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Weather & Climate in Wagner, SD
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Wagner experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 23°F in January while summers reach 76°F in July. The area gets 291 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 26.3 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 35. The city sits at an elevation of 1,445 feet.
Temperature
23°F Jan (-5°C)
76°F Jul (25°C)
| Annual Average | 49.8°F |
| 8% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 291 days/yr |
Geography
| Elevation | 1,445 ft (440 m) |
| Area | 1.9 sq mi (4.9 km²) |
| Population Density | 836/sq mi |
| Coordinates | 43.0770°N, 98.2914°W |
| Timezone | America/Chicago |
| County | Charles Mix County County |
| Nearest Airport | Mitchell Municipal (MHE) 50 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 48.5 / 100 |
| Social Vulnerability | 61.0 / 100 |
| Community Resilience | 51.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively 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
16 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 | 60 km | 5 km |
| Jun 4, 2021 | 10 km NE of Anoka, Nebraska | M3.7 | 37 km | 5 km |
| Oct 25, 1990 | 8 km N of Plankinton, South Dakota | M3.6 | 81 km | 5 km |
| Feb 6, 1996 | 1 km N of Wausa, Nebraska | M3.6 | 88 km | 5 km |
| Jun 4, 2021 | 9 km ENE of Anoka, Nebraska | M3.1 | 37 km | 5 km |
| Jul 26, 2002 | 0 km WSW of Huron, South Dakota | M3.1 | 143 km | 5 km |
| Jan 4, 2021 | 5 km N of Tyndall, South Dakota | M3.1 | 35 km | 5 km |
| Feb 7, 2014 | 11 km NE of Bijou Hills, South Dakota | M3.0 | 86 km | 5 km |
| Feb 1, 2006 | 6 km ENE of Bassett, Nebraska | M2.9 | 109 km | 5 km |
| Jul 3, 1995 | 9 km SSW of Fort Thompson, South Dakota | M2.8 | 142 km | 5 km |
| Jan 1, 2020 | 2 km E of Chambers, Nebraska | M2.8 | 103 km | 10 km |
| Mar 20, 2010 | 9 km NNW of Springview, Nebraska | M2.7 | 124 km | 5 km |
| Feb 5, 2025 | 8 km SSE of Tilden, Nebraska | M2.7 | 129 km | 5 km |
| Apr 27, 2025 | 9 km NE of Burke, South Dakota | M2.5 | 78 km | 5 km |
| Jan 16, 2022 | 9 km NE of Plankinton, South Dakota | M2.5 | 77 km | 5 km |
| Mar 6, 2024 | 6 km SSE of Santee, Nebraska | M2.5 | 51 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
470 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 9 fatalities, 330 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 30, 1998 | EF4 | 90 km | 14.0 mi | 6 |
| Jun 7, 1965 | EF4 | 87 km | 7.8 mi | 1 |
| May 29, 1962 | EF4 | 46 km | 24.2 mi | 0 |
| Oct 4, 2013 | EF3 | 79 km | 6.4 mi | 0 |
| May 5, 2007 | EF3 | 68 km | 4.0 mi | 0 |
| Jun 9, 2003 | EF3 | 74 km | 23.0 mi | 0 |
| May 7, 1993 | EF3 | 99 km | 10.0 mi | 0 |
| Aug 3, 1981 | EF3 | 95 km | 12.8 mi | 0 |
| Jun 20, 1968 | EF3 | 72 km | 9.9 mi | 0 |
| Jun 26, 1965 | EF3 | 40 km | 35.6 mi | 0 |
| Jun 21, 1965 | EF3 | 44 km | 15.4 mi | 0 |
| May 24, 1965 | EF3 | 80 km | 9.0 mi | 0 |
| May 8, 1965 | EF3 | 85 km | 1.5 mi | 0 |
| Jun 5, 1962 | EF3 | 39 km | 9.5 mi | 0 |
| May 21, 1962 | EF3 | 74 km | 1.0 mi | 0 |
| May 21, 1962 | EF3 | 42 km | 11.0 mi | 0 |
| May 16, 1962 | EF3 | 54 km | 0.1 mi | 0 |
| May 15, 1962 | EF3 | 91 km | 0.1 mi | 0 |
| May 14, 1962 | EF3 | 37 km | 70.4 mi | 0 |
| May 30, 1959 | EF3 | 85 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
4 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (2,875 acres, 2012).
| Year | Name | Acres Burned | Distance |
| 2012 | UNNAMED | 2,875 | 99 km |
| 2012 | KAYLKOWSKI | 1,966 | 36 km |
| 2012 | SIX PACK | 1,649 | 47 km |
| 2023 | SDLDR-HFR-FY23-RX-BROKEN ARROW UNITS B-C-D-E-G-H-I | 1,185 | 56 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 0.6 in | Coldest, Driest |
| February | 26°F (-3°C) | 0.7 in | |
| March | 36°F (2°C) | 1.7 in | |
| April | 49°F (9°C) | 2.5 in | |
| May | 61°F (16°C) | 3.5 in | |
| June | 71°F (22°C) | 3.8 in | Wettest |
| July | 76°F (25°C) | 3.1 in | Warmest |
| August | 74°F (23°C) | 2.4 in | |
| September | 64°F (18°C) | 2.6 in | |
| October | 51°F (11°C) | 1.6 in | |
| November | 34°F (1°C) | 1.1 in | |
| December | 23°F (-5°C) | 0.8 in |
Wagner has a seasonal temperature swing of 54°F / from 23°F in January to 76°F in July. Total annual precipitation is 24.3 inches, with June being the wettest month (3.8") and January the driest (0.6").