Oakville, IA

Full City Profile · Iowa · Louisa County County

3.0 /5.0
B Good
168 Population 400/sq mi density
$53,750 Median Income $25,897 per capita
$76,700 Home Value $185,553 Zillow
$900 Median Rent 18.0% income on rent
51°F Avg Temperature
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$53,750 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$76,700 home value, $900/mo rent
F
Education
1.2 / 5.0
2.4% bachelor's degree or higher
Oakville experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 23°F in January while summers reach 76°F in July. Annual precipitation totals 37.3 inches. The area receives 20.4 inches of snow annually.

Temperature

23°F Jan (-5°C) 76°F Jul (24°C)
Annual Average51.2°F
5% below US avg
January Average23°F (-5°C)
July Average76°F (24°C)

Geography

Elevation542 ft (165 m)
Area0.4 sq mi (1.1 km²)
Population Density400/sq mi
Coordinates41.0980°N, 91.0438°W
TimezoneAmerica/Chicago
CountyLouisa County County
Nearest AirportSoutheast Iowa Regional (BRL)
22 miles away

Precipitation & Snow

Annual Rainfall 37.3"
2% below US avg
Snowfall 20.4"
Wettest Month (May) 4.82"
Driest Month (Jan) 1.55"

Air Quality

Natural Hazard Risk

Overall RiskVery Low
Risk Score17.5 / 100
Social Vulnerability13.6 / 100
Community Resilience58.2 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane Very Low
Earthquake Very Low
Wildfire Very Low
Flood Very Low
Hail Relatively Low
Strong Wind Relatively Moderate
Heat Wave Relatively Low
Winter Weather Very Low
Lightning Relatively Low
Ice Storm Relatively Low
Drought Relatively Moderate
Cold Wave Very Low
Landslide Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Tornado History

622 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 12 fatalities, 344 injuries.

Date Rating Distance Fatalities
Mar 31, 2023 EF4 86 km 0
May 13, 1995 EF4 62 km 0
Apr 11, 1965 EF4 84 km 1
May 27, 2019 EF3 94 km 0
Jun 1, 2007 EF3 23 km 0
Apr 8, 1999 EF3 90 km 0
May 15, 1998 EF3 61 km 0
May 9, 1995 EF3 56 km 0
Mar 13, 1990 EF3 85 km 0
May 8, 1988 EF3 76 km 0
Aug 15, 1978 EF3 29 km 0
Jul 23, 1975 EF3 93 km 2
Jul 23, 1975 EF3 86 km 0
Jun 13, 1975 EF3 81 km 0
Jun 14, 1974 EF3 44 km 0
May 13, 1974 EF3 69 km 0
Apr 13, 1974 EF3 99 km 0
Sep 30, 1973 EF3 97 km 0
May 1, 1973 EF3 95 km 2
Apr 21, 1967 EF3 75 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

5 wildfires (100+ acres) within 100 km. Largest: UNIT 3 (1,206 ac, 1999).

Year Name Acres Distance
1999 UNIT 3 1,206 4 km
2002 HSB 03 2 1,130 5 km
2000 DESTRUST A 756 5 km
2006 HSB 003 674 4 km
2004 HSB 009 608 5 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 23°F (-5°C) 1.6 in Coldest, Driest
February 28°F (-3°C) 1.9 in
March 39°F (4°C) 2.4 in
April 51°F (11°C) 3.8 in
May 62°F (17°C) 4.8 in Wettest
June 72°F (22°C) 4.8 in
July 76°F (24°C) 3.5 in Warmest
August 73°F (23°C) 3.5 in
September 66°F (19°C) 3.8 in
October 54°F (12°C) 2.8 in
November 41°F (5°C) 2.2 in
December 29°F (-1°C) 2.0 in

Oakville has a seasonal temperature swing of 52°F / from 23°F in January to 76°F in July. Total annual precipitation is 37.3 inches, with May being the wettest month (4.8") and January the driest (1.6").

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