Bradley, SD

Full City Profile · South Dakota · Day County County

3.4 /5.0
B Good
104 Population 416/sq mi density
$60,833 Median Income $25,895 per capita
$105,800 Home Value $185,536 Zillow
43°F Avg Temperature
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.0 / 5.0
$60,833 median income, 10.0% unemployment
A+
Affordability
5.0 / 5.0
$105,800 home value, /mo rent
C
Education
2.2 / 5.0
15.1% bachelor's degree or higher
Bradley 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 23.8 inches. The area receives 41.8 inches of snow annually.

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)

Geography

Elevation1,823 ft (556 m)
Area0.3 sq mi (0.6 km²)
Population Density416/sq mi
Coordinates45.0904°N, 97.6419°W
TimezoneAmerica/Chicago
CountyDay County County
Nearest AirportWatertown Regional (ATY)
27 miles away

Precipitation & Snow

Annual Rainfall 23.8"
37% below US avg
Snowfall 41.8"
Wettest Month (Jun) 3.62"
Driest Month (Feb) 0.55"

Air Quality

Natural Hazard Risk

Overall RiskVery Low
Risk Score27.6 / 100
Social Vulnerability74.7 / 100
Community Resilience84.5 / 100

Hazard Breakdown

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

Earthquake History

3 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.1. Most recent: M3.1 on Jul 26, 2002.

Jun 5, 1993 11 km N of Johnson, Minnesota M4.1 124 km
Oct 20, 1995 8 km SSE of New Effington, South Dakota M3.7 99 km
Jul 26, 2002 0 km WSW of Huron, South Dakota M3.1 93 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

428 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 5 fatalities, 61 injuries.

Date Rating Distance Fatalities
Jun 24, 2003 EF4 91 km 0
Jun 23, 2002 EF4 90 km 0
May 30, 2022 EF3 72 km 0
Jun 24, 2003 EF3 86 km 0
May 31, 1996 EF3 78 km 0
May 17, 1996 EF3 84 km 0
Jun 7, 1993 EF3 91 km 0
Jun 16, 1992 EF3 90 km 0
May 12, 1984 EF3 24 km 0
Jul 18, 1983 EF3 43 km 0
Jul 1, 1973 EF3 70 km 1
Jun 25, 1969 EF3 53 km 0
Jun 21, 1961 EF3 62 km 1
May 30, 2022 EF2 79 km 0
May 12, 2022 EF2 86 km 0
May 12, 2022 EF2 100 km 0
May 12, 2022 EF2 64 km 0
Aug 24, 2006 EF2 95 km 0
Jun 29, 2005 EF2 96 km 0
Sep 23, 2004 EF2 98 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

10 wildfires (100+ acres) within 100 km. Largest: DANIELSON (1,682 ac, 2003).

Year Name Acres Distance
2003 DANIELSON 1,682 97 km
2004 TACOMA PARK PLACE 1,336 68 km
2016 SLR 2016 RX MICHELL 1,242 99 km
2000 PHEASANT OPENER 1,206 32 km
2009 TAHOHPI WUI RX 1,166 99 km
1992 SPRING LK 1,001 45 km
2006 MOSQUITO RANCH 656 93 km
2003 LEE 560 100 km
1997 ROBIN HOOD 542 94 km
1993 LEE 516 100 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 12°F (-11°C) 0.7 in Coldest
February 17°F (-9°C) 0.6 in Driest
March 29°F (-2°C) 1.1 in
April 42°F (6°C) 2.0 in
May 56°F (13°C) 2.9 in
June 66°F (19°C) 3.6 in Wettest
July 71°F (22°C) 3.3 in Warmest
August 69°F (21°C) 3.0 in
September 60°F (16°C) 2.5 in
October 46°F (8°C) 2.4 in
November 31°F (-1°C) 0.9 in
December 18°F (-8°C) 0.8 in

Bradley has a seasonal temperature swing of 59°F / from 12°F in January to 71°F in July. Total annual precipitation is 23.8 inches, with June being the wettest month (3.6") and February the driest (0.6").

View full weather details →