Andover, SD

Full City Profile · South Dakota · Day County County

1.9 /5.0

D Poor

36 Population 133/sq mi density

$49,200 Home Value $241,049 Zillow

44°F Avg Temperature 276 sunny days/yr

282 Violent Crime/100K 1,976 property/100K

Overall

1.9 / 5.0

Below average overall score based on economy, affordability, safety and education

Safety

1.0 / 5.0

282 violent crimes/100K

C+

Education

2.8 / 5.0

21.9% bachelor's degree or higher

Andover has a cool climate with an average annual temperature of 44°F (7°C). Winters average 13°F in January while summers reach 72°F in July. The area gets 276 sunny days per year. Annual precipitation totals 24.0 inches. Air quality is rated Good with a median AQI of 35.

Temperature

13°F Jan (-11°C) 72°F Jul (22°C)

Annual Average	44.2°F
	18% below US avg
January Average	13°F (-11°C)
July Average	72°F (22°C)
Sunny Days	276 days/yr

Geography

Elevation	1,481 ft (451 m)
Area	0.3 sq mi (0.7 km²)
Population Density	133/sq mi
Coordinates	45.4102°N, 97.9037°W
Timezone	America/Chicago
County	Day County County
Nearest Airport	Aberdeen Regional (ABR) 25 miles away

Precipitation & Snow

Annual Rainfall 24.0"

37% below US avg

Wettest Month (Jun) 3.39"

Driest Month (Dec) 0.43"

Air Quality

AQI Median	35.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	27.6 / 100
Social Vulnerability	74.7 / 100
Community Resilience	84.5 / 100

Hazard Breakdown

Tornado	Relatively Low
Earthquake	Very Low
Wildfire	Relatively Low
Flood	Very Low
Hail	Relatively Low
Strong Wind	Relatively Moderate
Heat Wave	Very Low
Winter Weather	Relatively Moderate
Lightning	Very Low
Ice Storm	Relatively Moderate
Drought	Very Low
Cold Wave	Relatively Moderate
Landslide	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

3 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.1. Most recent: M3.1 on Jul 26, 2002.

Jun 5, 1993	11 km N of Johnson, Minnesota	M4.1	129 km
Oct 20, 1995	8 km SSE of New Effington, South Dakota	M3.7	91 km
Jul 26, 2002	0 km WSW of Huron, South Dakota	M3.1	119 km

Source: USGS (M2.5+, 1990–2025)

Tornado History

391 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 5 fatalities, 43 injuries.

Date	Rating	Distance	Fatalities
Jun 23, 2002	EF4	51 km	0
Jun 23, 2002	EF3	66 km	0
May 31, 1996	EF3	46 km	0
May 12, 1984	EF3	61 km	0
Jul 18, 1983	EF3	81 km	0
Jul 1, 1973	EF3	97 km	0
Jul 1, 1973	EF3	70 km	0
Jul 1, 1973	EF3	50 km	1
Jun 25, 1969	EF3	15 km	0
May 20, 1965	EF3	72 km	0
Jun 21, 1961	EF3	26 km	1
Jul 4, 2020	EF2	75 km	0
Jul 10, 2011	EF2	78 km	0
May 22, 2010	EF2	60 km	0
May 22, 2010	EF2	88 km	0
Jun 29, 2005	EF2	64 km	0
Sep 23, 2004	EF2	97 km	0
Jul 27, 1999	EF2	79 km	0
Jul 17, 1996	EF2	9 km	0
Jun 7, 1993	EF2	89 km	0

Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

7 wildfires (100+ acres) within 100 km. Largest: DANIELSON (1,682 ac, 2003).

Year	Name	Acres	Distance
2003	DANIELSON	1,682	79 km
2004	TACOMA PARK PLACE	1,336	31 km
2016	SLR 2016 RX MICHELL	1,242	58 km
2000	PHEASANT OPENER	1,206	10 km
1992	SPRING LK	1,001	46 km
2006	MOSQUITO RANCH	656	95 km
1997	ROBIN HOOD	542	96 km

Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	13°F (-11°C)	0.5 in	Coldest
February	18°F (-8°C)	0.6 in
March	30°F (-1°C)	1.0 in
April	45°F (7°C)	1.9 in
May	58°F (14°C)	2.7 in
June	67°F (19°C)	3.4 in	Wettest
July	72°F (22°C)	2.8 in	Warmest
August	70°F (21°C)	2.5 in
September	60°F (16°C)	1.9 in
October	47°F (8°C)	1.4 in
November	29°F (-2°C)	0.7 in
December	16°F (-9°C)	0.4 in	Driest

Andover has a seasonal temperature swing of 59°F / from 13°F in January to 72°F in July. Total annual precipitation is 19.7 inches, with June being the wettest month (3.4") and December the driest (0.4").

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