Mansfield, SD

Full City Profile · South Dakota · Brown County County

3.0 /5.0

B Good

29 Population 12/sq mi density

$95,000 Home Value $270,338 Zillow

43°F Avg Temperature 276 sunny days/yr

282 Violent Crime/100K 1,976 property/100K

Overall

3.0 / 5.0

Good overall score based on economy, affordability, safety and education

Safety

1.0 / 5.0

282 violent crimes/100K

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. The area gets 276 sunny days per year. 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 35.

Temperature

12°F Jan (-11°C) 71°F Jul (22°C)

Annual Average	42.8°F
	21% below US avg
January Average	12°F (-11°C)
July Average	71°F (22°C)
Sunny Days	276 days/yr

Geography

Elevation	1,285 ft (392 m)
Area	2.4 sq mi (6.2 km²)
Population Density	12/sq mi
Coordinates	45.2465°N, 98.5582°W
Timezone	America/Chicago
County	Brown County County
Nearest Airport	Aberdeen Regional (ABR) 15 miles away

Precipitation & Snow

Annual Rainfall 23.0"

40% below US avg

Snowfall 43.4"

Wettest Month (Jun) 3.39"

Driest Month (Dec) 0.39"

Air Quality

AQI Median	35.0
Rating	Good

Air Pollutants (EPA 2023)

PM2.5 (Fine Particles)	7.1 μg/m³

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	73.5 / 100
Social Vulnerability	24.1 / 100
Community Resilience	85.6 / 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)	0.5 in	Coldest
February	18°F (-8°C)	0.5 in
March	30°F (-1°C)	1.3 in
April	45°F (7°C)	2.2 in
May	58°F (14°C)	2.8 in
June	67°F (19°C)	3.4 in	Wettest
July	71°F (22°C)	2.8 in	Warmest
August	70°F (21°C)	2.6 in
September	60°F (16°C)	1.9 in
October	47°F (8°C)	1.6 in
November	29°F (-1°C)	0.8 in
December	16°F (-9°C)	0.4 in	Driest

Mansfield has a seasonal temperature swing of 60°F / from 12°F in January to 71°F in July. Total annual precipitation is 20.8 inches, with June being the wettest month (3.4") and December the driest (0.4").

View full weather details →