Mansfield, SD

Full City Profile · South Dakota · Brown County County

5.0 /5.0
A+ Excellent
29 Population 12/sq mi density
$95,000 Home Value $270,338 Zillow
43°F Avg Temperature
A+
Overall
5.0 / 5.0
Strong
A+
Education
5.0 / 5.0
0.0% bachelor's degree or higher
Mansfield 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. Annual precipitation totals 23.0 inches. The area receives 43.4 inches of snow annually. Air quality is rated Good with a median AQI of 24.

Temperature

12°F Jan (-11°C) 71°F Jul (22°C)
Annual Average42.8°F
21% below US avg
January Average12°F (-11°C)
July Average71°F (22°C)

Geography

Elevation1,285 ft (392 m)
Area2.4 sq mi (6.2 km²)
Population Density12/sq mi
Coordinates45.2465°N, 98.5582°W
TimezoneAmerica/Chicago
CountyBrown County County
Nearest AirportAberdeen Regional (ABR)
15 miles away

Precipitation & Snow

Annual Rainfall 23.0"
39% below US avg
Snowfall 43.4"
Wettest Month (Jul) 3.51"
Driest Month (Jan) 0.57"

Air Quality

AQI Median24.0
RatingGood
Good Days %85.7%
Unhealthy Days4

Air Pollutants (EPA 2023)

PM2.5 (Fine Particles)7.1 μg/m³

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score73.5 / 100
Social Vulnerability24.1 / 100
Community Resilience85.6 / 100

Hazard Breakdown

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

Earthquake History

3 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.7. Most recent: M3.0 on Aug 15, 2017.

Oct 20, 1995 8 km SSE of New Effington, South Dakota M3.7 145 km
Jul 26, 2002 0 km WSW of Huron, South Dakota M3.1 102 km
Aug 15, 2017 8 km E of Agar, South Dakota M3.0 119 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

359 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 5 fatalities, 54 injuries.

Date Rating Distance Fatalities
May 22, 2010 EF4 96 km 0
Jun 23, 2002 EF4 49 km 0
Aug 24, 2006 EF3 99 km 0
Aug 24, 2006 EF3 93 km 0
Jun 23, 2002 EF3 54 km 0
May 31, 1996 EF3 26 km 0
Jun 7, 1993 EF3 67 km 0
May 12, 1984 EF3 77 km 0
Jul 1, 1973 EF3 5 km 1
Jun 25, 1969 EF3 44 km 0
May 20, 1965 EF3 75 km 0
Jun 21, 1961 EF3 36 km 1
Jun 9, 1957 EF3 51 km 0
Aug 30, 2020 EF2 69 km 1
Jul 4, 2020 EF2 51 km 0
May 22, 2010 EF2 71 km 0
May 22, 2010 EF2 48 km 0
Aug 24, 2006 EF2 90 km 0
Jul 18, 2001 EF2 87 km 0
Jul 27, 1999 EF2 82 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

7 wildfires (100+ acres) within 100 km. Largest: ROHRBACH (2,887 ac, 2022).

Year Name Acres Distance
2022 ROHRBACH 2,887 72 km
2004 TACOMA PARK PLACE 1,336 39 km
2016 SLR 2016 RX MICHELL 1,242 77 km
2000 PHEASANT OPENER 1,206 53 km
2005 N HYDE 1,204 91 km
2009 TAHOHPI WUI RX 1,166 97 km
1992 SPRING LK 1,001 99 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 12°F (-11°C) 0.6 in Coldest, Driest
February 16°F (-9°C) 0.7 in
March 29°F (-2°C) 0.9 in
April 43°F (6°C) 2.1 in
May 56°F (13°C) 3.3 in
June 66°F (19°C) 3.5 in
July 71°F (22°C) 3.5 in Warmest, Wettest
August 69°F (20°C) 2.5 in
September 60°F (15°C) 2.4 in
October 45°F (7°C) 2.1 in
November 30°F (-1°C) 0.7 in
December 18°F (-8°C) 0.7 in

Mansfield has a seasonal temperature swing of 60°F / from 12°F in January to 71°F in July. Total annual precipitation is 23.0 inches, with July being the wettest month (3.5") and January the driest (0.6").

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