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North Sioux City, SD
Full City Profile · South Dakota · Dakota County County
3.3
/5.0
B
Good
3,018
Population
904/sq mi density
$76,481
Median Income
$42,673 per capita
$234,500
Home Value
$414,793 Zillow
$1,092
Median Rent
26.0% income on rent
47°F
Avg Temperature
291 sunny days/yr
205
Violent Crime/100K
1,876 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$76,481 median income, 3.8% unemployment
A+
Affordability
5.0 / 5.0
$234,500 home value, $1,092/mo rent
F
Safety
1.0 / 5.0
205 violent crimes/100K
B
Education
3.2 / 5.0
27.8% bachelor's degree or higher
North Sioux City experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 17°F in January while summers reach 73°F in July. The area gets 291 sunny days per year. Annual precipitation totals 30.0 inches. The area receives 30.9 inches of snow annually. Air quality is rated Good with a median AQI of 35.
Temperature
17°F Jan (-8°C)
73°F Jul (23°C)
| Annual Average | 46.9°F |
| 13% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 291 days/yr |
Geography
| Elevation | 1,107 ft (337 m) |
| Area | 2.3 sq mi (5.9 km²) |
| Population Density | 904/sq mi |
| Coordinates | 42.5309°N, 96.4996°W |
| Timezone | America/Chicago |
| County | Dakota County County |
| Nearest Airport | Sioux Gateway/Brig General Bud Day Field (SUX) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 36.0 / 100 |
| Social Vulnerability | 34.2 / 100 |
| Community Resilience | 8.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-8°C) | 0.6 in | Coldest, Driest |
| February | 24°F (-4°C) | 0.6 in | |
| March | 36°F (2°C) | 2.0 in | |
| April | 49°F (9°C) | 2.7 in | |
| May | 60°F (16°C) | 3.6 in | |
| June | 70°F (21°C) | 3.8 in | Wettest |
| July | 73°F (23°C) | 3.3 in | Warmest |
| August | 72°F (22°C) | 3.0 in | |
| September | 63°F (17°C) | 2.7 in | |
| October | 51°F (10°C) | 2.0 in | |
| November | 34°F (1°C) | 1.3 in | |
| December | 22°F (-6°C) | 0.7 in |
North Sioux City has a seasonal temperature swing of 56°F / from 17°F in January to 73°F in July. Total annual precipitation is 26.3 inches, with June being the wettest month (3.8") and January the driest (0.6").