Weather & Climate in Plankinton, SD
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Plankinton experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 18°F in January while summers reach 74°F in July. Annual precipitation totals 23.9 inches (drier than the 38-inch national average). The area receives 37.7 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 1,520 feet.
Temperature
18°F Jan (-8°C)
74°F Jul (23°C)
| Annual Average | 46.1°F |
| 15% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 74°F (23°C) |
Geography
| Elevation | 1,520 ft (463 m) |
| Area | 0.8 sq mi (2.0 km²) |
| Population Density | 838/sq mi |
| Coordinates | 43.7154°N, 98.4836°W |
| Timezone | America/Chicago |
| County | Aurora County County |
| Nearest Airport | Mitchell Municipal (MHE) 23 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 19.6 / 100 |
| Social Vulnerability | 23.6 / 100 |
| Community Resilience | 60.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively 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 Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
13 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.
| Nov 3, 2002 | 16 km SSW of Butte, Nebraska | M4.3 | 111 km | 5 km |
| Jun 4, 2021 | 10 km NE of Anoka, Nebraska | M3.7 | 81 km | 5 km |
| Oct 25, 1990 | 8 km N of Plankinton, South Dakota | M3.6 | 9 km | 5 km |
| Jun 4, 2021 | 9 km ENE of Anoka, Nebraska | M3.1 | 82 km | 5 km |
| Jul 26, 2002 | 0 km WSW of Huron, South Dakota | M3.1 | 75 km | 5 km |
| Jan 4, 2021 | 5 km N of Tyndall, South Dakota | M3.1 | 90 km | 5 km |
| Feb 7, 2014 | 11 km NE of Bijou Hills, South Dakota | M3.0 | 49 km | 5 km |
| Feb 1, 2006 | 6 km ENE of Bassett, Nebraska | M2.9 | 146 km | 5 km |
| Jul 3, 1995 | 9 km SSW of Fort Thompson, South Dakota | M2.8 | 87 km | 5 km |
| Mar 20, 2010 | 9 km NNW of Springview, Nebraska | M2.7 | 140 km | 5 km |
| Apr 27, 2025 | 9 km NE of Burke, South Dakota | M2.5 | 79 km | 5 km |
| Jan 16, 2022 | 9 km NE of Plankinton, South Dakota | M2.5 | 9 km | 5 km |
| Mar 6, 2024 | 6 km SSE of Santee, Nebraska | M2.5 | 117 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
447 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 7 fatalities, 251 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 18, 2014 | EF4 | 36 km | 11.5 mi | 0 |
| Jun 24, 2003 | EF4 | 85 km | 10.0 mi | 0 |
| May 30, 1998 | EF4 | 65 km | 14.0 mi | 6 |
| Jun 7, 1993 | EF4 | 98 km | 10.0 mi | 0 |
| May 5, 2007 | EF3 | 7 km | 4.0 mi | 0 |
| Aug 24, 2006 | EF3 | 83 km | 24.5 mi | 0 |
| Jun 24, 2003 | EF3 | 34 km | 6.0 mi | 0 |
| Jun 24, 2003 | EF3 | 81 km | 3.5 mi | 0 |
| Jun 7, 1993 | EF3 | 97 km | 5.0 mi | 0 |
| May 7, 1993 | EF3 | 96 km | 10.0 mi | 0 |
| Jun 16, 1992 | EF3 | 87 km | 3.0 mi | 0 |
| Jun 16, 1992 | EF3 | 85 km | 2.0 mi | 0 |
| Jul 24, 1971 | EF3 | 68 km | 2.5 mi | 0 |
| Jul 9, 1971 | EF3 | 93 km | 0.1 mi | 0 |
| Jul 9, 1971 | EF3 | 98 km | 0.1 mi | 0 |
| Jul 3, 1971 | EF3 | 86 km | 0.1 mi | 0 |
| Jun 20, 1968 | EF3 | 41 km | 9.9 mi | 0 |
| Jun 26, 1965 | EF3 | 99 km | 35.6 mi | 0 |
| May 24, 1965 | EF3 | 83 km | 9.0 mi | 0 |
| May 8, 1965 | EF3 | 91 km | 1.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
6 wildfires (100+ acres) recorded within 100 km. Largest: HOLIDAY (2,936 acres, 2022).
| Year | Name | Acres Burned | Distance |
| 2022 | HOLIDAY | 2,936 | 82 km |
| 2000 | GANN VALLEY | 2,534 | 63 km |
| 2011 | HIGHWAY 47 | 1,800 | 88 km |
| 2005 | CHAOS | 1,539 | 87 km |
| 2023 | SDLDR-HFR-FY23-RX-BROKEN ARROW UNITS B-C-D-E-G-H-I | 1,185 | 32 km |
| 2009 | TAHOHPI WUI RX | 1,166 | 74 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 18°F (-8°C) | 0.5 in | Coldest, Driest |
| February | 22°F (-6°C) | 0.7 in | |
| March | 33°F (0°C) | 1.0 in | |
| April | 45°F (7°C) | 3.0 in | |
| May | 57°F (14°C) | 3.7 in | Wettest |
| June | 68°F (20°C) | 3.6 in | |
| July | 74°F (23°C) | 3.0 in | Warmest |
| August | 71°F (22°C) | 2.6 in | |
| September | 63°F (17°C) | 2.6 in | |
| October | 48°F (9°C) | 1.9 in | |
| November | 33°F (1°C) | 0.7 in | |
| December | 22°F (-6°C) | 0.6 in |
Plankinton has a seasonal temperature swing of 56°F / from 18°F in January to 74°F in July. Total annual precipitation is 23.9 inches, with May being the wettest month (3.7") and January the driest (0.5").