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Cavour, SD

Full City Profile · South Dakota · Beadle County County

3.0 /5.0
B Good
187 Population 456/sq mi density
$86,500 Median Income $23,705 per capita
$86,100 Home Value $169,362 Zillow
46°F Avg Temperature 276 sunny days/yr
386 Violent Crime/100K 2,427 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$86,500 median income, 1.7% unemployment
A+
Affordability
5.0 / 5.0
$86,100 home value, /mo rent
F
Safety
1.0 / 5.0
386 violent crimes/100K (1% above avg)
F
Education
1.4 / 5.0
4.8% bachelor's degree or higher
Cavour experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 16°F in January while summers reach 74°F in July. The area gets 276 sunny days per year. Annual precipitation totals 23.3 inches. The area receives 44.4 inches of snow annually. Air quality is rated Good with a median AQI of 35.

Temperature

16°F Jan (-9°C) 74°F Jul (23°C)
Annual Average45.9°F
15% below US avg
January Average16°F (-9°C)
July Average74°F (23°C)
Sunny Days276 days/yr

Geography

Elevation1,302 ft (397 m)
Area0.4 sq mi (1.1 km²)
Population Density456/sq mi
Coordinates44.3693°N, 98.0421°W
TimezoneAmerica/Chicago
CountyBeadle County County
Nearest AirportHuron Regional (HON)
9 miles away

Precipitation & Snow

Annual Rainfall 23.3"
39% below US avg
Snowfall 44.4"
Wettest Month (Jun) 3.35"
Driest Month (Jan) 0.43"

Air Quality

AQI Median35.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score47.1 / 100
Social Vulnerability26.8 / 100
Community Resilience51.4 / 100

Hazard Breakdown

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

Earthquake History

6 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.6. Most recent: M2.5 on Jan 16, 2022.

Oct 25, 1990 8 km N of Plankinton, South Dakota M3.6 73 km
Jul 26, 2002 0 km WSW of Huron, South Dakota M3.1 14 km
Jan 4, 2021 5 km N of Tyndall, South Dakota M3.1 148 km
Feb 7, 2014 11 km NE of Bijou Hills, South Dakota M3.0 119 km
Jul 3, 1995 9 km SSW of Fort Thompson, South Dakota M2.8 123 km
Jan 16, 2022 9 km NE of Plankinton, South Dakota M2.5 73 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

437 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 8 fatalities, 235 injuries.

Date Rating Distance Fatalities
Jun 18, 2014 EF4 47 km 0
Jun 24, 2003 EF4 24 km 0
May 30, 1998 EF4 75 km 6
Jun 7, 1993 EF4 82 km 0
May 5, 2007 EF3 82 km 0
Aug 24, 2006 EF3 59 km 0
Jun 24, 2003 EF3 1 km 0
Jun 24, 2003 EF3 47 km 0
Jun 7, 1993 EF3 95 km 0
Jun 7, 1993 EF3 88 km 0
Jun 7, 1993 EF3 55 km 0
Jun 16, 1992 EF3 52 km 0
Jun 16, 1992 EF3 69 km 0
May 12, 1984 EF3 62 km 0
Jul 18, 1983 EF3 91 km 0
Jul 3, 1971 EF3 95 km 0
Jun 15, 1970 EF3 90 km 0
Jun 20, 1968 EF3 77 km 0
May 21, 1962 EF3 72 km 0
May 12, 2022 EF2 89 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

2 wildfires (100+ acres) within 100 km. Largest: GANN VALLEY (2,534 ac, 2000).

Year Name Acres Distance
2000 GANN VALLEY 2,534 72 km
2009 TAHOHPI WUI RX 1,166 28 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 16°F (-9°C) 0.4 in Coldest, Driest
February 21°F (-6°C) 0.6 in
March 32°F (0°C) 1.5 in
April 47°F (8°C) 2.2 in
May 59°F (15°C) 3.0 in
June 68°F (20°C) 3.4 in Wettest
July 74°F (23°C) 2.8 in Warmest
August 72°F (22°C) 2.1 in
September 62°F (17°C) 1.8 in
October 48°F (9°C) 1.6 in
November 31°F (-0°C) 0.9 in
December 18°F (-8°C) 0.4 in

Cavour has a seasonal temperature swing of 58°F / from 16°F in January to 74°F in July. Total annual precipitation is 20.7 inches, with June being the wettest month (3.4") and January the driest (0.4").

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