Weldon, IA
Full City Profile · Iowa · Decatur County County
2.2
/5.0
C
Fair
90
Population
474/sq mi density
$37,708
Median Income
$22,243 per capita
50°F
Avg Temperature
C
Overall
2.2 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.5 / 5.0
$37,708 median income, 10.8% unemployment
D
Education
1.8 / 5.0
10.3% bachelor's degree or higher
Weldon experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 22°F in January while summers reach 75°F in July. Annual precipitation totals 38.7 inches. The area receives 28.1 inches of snow annually.
Temperature
22°F Jan (-6°C)
75°F Jul (24°C)
| Annual Average | 49.8°F |
| 8% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 1,148 ft (350 m) |
| Area | 0.2 sq mi (0.5 km²) |
| Population Density | 474/sq mi |
| Coordinates | 40.8973°N, 93.7350°W |
| Timezone | America/Chicago |
| County | Decatur County County |
| Nearest Airport | Des Moines International (DSM) 42 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 23.6 / 100 |
| Social Vulnerability | 43.0 / 100 |
| Community Resilience | 41.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Very 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 | 22°F (-6°C) | 1.0 in | Coldest, Driest |
| February | 26°F (-3°C) | 1.3 in | |
| March | 38°F (3°C) | 2.1 in | |
| April | 50°F (10°C) | 4.1 in | |
| May | 61°F (16°C) | 5.5 in | Wettest |
| June | 71°F (22°C) | 5.3 in | |
| July | 75°F (24°C) | 4.5 in | Warmest |
| August | 73°F (23°C) | 4.6 in | |
| September | 65°F (18°C) | 3.9 in | |
| October | 52°F (11°C) | 2.9 in | |
| November | 39°F (4°C) | 2.1 in | |
| December | 27°F (-3°C) | 1.5 in |
Weldon has a seasonal temperature swing of 53°F / from 22°F in January to 75°F in July. Total annual precipitation is 38.7 inches, with May being the wettest month (5.5") and January the driest (1.0").