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Garwin, IA
Full City Profile · Iowa · Tama County County
2.9
/5.0
C+
Fair
554
Population
549/sq mi density
$56,563
Median Income
$32,059 per capita
$85,100
Home Value
$161,957 Zillow
$645
Median Rent
21.6% income on rent
47°F
Avg Temperature
260 sunny days/yr
398
Violent Crime/100K
2,034 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$56,563 median income, 0.6% unemployment
A+
Affordability
5.0 / 5.0
$85,100 home value, $645/mo rent
F
Safety
1.0 / 5.0
398 violent crimes/100K (5% above avg)
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. The area gets 260 sunny days per year. Annual precipitation totals 35.3 inches. The area receives 32.8 inches of snow annually. Air quality is rated Good with a median AQI of 43.
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) |
| Sunny Days | 260 days/yr |
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
| AQI Median | 43.0 |
| Rating | Good |
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) | 0.9 in | Coldest, Driest |
| February | 23°F (-5°C) | 1.1 in | |
| March | 35°F (2°C) | 2.2 in | |
| April | 48°F (9°C) | 3.3 in | |
| May | 60°F (16°C) | 4.3 in | |
| June | 70°F (21°C) | 4.7 in | Wettest |
| July | 73°F (23°C) | 4.3 in | Warmest |
| August | 71°F (22°C) | 4.4 in | |
| September | 63°F (17°C) | 3.6 in | |
| October | 51°F (10°C) | 2.6 in | |
| November | 36°F (2°C) | 1.9 in | |
| December | 22°F (-5°C) | 1.3 in |
Garwin has a seasonal temperature swing of 54°F / from 18°F in January to 73°F in July. Total annual precipitation is 34.6 inches, with June being the wettest month (4.7") and January the driest (0.9").