Hartley, IA
Full City Profile · Iowa · O'Brien County County
3.6
/5.0
B+
Good
1,588
Population
1,194/sq mi density
$51,118
Median Income
$30,806 per capita
$108,400
Home Value
$180,320 Zillow
$698
Median Rent
31.3% income on rent
47°F
Avg Temperature
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$51,118 median income, 3.1% unemployment
A+
Affordability
5.0 / 5.0
$108,400 home value, $698/mo rent
C
Education
2.1 / 5.0
13.5% bachelor's degree or higher
Hartley 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. Annual precipitation totals 30.8 inches. The area receives 41.4 inches of snow annually.
Temperature
17°F Jan (-8°C)
73°F Jul (23°C)
| Annual Average | 46.8°F |
| 13% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 1,467 ft (447 m) |
| Area | 1.3 sq mi (3.4 km²) |
| Population Density | 1,194/sq mi |
| Coordinates | 43.1791°N, 95.4768°W |
| Timezone | America/Chicago |
| County | O'Brien County County |
| Nearest Airport | Joe Foss Field (FSD) 69 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 16.4 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 96.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-8°C) | 0.8 in | Coldest, Driest |
| February | 21°F (-6°C) | 0.8 in | |
| March | 34°F (1°C) | 1.7 in | |
| April | 47°F (8°C) | 3.3 in | |
| May | 59°F (15°C) | 4.3 in | |
| June | 70°F (21°C) | 4.7 in | Wettest |
| July | 73°F (23°C) | 3.6 in | Warmest |
| August | 71°F (21°C) | 3.6 in | |
| September | 63°F (17°C) | 3.3 in | |
| October | 49°F (10°C) | 2.4 in | |
| November | 35°F (1°C) | 1.4 in | |
| December | 22°F (-5°C) | 1.0 in |
Hartley has a seasonal temperature swing of 57°F / from 17°F in January to 73°F in July. Total annual precipitation is 30.8 inches, with June being the wettest month (4.7") and January the driest (0.8").