All Countries
Weather & Climate in Aurora, SD
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Aurora has a cool climate with an average annual temperature of 43°F (6°C). Winters average 13°F in January while summers reach 71°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 25.2 inches (drier than the 38-inch national average). The area receives 35.8 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 1,627 feet.
Temperature
13°F Jan (-11°C)
71°F Jul (22°C)
| Annual Average | 43.3°F |
| 20% below US avg | |
| January Average | 13°F (-11°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 1,627 ft (496 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 1,675/sq mi |
| Coordinates | 44.2833°N, 96.6829°W |
| Timezone | America/Chicago |
| County | Brookings County County |
| Nearest Airport | Brookings Regional (BKX) 7 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 50.1 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 65.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| 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 | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.1.
| Jul 26, 2002 | 0 km WSW of Huron, South Dakota | M3.1 | 123 km | 5 km |
| Jan 16, 2022 | 9 km NE of Plankinton, South Dakota | M2.5 | 149 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
497 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 18 fatalities, 450 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 16, 1992 | EF5 | 76 km | 16.0 mi | 1 |
| Jun 13, 1968 | EF5 | 75 km | 9.1 mi | 9 |
| Jun 24, 2003 | EF4 | 87 km | 10.0 mi | 0 |
| May 30, 1998 | EF4 | 99 km | 14.0 mi | 6 |
| Mar 29, 1998 | EF4 | 99 km | 73.5 mi | 1 |
| Jun 7, 1993 | EF4 | 66 km | 10.0 mi | 0 |
| Jun 7, 1993 | EF4 | 65 km | 54.0 mi | 0 |
| Jun 16, 1992 | EF4 | 73 km | 7.0 mi | 0 |
| Jul 7, 1955 | EF4 | 44 km | 30.0 mi | 1 |
| May 30, 2022 | EF3 | 58 km | 13.3 mi | 0 |
| May 17, 1996 | EF3 | 100 km | 18.0 mi | 0 |
| Jun 7, 1993 | EF3 | 50 km | 6.0 mi | 0 |
| Jun 7, 1993 | EF3 | 72 km | 5.0 mi | 0 |
| Jun 7, 1993 | EF3 | 39 km | 6.0 mi | 0 |
| May 7, 1993 | EF3 | 91 km | 10.0 mi | 0 |
| Jun 16, 1992 | EF3 | 89 km | 2.5 mi | 0 |
| Jun 16, 1992 | EF3 | 40 km | 4.0 mi | 0 |
| Jun 16, 1992 | EF3 | 86 km | 6.0 mi | 0 |
| Jun 16, 1992 | EF3 | 88 km | 16.0 mi | 0 |
| Jun 16, 1992 | EF3 | 72 km | 12.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 13°F (-11°C) | 0.4 in | Coldest, Driest |
| February | 18°F (-8°C) | 0.5 in | |
| March | 30°F (-1°C) | 1.3 in | |
| April | 45°F (7°C) | 2.2 in | |
| May | 57°F (14°C) | 2.9 in | |
| June | 67°F (19°C) | 4.1 in | Wettest |
| July | 71°F (22°C) | 3.2 in | Warmest |
| August | 69°F (21°C) | 2.9 in | |
| September | 60°F (15°C) | 2.6 in | |
| October | 47°F (8°C) | 1.7 in | |
| November | 30°F (-1°C) | 0.9 in | |
| December | 17°F (-9°C) | 0.4 in |
Aurora has a seasonal temperature swing of 58°F / from 13°F in January to 71°F in July. Total annual precipitation is 23.1 inches, with June being the wettest month (4.1") and January the driest (0.4").