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Weather & Climate in Quinn, SD

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Quinn experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 21°F in January while summers reach 74°F in July. The area gets 302 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 17.4 inches (drier than the 38-inch national average). The area receives 38.2 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 2,612 feet.

Temperature

21°F Jan (-6°C) 74°F Jul (23°C)
Annual Average46.1°F
15% below US avg
January Average21°F (-6°C)
July Average74°F (23°C)
Sunny Days302 days/yr

Geography

Elevation2,612 ft (796 m)
Area1.2 sq mi (3.1 km²)
Population Density63/sq mi
Coordinates43.9866°N, 102.1263°W
TimezoneAmerica/Chicago
CountyOglala Lakota County County
Nearest AirportRapid City Regional (RAP)
46 miles away

Precipitation & Snow

Annual Rainfall 17.4"
54% below US avg
Snowfall 38.2"
Wettest Month (Jun) 2.95"
Driest Month (Jan) 0.31"

Air Quality

AQI Median35.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score49.8 / 100
Social Vulnerability99.7 / 100
Community Resilience0.1 / 100

Hazard Breakdown

Tornado Relatively Low
Earthquake Very Low
Wildfire Relatively Moderate
Flood Very Low
Hail Relatively Low
Strong Wind Relatively High
Heat Wave Very Low
Winter Weather Relatively Moderate
Lightning Relatively High
Ice Storm Very Low
Drought Relatively Low
Cold Wave Relatively Moderate
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

25 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.

Jan 28, 1990 8 km N of Manderson-White Horse Creek, South Dakota M4.0 81 km 5 km
May 25, 2003 10 km SSW of Martin, South Dakota M4.0 104 km 5 km
May 30, 2024 38 km NNW of Pierre, South Dakota M3.7 148 km 15 km
Feb 6, 1996 13 km WNW of Hill City, South Dakota M3.7 128 km 5 km
Mar 9, 2025 7 km W of Fairburn, South Dakota M3.6 100 km 5 km
Dec 12, 2013 10 km WSW of Hermosa, South Dakota M3.5 97 km 5 km
Mar 26, 2021 10 km E of Edgemont, South Dakota M3.4 148 km 5 km
Aug 9, 2011 2 km S of Fort Pierre, South Dakota M3.3 145 km 5 km
Aug 5, 2022 4 km ENE of Draper, South Dakota M3.2 131 km 9 km
Mar 2, 1990 7 km N of Manderson-White Horse Creek, South Dakota M3.2 82 km 5 km
Feb 20, 1993 21 km WSW of Cody, Nebraska M3.1 139 km 5 km
Feb 7, 2007 11 km WSW of Wasta, South Dakota M3.1 37 km 5 km
Jul 12, 1998 7 km E of Corn Creek, South Dakota M3.1 95 km 5 km
Jan 16, 2012 25 km E of Buffalo Gap, South Dakota M3.0 89 km 5 km
Jun 29, 2024 22 km ESE of Hill View Heights, Wyoming M3.0 144 km 10 km
Jun 16, 2024 7 km NNE of Buffalo Gap, South Dakota M2.9 103 km 8 km
Jul 17, 2016 15 km NNE of Oelrichs, South Dakota M2.8 112 km 5 km
Apr 4, 2024 19 km SW of Interior, South Dakota M2.8 41 km 9 km
Mar 18, 1994 4 km SSW of Hot Springs, South Dakota M2.8 128 km 5 km
Sep 5, 1993 4 km NNW of Central City, South Dakota M2.7 141 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

171 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 35 injuries.

Date Rating Distance Path Fatalities
May 11, 1991 EF3 91 km 2.0 mi 0
Jun 6, 1963 EF3 97 km 24.4 mi 0
Aug 6, 1956 EF3 63 km 28.3 mi 0
Jun 12, 2022 EF2 96 km 0.5 mi 0
Jun 13, 2016 EF2 91 km 7.4 mi 0
Jun 19, 2015 EF2 85 km 19.7 mi 0
May 24, 2010 EF2 60 km 22.3 mi 0
Jul 3, 2003 EF2 96 km 3.0 mi 0
Jun 7, 1994 EF2 30 km 10.0 mi 0
Jun 15, 1992 EF2 37 km 2.0 mi 0
May 11, 1991 EF2 90 km 1.0 mi 0
Mar 29, 1982 EF2 92 km 0.2 mi 0
May 19, 1974 EF2 72 km 2.7 mi 0
May 19, 1974 EF2 97 km 5.6 mi 0
May 21, 1972 EF2 100 km 0.1 mi 0
Jun 18, 1967 EF2 86 km 1.0 mi 0
Jun 22, 1966 EF2 95 km 0.1 mi 0
Jul 26, 1964 EF2 43 km 0.1 mi 0
May 2, 1964 EF2 39 km 14.8 mi 0
Aug 24, 1960 EF2 98 km 13.6 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: COTTONWOOD CA (41,775 acres, 2016).

Year Name Acres Burned Distance
2016 COTTONWOOD CA 41,775 23 km
2006 WHITE OWL 20,022 69 km
1985 YELLOWBEAR 19,212 73 km
2016 FREEMAN 19,121 97 km
2002 BATTLE CREEK 15,034 99 km
1987 GRASS CK3 11,125 88 km
2000 DECKER 10,883 77 km
2000 GENO H. 10,423 90 km
2000 PEPPER CREEK 8,915 96 km
2002 WANNA 7,699 97 km
2002 COTTONWOOD 6,696 73 km
2022 TURKEY DAY 5,998 78 km
1985 WHITEBUTTE 5,685 86 km
2006 RED WATER 5,407 54 km
1992 WHITERIVER 5,150 88 km
2017 WANBLEE TIMBER 4,982 63 km
2003 PAPA 4,746 68 km
2000 HAYES 4,627 100 km
1985 GAME RANGE 4,059 69 km
1999 BIG BUFFALO CREEK 3,981 25 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 21°F (-6°C) 0.3 in Coldest, Driest
February 27°F (-3°C) 0.4 in
March 35°F (2°C) 1.1 in
April 46°F (8°C) 1.7 in
May 57°F (14°C) 2.9 in
June 67°F (20°C) 3.0 in Wettest
July 74°F (23°C) 2.3 in Warmest
August 73°F (23°C) 1.6 in
September 62°F (17°C) 1.2 in
October 49°F (9°C) 1.3 in
November 34°F (1°C) 0.6 in
December 24°F (-5°C) 0.4 in

Quinn has a seasonal temperature swing of 53°F / from 21°F in January to 74°F in July. Total annual precipitation is 16.6 inches, with June being the wettest month (3.0") and January the driest (0.3").

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