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Weather & Climate in Worthing, SD
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Worthing experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 16°F in January while summers reach 73°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 27.8 inches (drier than the 38-inch national average). The area receives 36.1 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 35. The city sits at an elevation of 1,364 feet.
Temperature
16°F Jan (-9°C)
73°F Jul (23°C)
| Annual Average | 45.7°F |
| 15% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 291 days/yr |
Geography
| Elevation | 1,364 ft (416 m) |
| Area | 0.6 sq mi (1.5 km²) |
| Population Density | 1,941/sq mi |
| Coordinates | 43.3300°N, 96.7682°W |
| Timezone | America/Chicago |
| County | Lincoln County County |
| Nearest Airport | Joe Foss Field (FSD) 17 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 63.0 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 97.6 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
6 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Oct 25, 1990 | 8 km N of Plankinton, South Dakota | M3.6 | 147 km | 5 km |
| Feb 6, 1996 | 1 km N of Wausa, Nebraska | M3.6 | 111 km | 5 km |
| Jan 4, 2021 | 5 km N of Tyndall, South Dakota | M3.1 | 94 km | 5 km |
| Jun 30, 2021 | 4 km E of Rembrandt, Iowa | M2.7 | 146 km | 10 km |
| Jan 16, 2022 | 9 km NE of Plankinton, South Dakota | M2.5 | 140 km | 5 km |
| Mar 6, 2024 | 6 km SSE of Santee, Nebraska | M2.5 | 104 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
656 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 12 fatalities, 287 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 16, 1992 | EF5 | 80 km | 16.0 mi | 1 |
| Jun 25, 2010 | EF4 | 67 km | 13.7 mi | 0 |
| May 30, 1998 | EF4 | 87 km | 14.0 mi | 6 |
| Jun 7, 1993 | EF4 | 45 km | 54.0 mi | 0 |
| Jun 7, 1993 | EF4 | 74 km | 10.0 mi | 0 |
| Jun 16, 1992 | EF4 | 98 km | 7.0 mi | 0 |
| Jul 28, 1986 | EF4 | 74 km | 52.5 mi | 0 |
| Jun 7, 1965 | EF4 | 41 km | 7.8 mi | 1 |
| Jun 23, 1952 | EF4 | 99 km | 24.1 mi | 0 |
| Jun 17, 2014 | EF3 | 97 km | 4.0 mi | 0 |
| Aug 7, 1994 | EF3 | 76 km | 4.5 mi | 0 |
| Jun 7, 1993 | EF3 | 76 km | 6.0 mi | 0 |
| Jun 7, 1993 | EF3 | 67 km | 5.0 mi | 0 |
| Jun 7, 1993 | EF3 | 63 km | 6.0 mi | 0 |
| May 7, 1993 | EF3 | 52 km | 10.0 mi | 0 |
| Apr 20, 1985 | EF3 | 83 km | 8.0 mi | 0 |
| Aug 3, 1981 | EF3 | 31 km | 12.8 mi | 0 |
| Jul 5, 1978 | EF3 | 29 km | 8.0 mi | 0 |
| May 31, 1971 | EF3 | 67 km | 46.5 mi | 0 |
| Jun 15, 1970 | EF3 | 92 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 16°F (-9°C) | 0.4 in | Coldest, Driest |
| February | 22°F (-6°C) | 0.6 in | |
| March | 34°F (1°C) | 1.5 in | |
| April | 47°F (9°C) | 2.4 in | |
| May | 60°F (15°C) | 3.2 in | |
| June | 69°F (21°C) | 3.8 in | Wettest |
| July | 73°F (23°C) | 3.1 in | Warmest |
| August | 71°F (22°C) | 3.0 in | |
| September | 62°F (17°C) | 2.6 in | |
| October | 49°F (10°C) | 1.8 in | |
| November | 33°F (0°C) | 1.1 in | |
| December | 20°F (-7°C) | 0.6 in |
Worthing has a seasonal temperature swing of 57°F / from 16°F in January to 73°F in July. Total annual precipitation is 24.3 inches, with June being the wettest month (3.8") and January the driest (0.4").