Garwin, IA
Full City Profile · Iowa · Tama County County
3.6
/5.0
B+
Good
554
Population
549/sq mi density
$56,563
Median Income
$32,059 per capita
$85,100
Home Value
$171,988 Zillow
$645
Median Rent
21.6% income on rent
47°F
Avg Temperature
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$56,563 median income, 1.0% unemployment
A+
Affordability
5.0 / 5.0
$85,100 home value, $645/mo rent
D
Education
1.7 / 5.0
8.7% bachelor's degree or higher
Garwin experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 18°F in January while summers reach 73°F in July. Annual precipitation totals 36.6 inches. The area receives 28.0 inches of snow annually.
Temperature
18°F Jan (-8°C)
73°F Jul (23°C)
| Annual Average | 47.3°F |
| 12% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 899 ft (274 m) |
| Area | 1.0 sq mi (2.6 km²) |
| Population Density | 549/sq mi |
| Coordinates | 42.0935°N, 92.6791°W |
| Timezone | America/Chicago |
| County | Tama County County |
| Nearest Airport | Waterloo Regional (ALO) 35 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 45.3 / 100 |
| Social Vulnerability | 57.2 / 100 |
| Community Resilience | 65.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively High |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 18°F (-8°C) | 1.1 in | Coldest, Driest |
| February | 22°F (-5°C) | 1.1 in | |
| March | 35°F (2°C) | 1.9 in | |
| April | 48°F (9°C) | 3.7 in | |
| May | 59°F (15°C) | 4.6 in | |
| June | 69°F (21°C) | 5.9 in | Wettest |
| July | 73°F (23°C) | 4.3 in | Warmest |
| August | 70°F (21°C) | 3.9 in | |
| September | 63°F (17°C) | 3.8 in | |
| October | 50°F (10°C) | 2.8 in | |
| November | 36°F (2°C) | 2.1 in | |
| December | 24°F (-4°C) | 1.5 in |
Garwin has a seasonal temperature swing of 54°F / from 18°F in January to 73°F in July. Total annual precipitation is 36.6 inches, with June being the wettest month (5.9") and January the driest (1.1").