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Otranto, IA

Full City Profile · Iowa · Mitchell County County

2.1 /5.0
C Fair
34 Population 83/sq mi density
45°F Avg Temperature 260 sunny days/yr
55 Violent Crime/100K 1,127 property/100K
C
Overall
2.1 / 5.0
Fair overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
55 violent crimes/100K
B
Education
3.1 / 5.0
26.5% bachelor's degree or higher
Otranto has a cool climate with an average annual temperature of 45°F (7°C). Winters average 15°F in January while summers reach 72°F in July. The area gets 260 sunny days per year. Annual precipitation totals 37.6 inches. The area receives 39.6 inches of snow annually. Air quality is rated Good with a median AQI of 43.

Temperature

15°F Jan (-10°C) 72°F Jul (22°C)
Annual Average45.3°F
16% below US avg
January Average15°F (-10°C)
July Average72°F (22°C)
Sunny Days260 days/yr

Geography

Elevation1,168 ft (356 m)
Area0.4 sq mi (1.1 km²)
Population Density83/sq mi
Coordinates43.4609°N, 92.9863°W
TimezoneAmerica/Chicago
CountyMitchell County County
Nearest AirportNortheast Iowa Regional (CCY)
33 miles away

Precipitation & Snow

Annual Rainfall 37.6"
1% below US avg
Snowfall 39.6"
Wettest Month (Jul) 4.33"
Driest Month (Feb) 0.79"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score37.7 / 100
Social Vulnerability17.5 / 100
Community Resilience85.9 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane No Rating
Earthquake Very Low
Wildfire Very Low
Flood Relatively Low
Hail Relatively Low
Strong Wind Relatively High
Heat Wave Very Low
Winter Weather Relatively Low
Lightning Very Low
Ice Storm Very Low
Drought Relatively Moderate
Cold Wave Relatively Low
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

1 earthquake (M2.5+) within 150 km since 1990. Strongest: M2.8. Most recent: M2.8 on Apr 25, 2017.

Apr 25, 2017 Near Mankato, Minnesota M2.8 115 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

592 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 41 fatalities, 910 injuries.

Date Rating Distance Fatalities
May 15, 1968 EF5 78 km 13
Oct 14, 1966 EF5 91 km 6
Jun 17, 2010 EF4 54 km 1
Jul 12, 1971 EF4 50 km 0
Apr 30, 1967 EF4 38 km 5
Apr 30, 1967 EF4 15 km 0
Apr 30, 1967 EF4 23 km 0
Apr 30, 1967 EF4 57 km 6
May 5, 1965 EF4 24 km 0
Sep 16, 1962 EF4 71 km 0
Sep 1, 1961 EF4 76 km 0
May 10, 1953 EF4 61 km 0
May 10, 1953 EF4 47 km 2
Jun 12, 2013 EF3 86 km 0
Jun 17, 2010 EF3 46 km 0
Jun 17, 2010 EF3 39 km 0
Jun 17, 2010 EF3 44 km 0
Jun 11, 2004 EF3 36 km 0
Jul 19, 1994 EF3 62 km 0
Jun 18, 1994 EF3 65 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

1 wildfire (100+ acres) within 100 km. Largest: SNAKE TRAIL (1,496 ac, 2024).

Year Name Acres Distance
2024 SNAKE TRAIL 1,496 81 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 15°F (-10°C) 0.9 in Coldest
February 20°F (-7°C) 0.8 in Driest
March 32°F (0°C) 1.9 in
April 46°F (8°C) 3.1 in
May 59°F (15°C) 3.8 in
June 68°F (20°C) 4.3 in
July 72°F (22°C) 4.3 in Warmest, Wettest
August 69°F (21°C) 4.3 in
September 61°F (16°C) 3.9 in
October 49°F (9°C) 2.4 in
November 33°F (0°C) 1.7 in
December 19°F (-7°C) 1.2 in

Otranto has a seasonal temperature swing of 57°F / from 15°F in January to 72°F in July. Total annual precipitation is 32.6 inches, with July being the wettest month (4.3") and February the driest (0.8").

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