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Weather & Climate in Nunda, SD
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nunda experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 16°F in January while summers reach 72°F in July. The area gets 276 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 26.8 inches (drier than the 38-inch national average). The area receives 38.1 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 1,748 feet.
Temperature
16°F Jan (-9°C)
72°F Jul (22°C)
| Annual Average | 45.9°F |
| 15% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 1,748 ft (533 m) |
| Area | 1.0 sq mi (2.6 km²) |
| Population Density | 43/sq mi |
| Coordinates | 44.1599°N, 97.0194°W |
| Timezone | America/Chicago |
| County | Lake County County |
| Nearest Airport | Brookings Regional (BKX) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 32.6 / 100 |
| Social Vulnerability | 25.9 / 100 |
| Community Resilience | 74.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
4 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 | 123 km | 5 km |
| Jul 26, 2002 | 0 km WSW of Huron, South Dakota | M3.1 | 98 km | 5 km |
| Jan 4, 2021 | 5 km N of Tyndall, South Dakota | M3.1 | 142 km | 5 km |
| Jan 16, 2022 | 9 km NE of Plankinton, South Dakota | M2.5 | 119 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
543 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 8 fatalities, 296 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 16, 1992 | EF5 | 89 km | 16.0 mi | 1 |
| Jun 24, 2003 | EF4 | 61 km | 10.0 mi | 0 |
| May 30, 1998 | EF4 | 70 km | 14.0 mi | 6 |
| Jun 7, 1993 | EF4 | 50 km | 54.0 mi | 0 |
| Jun 7, 1993 | EF4 | 38 km | 10.0 mi | 0 |
| Jun 16, 1992 | EF4 | 92 km | 7.0 mi | 0 |
| Jul 7, 1955 | EF4 | 74 km | 30.0 mi | 1 |
| May 30, 2022 | EF3 | 72 km | 13.3 mi | 0 |
| Jun 24, 2003 | EF3 | 84 km | 3.5 mi | 0 |
| Jun 7, 1993 | EF3 | 45 km | 5.0 mi | 0 |
| Jun 7, 1993 | EF3 | 18 km | 6.0 mi | 0 |
| Jun 7, 1993 | EF3 | 31 km | 6.0 mi | 0 |
| May 7, 1993 | EF3 | 66 km | 10.0 mi | 0 |
| Jun 16, 1992 | EF3 | 42 km | 3.0 mi | 0 |
| Jun 16, 1992 | EF3 | 96 km | 12.0 mi | 0 |
| Jun 16, 1992 | EF3 | 24 km | 4.0 mi | 0 |
| Apr 20, 1985 | EF3 | 79 km | 8.0 mi | 0 |
| May 12, 1984 | EF3 | 98 km | 27.0 mi | 0 |
| Jul 18, 1983 | EF3 | 83 km | 0.5 mi | 0 |
| Aug 3, 1981 | EF3 | 98 km | 12.8 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 16°F (-9°C) | 0.5 in | Coldest, Driest |
| February | 19°F (-7°C) | 0.7 in | |
| March | 31°F (-0°C) | 1.7 in | |
| April | 45°F (7°C) | 2.4 in | |
| May | 58°F (14°C) | 3.0 in | |
| June | 68°F (20°C) | 3.9 in | Wettest |
| July | 72°F (22°C) | 3.1 in | Warmest |
| August | 70°F (21°C) | 2.9 in | |
| September | 60°F (16°C) | 2.4 in | |
| October | 48°F (9°C) | 1.8 in | |
| November | 31°F (-1°C) | 1.0 in | |
| December | 18°F (-8°C) | 0.7 in |
Nunda has a seasonal temperature swing of 56°F / from 16°F in January to 72°F in July. Total annual precipitation is 23.8 inches, with June being the wettest month (3.9") and January the driest (0.5").