Sign In Register

Colwell, IA

Full City Profile · Iowa · Floyd County County

2.7 /5.0
C+ Fair
56 Population 329/sq mi density
$46,250 Median Income $76,713 per capita
$103,100 Home Value $135,898 Zillow
47°F Avg Temperature 260 sunny days/yr
254 Violent Crime/100K 1,521 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$46,250 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$103,100 home value, /mo rent
F
Safety
1.0 / 5.0
254 violent crimes/100K
D
Education
1.9 / 5.0
11.4% bachelor's degree or higher
Colwell experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 17°F in January while summers reach 72°F in July. The area gets 260 sunny days per year. Annual precipitation totals 37.7 inches. The area receives 37.5 inches of snow annually. Air quality is rated Good with a median AQI of 43.

Temperature

17°F Jan (-9°C) 72°F Jul (22°C)
Annual Average46.5°F
14% below US avg
January Average17°F (-9°C)
July Average72°F (22°C)
Sunny Days260 days/yr

Geography

Elevation1,147 ft (350 m)
Area0.2 sq mi (0.5 km²)
Population Density329/sq mi
Coordinates43.1572°N, 92.5916°W
TimezoneAmerica/Chicago
CountyFloyd County County
Nearest AirportNortheast Iowa Regional (CCY)
6 miles away

Precipitation & Snow

Annual Rainfall 37.7"
1% below US avg
Snowfall 37.5"
Wettest Month (Jun) 4.76"
Driest Month (Feb) 0.87"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score47.7 / 100
Social Vulnerability46.0 / 100
Community Resilience83.1 / 100

Hazard Breakdown

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

Tornado History

592 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 54 fatalities, 1,198 injuries.

Date Rating Distance Fatalities
May 25, 2008 EF5 72 km 9
May 15, 1968 EF5 61 km 13
May 15, 1968 EF5 76 km 5
Oct 14, 1966 EF5 95 km 6
Jun 17, 2010 EF4 97 km 1
Jul 12, 1971 EF4 14 km 0
Apr 30, 1967 EF4 50 km 0
Apr 30, 1967 EF4 57 km 0
Apr 30, 1967 EF4 82 km 5
May 5, 1965 EF4 23 km 0
Sep 16, 1962 EF4 91 km 0
Sep 1, 1961 EF4 54 km 0
May 10, 1953 EF4 76 km 0
May 10, 1953 EF4 36 km 2
Jun 12, 2013 EF3 94 km 0
Jun 17, 2010 EF3 85 km 0
Jun 17, 2010 EF3 89 km 0
Jun 17, 2010 EF3 90 km 0
May 25, 2008 EF3 78 km 0
Jun 11, 2004 EF3 27 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 17°F (-9°C) 0.9 in Coldest
February 21°F (-6°C) 0.9 in Driest
March 33°F (1°C) 2.1 in
April 47°F (8°C) 3.4 in
May 59°F (15°C) 4.2 in
June 69°F (20°C) 4.8 in Wettest
July 72°F (22°C) 4.5 in Warmest
August 70°F (21°C) 4.5 in
September 61°F (16°C) 3.6 in
October 50°F (10°C) 2.6 in
November 34°F (1°C) 2.1 in
December 20°F (-7°C) 1.2 in

Colwell has a seasonal temperature swing of 55°F / from 17°F in January to 72°F in July. Total annual precipitation is 34.7 inches, with June being the wettest month (4.8") and February the driest (0.9").

View full weather details →