Lamoni, IA

Full City Profile · Iowa · Decatur County County

4.3 /5.0
A Great
2,121 Population 537/sq mi density
$52,300 Median Income $24,450 per capita
$107,900 Home Value $169,510 Zillow
$676 Median Rent 27.0% income on rent
52°F Avg Temperature
A
Overall
4.3 / 5.0
Strong
C+
Economy
2.9 / 5.0
$52,300 median income, 6.6% unemployment
A+
Affordability
5.0 / 5.0
$107,900 home value, $676/mo rent
A+
Education
4.9 / 5.0
48.7% bachelor's degree or higher
Lamoni experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 24°F in January while summers reach 76°F in July. Annual precipitation totals 37.4 inches. The area receives 26.7 inches of snow annually.

Temperature

24°F Jan (-4°C) 76°F Jul (24°C)
Annual Average51.6°F
4% below US avg
January Average24°F (-4°C)
July Average76°F (24°C)

Geography

Elevation1,092 ft (333 m)
Area4.0 sq mi (10.2 km²)
Population Density537/sq mi
Coordinates40.6196°N, 93.9305°W
TimezoneAmerica/Chicago
CountyDecatur County County
Nearest AirportDes Moines International (DSM)
62 miles away

Precipitation & Snow

Annual Rainfall 37.4"
2% below US avg
Snowfall 26.7"
Wettest Month (May) 5.14"
Driest Month (Jan) 1.04"

Air Quality

Natural Hazard Risk

Overall RiskVery Low
Risk Score23.6 / 100
Social Vulnerability43.0 / 100
Community Resilience41.1 / 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)

Earthquake History

4 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.5. Most recent: M2.5 on Jul 15, 2025.

Jul 16, 2004 6 km SSE of Riverton, Iowa M3.5 137 km
Feb 11, 1995 6 km E of Clearmont, Missouri M3.1 87 km
Mar 31, 1993 2 km SE of Nemaha, Nebraska M2.9 149 km
Jul 15, 2025 3 km W of Hale, Missouri M2.5 123 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

483 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 23 fatalities, 218 injuries.

Date Rating Distance Fatalities
May 21, 2024 EF4 90 km 5
Mar 5, 2022 EF4 72 km 6
May 29, 2004 EF4 87 km 3
Apr 8, 1999 EF4 56 km 0
Apr 8, 1999 EF4 86 km 0
May 27, 1995 EF4 65 km 0
May 24, 1989 EF4 78 km 0
Jun 7, 1984 EF4 24 km 3
Jun 2, 1980 EF4 1 km 0
Apr 21, 1973 EF4 46 km 0
May 20, 1959 EF4 66 km 0
May 10, 1953 EF4 58 km 0
Mar 5, 2022 EF3 58 km 1
Aug 20, 2019 EF3 79 km 0
Jun 22, 2015 EF3 92 km 0
Apr 11, 2001 EF3 46 km 0
Apr 8, 1999 EF3 61 km 0
May 27, 1995 EF3 8 km 0
Apr 14, 1994 EF3 97 km 0
Jun 7, 1984 EF3 94 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 24°F (-4°C) 1.0 in Coldest, Driest
February 29°F (-2°C) 1.4 in
March 41°F (5°C) 2.2 in
April 52°F (11°C) 4.3 in
May 62°F (17°C) 5.1 in Wettest
June 72°F (22°C) 4.8 in
July 76°F (24°C) 4.1 in Warmest
August 74°F (23°C) 4.4 in
September 66°F (19°C) 3.7 in
October 54°F (12°C) 2.8 in
November 40°F (5°C) 2.1 in
December 29°F (-2°C) 1.5 in

Lamoni has a seasonal temperature swing of 52°F / from 24°F in January to 76°F in July. Total annual precipitation is 37.4 inches, with May being the wettest month (5.1") and January the driest (1.0").

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