Mayfield Colony, SD

Full City Profile · South Dakota · Clark County County

5.0 /5.0
A+ Excellent
84 Population 323/sq mi density
43°F Avg Temperature
A+
Overall
5.0 / 5.0
Strong
A+
Education
5.0 / 5.0
100.0% bachelor's degree or higher
Mayfield Colony 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 26.5 inches. The area receives 47.7 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

Elevation1,777 ft (542 m)
Area0.3 sq mi (0.7 km²)
Population Density323/sq mi
Coordinates44.6942°N, 97.5812°W
TimezoneAmerica/Chicago
CountyClark County County
Nearest AirportWatertown Regional (ATY)
26 miles away

Precipitation & Snow

Annual Rainfall 26.5"
30% below US avg
Snowfall 47.7"
Wettest Month (Jun) 4.42"
Driest Month (Feb) 0.67"

Air Quality

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 M4.1 149 km
Oct 20, 1995 8 km SSE of New Effington, South Dakota M3.7 134 km
Oct 25, 1990 8 km N of Plankinton, South Dakota M3.6 123 km
Jul 26, 2002 0 km WSW of Huron, South Dakota M3.1 63 km
Jan 16, 2022 9 km NE of Plankinton, South Dakota M2.5 122 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

455 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 3 fatalities, 51 injuries.

Date Rating Distance Fatalities
Jun 18, 2014 EF4 98 km 0
Jun 24, 2003 EF4 48 km 0
Jun 7, 1993 EF4 94 km 0
May 30, 2022 EF3 61 km 0
Aug 24, 2006 EF3 99 km 0
Jun 24, 2003 EF3 98 km 0
Jun 24, 2003 EF3 51 km 0
May 17, 1996 EF3 96 km 0
Jun 7, 1993 EF3 91 km 0
Jun 7, 1993 EF3 82 km 0
Jun 16, 1992 EF3 68 km 0
Jun 16, 1992 EF3 50 km 0
May 12, 1984 EF3 24 km 0
Jul 18, 1983 EF3 40 km 0
Jul 1, 1973 EF3 95 km 1
Jun 15, 1970 EF3 79 km 0
Jun 25, 1969 EF3 93 km 0
May 30, 2022 EF2 60 km 0
May 12, 2022 EF2 60 km 0
May 12, 2022 EF2 44 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 74 km
2009 TAHOHPI WUI RX 1,166 73 km
1992 SPRING LK 1,001 83 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) 0.7 in Driest
March 29°F (-2°C) 1.2 in
April 42°F (6°C) 2.4 in
May 56°F (13°C) 3.3 in
June 66°F (19°C) 4.4 in Wettest
July 71°F (22°C) 3.5 in Warmest
August 69°F (21°C) 3.3 in
September 60°F (16°C) 3.0 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

Mayfield Colony has a seasonal temperature swing of 59°F / from 12°F in January to 71°F in July. Total annual precipitation is 26.5 inches, with June being the wettest month (4.4") and February the driest (0.7").

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