Guernsey, IA
Full City Profile · Iowa · Poweshiek County County
3.4
/5.0
B
Good
54
Population
96/sq mi density
$67,917
Median Income
$77,711 per capita
$76,000
Home Value
$227,281 Zillow
$850
Median Rent
18.1% income on rent
48°F
Avg Temperature
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$67,917 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$76,000 home value, $850/mo rent
F
Education
1.2 / 5.0
2.2% bachelor's degree or higher
Guernsey experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 19°F in January while summers reach 73°F in July. Annual precipitation totals 37.7 inches. The area receives 29.8 inches of snow annually.
Temperature
19°F Jan (-7°C)
73°F Jul (23°C)
| Annual Average | 48.2°F |
| 11% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 816 ft (249 m) |
| Area | 0.6 sq mi (1.5 km²) |
| Population Density | 96/sq mi |
| Coordinates | 41.6506°N, 92.3460°W |
| Timezone | America/Chicago |
| County | Poweshiek County County |
| Nearest Airport | The Eastern Iowa (CID) 37 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 31.3 / 100 |
| Social Vulnerability | 21.4 / 100 |
| Community Resilience | 84.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively 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 | 19°F (-7°C) | 1.1 in | Coldest, Driest |
| February | 24°F (-5°C) | 1.4 in | |
| March | 36°F (2°C) | 2.2 in | |
| April | 49°F (9°C) | 3.8 in | |
| May | 60°F (16°C) | 4.8 in | |
| June | 70°F (21°C) | 5.6 in | Wettest |
| July | 73°F (23°C) | 4.2 in | Warmest |
| August | 71°F (22°C) | 4.4 in | |
| September | 64°F (18°C) | 3.8 in | |
| October | 51°F (11°C) | 3.0 in | |
| November | 37°F (3°C) | 2.1 in | |
| December | 25°F (-4°C) | 1.6 in |
Guernsey has a seasonal temperature swing of 54°F / from 19°F in January to 73°F in July. Total annual precipitation is 37.7 inches, with June being the wettest month (5.6") and January the driest (1.1").