Sac City, IA
Full City Profile · Iowa · Calhoun County County
4.0
/5.0
A
Great
1,782
Population
364/sq mi density
$57,487
Median Income
$41,805 per capita
$106,400
Home Value
$151,117 Zillow
$620
Median Rent
30.2% income on rent
47°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
A
Economy
4.1 / 5.0
$57,487 median income, 1.9% unemployment
A+
Affordability
5.0 / 5.0
$106,400 home value, $620/mo rent
C+
Education
2.9 / 5.0
23.3% bachelor's degree or higher
Sac 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. Annual precipitation totals 33.1 inches. The area receives 30.9 inches of snow annually.
Temperature
17°F Jan (-8°C)
73°F Jul (23°C)
| Annual Average | 46.6°F |
| 14% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 1,263 ft (385 m) |
| Area | 4.9 sq mi (12.8 km²) |
| Population Density | 364/sq mi |
| Coordinates | 42.4220°N, 94.9974°W |
| Timezone | America/Chicago |
| County | Calhoun County County |
| Nearest Airport | Fort Dodge Regional (FOD) 42 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 44.6 / 100 |
| Social Vulnerability | 48.5 / 100 |
| Community Resilience | 87.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively High |
| 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) | 0.7 in | Coldest, Driest |
| February | 22°F (-6°C) | 1.0 in | |
| March | 34°F (1°C) | 1.8 in | |
| April | 47°F (8°C) | 3.5 in | |
| May | 59°F (15°C) | 4.6 in | |
| June | 69°F (21°C) | 5.1 in | Wettest |
| July | 73°F (23°C) | 3.9 in | Warmest |
| August | 70°F (21°C) | 4.4 in | |
| September | 62°F (17°C) | 2.9 in | |
| October | 50°F (10°C) | 2.4 in | |
| November | 35°F (2°C) | 1.6 in | |
| December | 23°F (-5°C) | 1.2 in |
Sac City has a seasonal temperature swing of 55°F / from 17°F in January to 73°F in July. Total annual precipitation is 33.1 inches, with June being the wettest month (5.1") and January the driest (0.7").