Spring Lake Colony, SD

Full City Profile · South Dakota · Lake County County

1.0 /5.0

F Poor

38 Population 131/sq mi density

45°F Avg Temperature 276 sunny days/yr

142 Violent Crime/100K 1,332 property/100K

Overall

1.0 / 5.0

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

Safety

1.0 / 5.0

142 violent crimes/100K

Spring Lake Colony has a cool climate with an average annual temperature of 45°F (7°C). Winters average 15°F in January while summers reach 72°F in July. The area gets 276 sunny days per year. Annual precipitation totals 26.2 inches. Air quality is rated Good with a median AQI of 35.

Temperature

15°F Jan (-10°C) 72°F Jul (22°C)

Annual Average	44.7°F
	17% below US avg
January Average	15°F (-10°C)
July Average	72°F (22°C)
Sunny Days	276 days/yr

Geography

Elevation	1,771 ft (540 m)
Area	0.3 sq mi (0.8 km²)
Population Density	131/sq mi
Coordinates	44.2350°N, 97.1748°W
Timezone	America/Chicago
County	Lake County County
Nearest Airport	Brookings Regional (BKX) 18 miles away

Precipitation & Snow

Annual Rainfall 26.2"

31% below US avg

Wettest Month (Jun) 3.94"

Driest Month (Jan) 0.51"

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+) within 150 km since 1990. Strongest: M3.6. Most recent: M2.5 on Jan 16, 2022.

Oct 25, 1990	8 km N of Plankinton, South Dakota	M3.6	115 km
Jul 26, 2002	0 km WSW of Huron, South Dakota	M3.1	84 km
Jan 4, 2021	5 km N of Tyndall, South Dakota	M3.1	144 km
Jan 16, 2022	9 km NE of Plankinton, South Dakota	M2.5	111 km

Source: USGS (M2.5+, 1990-2025)

Tornado History

518 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 7 fatalities, 257 injuries.

Date	Rating	Distance	Fatalities
Jun 24, 2003	EF4	48 km	0
May 30, 1998	EF4	67 km	6
Jun 7, 1993	EF4	40 km	0
Jun 7, 1993	EF4	61 km	0
Jul 7, 1955	EF4	82 km	1
May 30, 2022	EF3	68 km	0
Jun 24, 2003	EF3	70 km	0
Jun 24, 2003	EF3	96 km	0
Jun 7, 1993	EF3	49 km	0
Jun 7, 1993	EF3	31 km	0
Jun 7, 1993	EF3	43 km	0
May 7, 1993	EF3	71 km	0
Jun 16, 1992	EF3	33 km	0
Jun 16, 1992	EF3	13 km	0
Apr 20, 1985	EF3	94 km	0
May 12, 1984	EF3	84 km	0
Jul 18, 1983	EF3	74 km	0
Jun 15, 1970	EF3	20 km	0
Jun 20, 1968	EF3	89 km	0
May 24, 1965	EF3	86 km	0

Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

1 wildfire (100+ acres) within 100 km. Largest: TAHOHPI WUI RX (1,166 ac, 2009).

Year	Name	Acres	Distance
2009	TAHOHPI WUI RX	1,166	98 km

Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	15°F (-10°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)	2.3 in
May	58°F (14°C)	3.0 in
June	67°F (20°C)	3.9 in	Wettest
July	72°F (22°C)	3.2 in	Warmest
August	70°F (21°C)	2.8 in
September	60°F (16°C)	2.3 in
October	47°F (9°C)	1.9 in
November	30°F (-1°C)	1.0 in
December	17°F (-8°C)	0.6 in

Spring Lake Colony has a seasonal temperature swing of 57°F / from 15°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").

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