Patterson, IA

Full City Profile · Iowa · Warren County County

3.7 /5.0
B+ Good
293 Population 651/sq mi density
$71,786 Median Income $32,806 per capita
$106,600 Home Value $283,261 Zillow
$700 Median Rent 23.1% income on rent
48°F Avg Temperature
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$71,786 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$106,600 home value, $700/mo rent
D
Education
1.7 / 5.0
8.5% bachelor's degree or higher
Patterson experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 20°F in January while summers reach 73°F in July. Annual precipitation totals 34.8 inches. The area receives 30.7 inches of snow annually.

Temperature

20°F Jan (-7°C) 73°F Jul (23°C)
Annual Average48.1°F
11% below US avg
January Average20°F (-7°C)
July Average73°F (23°C)

Geography

Elevation877 ft (267 m)
Area0.2 sq mi (0.5 km²)
Population Density651/sq mi
Coordinates41.3484°N, 93.8776°W
TimezoneAmerica/Chicago
CountyWarren County County
Nearest AirportDes Moines International (DSM)
14 miles away

Precipitation & Snow

Annual Rainfall 34.8"
8% below US avg
Snowfall 30.7"
Wettest Month (May) 4.99"
Driest Month (Jan) 0.78"

Air Quality

Natural Hazard Risk

Overall RiskVery Low
Risk Score36.1 / 100
Social Vulnerability10.6 / 100
Community Resilience91.3 / 100

Hazard Breakdown

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

Earthquake History

1 earthquake (M2.5+) within 150 km since 1990. Strongest: M3.1. Most recent: M3.1 on Feb 11, 1995.

Feb 11, 1995 6 km E of Clearmont, Missouri M3.1 130 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

670 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 20 fatalities, 346 injuries.

Date Rating Distance Fatalities
Jun 13, 1976 EF5 65 km 0
Jun 27, 1953 EF5 70 km 1
Mar 5, 2022 EF4 30 km 6
Apr 8, 1999 EF4 51 km 0
May 27, 1995 EF4 80 km 0
May 27, 1995 EF4 55 km 0
May 24, 1989 EF4 82 km 0
May 24, 1989 EF4 98 km 0
Sep 28, 1986 EF4 50 km 0
Jun 2, 1980 EF4 81 km 0
Jun 18, 1974 EF4 48 km 2
May 20, 1959 EF4 95 km 0
May 10, 1959 EF4 65 km 0
May 10, 1953 EF4 70 km 0
Mar 5, 2022 EF3 61 km 1
Aug 20, 2019 EF3 31 km 0
Jul 19, 2018 EF3 79 km 0
Jun 22, 2015 EF3 67 km 0
Nov 12, 2005 EF3 93 km 1
Apr 8, 1999 EF3 43 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

1 wildfire (100+ acres) within 100 km. Largest: NEAL SMITH WUI 2016 1 (1,050 ac, 2016).

Year Name Acres Distance
2016 NEAL SMITH WUI 2016 1 1,050 56 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 20°F (-7°C) 0.8 in Coldest, Driest
February 24°F (-4°C) 1.3 in
March 36°F (2°C) 2.1 in
April 48°F (9°C) 3.6 in
May 59°F (15°C) 5.0 in Wettest
June 69°F (21°C) 4.6 in
July 73°F (23°C) 4.1 in Warmest
August 71°F (22°C) 3.6 in
September 63°F (17°C) 3.6 in
October 51°F (10°C) 2.9 in
November 37°F (3°C) 2.0 in
December 26°F (-4°C) 1.2 in

Patterson has a seasonal temperature swing of 53°F / from 20°F in January to 73°F in July. Total annual precipitation is 34.8 inches, with May being the wettest month (5.0") and January the driest (0.8").

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