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Vienna, SD

Full City Profile · South Dakota · Clark County County

2.6 /5.0
C+ Fair
44 Population 52/sq mi density
$34,583 Median Income $17,225 per capita
$67,500 Home Value $248,681 Zillow
43°F Avg Temperature 276 sunny days/yr
262 Violent Crime/100K 2,215 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$34,583 median income, 8.3% unemployment
A+
Affordability
5.0 / 5.0
$67,500 home value, /mo rent
F
Safety
1.0 / 5.0
262 violent crimes/100K
D
Education
1.5 / 5.0
6.5% bachelor's degree or higher
Vienna has a cool climate with an average annual temperature of 43°F (6°C). Winters average 12°F in January while summers reach 71°F in July. The area gets 276 sunny days per year. Annual precipitation totals 24.4 inches. Air quality is rated Good with a median AQI of 35.

Temperature

12°F Jan (-11°C) 71°F Jul (22°C)
Annual Average43.1°F
20% below US avg
January Average12°F (-11°C)
July Average71°F (22°C)
Sunny Days276 days/yr

Geography

Elevation1,837 ft (560 m)
Area0.8 sq mi (2.2 km²)
Population Density52/sq mi
Coordinates44.7032°N, 97.5000°W
TimezoneAmerica/Chicago
CountyClark County County
Nearest AirportWatertown Regional (ATY)
22 miles away

Precipitation & Snow

Annual Rainfall 24.4"
36% below US avg
Wettest Month (Jun) 3.74"
Driest Month (Dec) 0.47"

Air Quality

AQI Median35.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score4.6 / 100
Social Vulnerability10.6 / 100
Community Resilience61.2 / 100

Hazard Breakdown

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

Earthquake History

5 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.1. Most recent: M2.5 on Jan 16, 2022.

Jun 5, 1993 11 km N of Johnson, Minnesota M4.1 144 km
Oct 20, 1995 8 km SSE of New Effington, South Dakota M3.7 131 km
Oct 25, 1990 8 km N of Plankinton, South Dakota M3.6 127 km
Jul 26, 2002 0 km WSW of Huron, South Dakota M3.1 69 km
Jan 16, 2022 9 km NE of Plankinton, South Dakota M2.5 126 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

450 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 3 fatalities, 47 injuries.

Date Rating Distance Fatalities
Jun 24, 2003 EF4 52 km 0
Jun 7, 1993 EF4 93 km 0
May 30, 2022 EF3 54 km 0
Jun 24, 2003 EF3 56 km 0
May 17, 1996 EF3 90 km 0
Jun 7, 1993 EF3 89 km 0
Jun 7, 1993 EF3 89 km 0
Jun 16, 1992 EF3 47 km 0
Jun 16, 1992 EF3 69 km 0
May 12, 1984 EF3 27 km 0
Jul 18, 1983 EF3 34 km 0
Jul 1, 1973 EF3 99 km 1
Jun 15, 1970 EF3 75 km 0
Jun 25, 1969 EF3 95 km 0
May 30, 2022 EF2 54 km 0
May 12, 2022 EF2 83 km 0
May 12, 2022 EF2 37 km 0
May 12, 2022 EF2 54 km 0
May 5, 2007 EF2 71 km 0
Aug 24, 2006 EF2 68 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

3 wildfires (100+ acres) within 100 km. Largest: PHEASANT OPENER (1,206 ac, 2000).

Year Name Acres Distance
2000 PHEASANT OPENER 1,206 75 km
2009 TAHOHPI WUI RX 1,166 79 km
1992 SPRING LK 1,001 81 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 12°F (-11°C) 0.6 in Coldest
February 18°F (-8°C) 0.6 in
March 30°F (-1°C) 1.4 in
April 44°F (7°C) 2.1 in
May 58°F (14°C) 3.0 in
June 67°F (19°C) 3.7 in Wettest
July 71°F (22°C) 3.1 in Warmest
August 70°F (21°C) 2.6 in
September 60°F (15°C) 2.0 in
October 47°F (8°C) 1.7 in
November 29°F (-2°C) 0.9 in
December 16°F (-9°C) 0.5 in Driest

Vienna has a seasonal temperature swing of 59°F / from 12°F in January to 71°F in July. Total annual precipitation is 22.3 inches, with June being the wettest month (3.7") and December the driest (0.5").

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