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Ossian, IA

Full City Profile · Iowa · Winneshiek County County

3.2 /5.0
B Good
833 Population 779/sq mi density
$58,929 Median Income $35,989 per capita
$152,700 Home Value $264,067 Zillow
$707 Median Rent 26.6% income on rent
49°F Avg Temperature 260 sunny days/yr
12 Violent Crime/100K 1,201 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$58,929 median income, 2.4% unemployment
A+
Affordability
5.0 / 5.0
$152,700 home value, $707/mo rent
F
Safety
1.4 / 5.0
12 violent crimes/100K
C
Education
2.4 / 5.0
18.0% bachelor's degree or higher
Ossian experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 19°F in January while summers reach 74°F in July. The area gets 260 sunny days per year. Annual precipitation totals 37.6 inches. The area receives 37.5 inches of snow annually. Air quality is rated Good with a median AQI of 43.

Temperature

19°F Jan (-7°C) 74°F Jul (23°C)
Annual Average48.5°F
10% below US avg
January Average19°F (-7°C)
July Average74°F (23°C)
Sunny Days260 days/yr

Geography

Elevation1,261 ft (384 m)
Area1.1 sq mi (2.7 km²)
Population Density779/sq mi
Coordinates43.1470°N, 91.7646°W
TimezoneAmerica/Chicago
CountyWinneshiek County County
Nearest AirportNortheast Iowa Regional (CCY)
43 miles away

Precipitation & Snow

Annual Rainfall 37.6"
1% below US avg
Snowfall 37.5"
Wettest Month (Aug) 4.41"
Driest Month (Jan) 0.94"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score36.2 / 100
Social Vulnerability12.2 / 100
Community Resilience91.6 / 100

Hazard Breakdown

Tornado Relatively Low
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 Low
Lightning Very Low
Ice Storm Relatively Low
Drought Relatively Moderate
Cold Wave Relatively Low
Landslide Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Tornado History

465 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 11 fatalities, 375 injuries.

Date Rating Distance Fatalities
May 15, 1968 EF5 55 km 5
Aug 12, 1974 EF4 92 km 0
Jul 12, 1971 EF4 56 km 0
May 5, 1965 EF4 87 km 0
May 10, 1953 EF4 62 km 2
Aug 7, 2021 EF3 85 km 0
May 25, 2008 EF3 64 km 0
Jun 11, 2004 EF3 70 km 0
May 11, 2000 EF3 89 km 1
Jul 27, 1995 EF3 61 km 0
Jul 19, 1994 EF3 43 km 0
Jun 19, 1993 EF3 83 km 0
May 30, 1985 EF3 38 km 2
Jun 5, 1980 EF3 73 km 0
Jul 12, 1971 EF3 96 km 0
Jun 24, 1971 EF3 10 km 1
May 5, 1965 EF3 44 km 0
Sep 3, 1964 EF3 92 km 0
May 7, 1964 EF3 62 km 0
May 26, 1959 EF3 99 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 19°F (-7°C) 0.9 in Coldest, Driest
February 21°F (-6°C) 1.0 in
March 33°F (1°C) 2.1 in
April 47°F (8°C) 3.4 in
May 59°F (15°C) 4.0 in
June 68°F (20°C) 4.4 in
July 74°F (23°C) 4.1 in Warmest
August 69°F (21°C) 4.4 in Wettest
September 61°F (16°C) 3.7 in
October 49°F (10°C) 2.5 in
November 34°F (1°C) 2.0 in
December 20°F (-7°C) 1.3 in

Ossian has a seasonal temperature swing of 55°F / from 19°F in January to 74°F in July. Total annual precipitation is 33.8 inches, with August being the wettest month (4.4") and January the driest (0.9").

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