Brentford, SD

Full City Profile · South Dakota · Brown County County

3.1 /5.0
B Good
84 Population 525/sq mi density
44°F Avg Temperature
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B
Education
3.1 / 5.0
25.8% bachelor's degree or higher
Brentford has a cool climate with an average annual temperature of 44°F (7°C). Winters average 12°F in January while summers reach 72°F in July. Annual precipitation totals 22.4 inches. The area receives 34.1 inches of snow annually. Air quality is rated Good with a median AQI of 24.

Temperature

12°F Jan (-11°C) 72°F Jul (22°C)
Annual Average43.6°F
19% below US avg
January Average12°F (-11°C)
July Average72°F (22°C)

Geography

Elevation1,299 ft (396 m)
Area0.2 sq mi (0.4 km²)
Population Density525/sq mi
Coordinates45.1592°N, 98.3226°W
TimezoneAmerica/Chicago
CountyBrown County County
Nearest AirportAberdeen Regional (ABR)
20 miles away

Precipitation & Snow

Annual Rainfall 22.4"
41% below US avg
Snowfall 34.1"
Wettest Month (Jun) 3.63"
Driest Month (Jan) 0.38"

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 M3.7 134 km
Jul 26, 2002 0 km WSW of Huron, South Dakota M3.1 89 km
Aug 15, 2017 8 km E of Agar, South Dakota M3.0 134 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

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

Date Rating Distance Fatalities
Jun 23, 2002 EF4 59 km 0
Aug 24, 2006 EF3 89 km 0
Jun 24, 2003 EF3 91 km 0
Jun 23, 2002 EF3 68 km 0
May 31, 1996 EF3 37 km 0
Jun 7, 1993 EF3 61 km 0
May 12, 1984 EF3 56 km 0
Jul 18, 1983 EF3 95 km 0
Jul 1, 1973 EF3 17 km 1
Jun 25, 1969 EF3 38 km 0
May 20, 1965 EF3 86 km 0
Jun 21, 1961 EF3 35 km 1
Jun 9, 1957 EF3 65 km 0
Aug 30, 2020 EF2 72 km 1
Jul 4, 2020 EF2 68 km 0
May 22, 2010 EF2 78 km 0
May 22, 2010 EF2 68 km 0
Aug 24, 2006 EF2 92 km 0
Aug 24, 2006 EF2 94 km 0
Jun 24, 2003 EF2 98 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

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

Year Name Acres Distance
2022 ROHRBACH 2,887 92 km
2004 TACOMA PARK PLACE 1,336 41 km
2016 SLR 2016 RX MICHELL 1,242 82 km
2000 PHEASANT OPENER 1,206 39 km
2009 TAHOHPI WUI RX 1,166 87 km
1992 SPRING LK 1,001 84 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 12°F (-11°C) 0.4 in Coldest, Driest
February 17°F (-9°C) 0.5 in
March 29°F (-1°C) 0.9 in
April 43°F (6°C) 2.1 in
May 56°F (14°C) 3.5 in
June 67°F (19°C) 3.6 in Wettest
July 72°F (22°C) 3.6 in Warmest
August 70°F (21°C) 2.1 in
September 61°F (16°C) 2.1 in
October 47°F (8°C) 2.3 in
November 31°F (-0°C) 0.8 in
December 18°F (-8°C) 0.5 in

Brentford has a seasonal temperature swing of 60°F / from 12°F in January to 72°F in July. Total annual precipitation is 22.4 inches, with June being the wettest month (3.6") and January the driest (0.4").

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