |
| May | 67°F (20°C) | 4.0 in | |
| June | 75°F (24°C) | 4.0 in | |
| July | 81°F (27°C) | 5.2 in | Warmest, Wettest |
| August | 77°F (25°C) | 4.7 in | |
| September | 72°F (22°C) | 4.3 in | |
| October | 61°F (16°C) | 3.2 in | |
| November | 52°F (11°C) | 3.0 in | Driest |
| December | 44°F (7°C) | 3.2 in |
Smithfield has a seasonal temperature swing of 39°F / from 43°F in January to 81°F in July. Total annual precipitation is 47.0 inches, with July being the wettest month (5.2") and November the driest (3.0").