Sign In Register

Patterson, IA

Full City Profile · Iowa · Warren County County

3.0 /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
50°F Avg Temperature 275 sunny days/yr
217 Violent Crime/100K 1,598 property/100K
B
Overall
3.0 / 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
F
Safety
1.0 / 5.0
217 violent crimes/100K
D
Education
1.7 / 5.0
8.5% bachelor's degree or higher
Patterson 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. The area gets 275 sunny days per year. Annual precipitation totals 37.8 inches. The area receives 30.8 inches of snow annually. Air quality is rated Good with a median AQI of 43.

Temperature

22°F Jan (-6°C) 75°F Jul (24°C)
Annual Average49.9°F
8% below US avg
January Average22°F (-6°C)
July Average75°F (24°C)
Sunny Days275 days/yr

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 37.8"
1% below US avg
Snowfall 30.8"
Wettest Month (Jun) 4.69"
Driest Month (Jan) 0.91"

Air Quality

AQI Median43.0
RatingGood

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 22°F (-6°C) 0.9 in Coldest, Driest
February 26°F (-3°C) 1.0 in
March 38°F (3°C) 2.2 in
April 50°F (10°C) 3.3 in
May 61°F (16°C) 4.1 in
June 71°F (21°C) 4.7 in Wettest
July 75°F (24°C) 3.9 in Warmest
August 73°F (23°C) 4.0 in
September 65°F (18°C) 3.8 in
October 53°F (11°C) 2.7 in
November 38°F (3°C) 1.9 in
December 25°F (-4°C) 1.1 in

Patterson has a seasonal temperature swing of 53°F / from 22°F in January to 75°F in July. Total annual precipitation is 33.6 inches, with June being the wettest month (4.7") and January the driest (0.9").

View full weather details →