Jamesville Colony, SD

Full City Profile · South Dakota · Yankton County County

5.0 /5.0

A+ Excellent

66 Population 600/sq mi density

48°F Avg Temperature

A+

Overall

5.0 / 5.0

Strong

A+

Education

5.0 / 5.0

0.0% bachelor's degree or higher

Jamesville Colony experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 19°F in January while summers reach 74°F in July. Annual precipitation totals 25.0 inches. The area receives 39.2 inches of snow annually.

Temperature

19°F Jan (-7°C) 74°F Jul (24°C)

Annual Average	48.2°F
	11% below US avg
January Average	19°F (-7°C)
July Average	74°F (24°C)

Geography

Elevation	1,186 ft (361 m)
Area	0.1 sq mi (0.3 km²)
Population Density	600/sq mi
Coordinates	43.1015°N, 97.4818°W
Timezone	America/Chicago
County	Yankton County County
Nearest Airport	Joe Foss Field (FSD) 50 miles away

Precipitation & Snow

Annual Rainfall 25.0"

34% below US avg

Snowfall 39.2"

Wettest Month (Jun) 3.64"

Driest Month (Jan) 0.53"

Air Quality

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	63.4 / 100
Social Vulnerability	66.6 / 100
Community Resilience	84.6 / 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	Relatively Moderate
Ice Storm	Relatively High
Drought	Relatively High
Cold Wave	Relatively Moderate
Landslide	Relatively Low

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

Earthquake History

13 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.3. Most recent: M2.5 on Apr 27, 2025.

Nov 3, 2002	16 km SSW of Butte, Nebraska	M4.3	121 km
Jun 4, 2021	10 km NE of Anoka, Nebraska	M3.7	102 km
Oct 25, 1990	8 km N of Plankinton, South Dakota	M3.6	111 km
Feb 6, 1996	1 km N of Wausa, Nebraska	M3.6	66 km
Aug 9, 1997	9 km NW of Clarkson, Nebraska	M3.4	147 km
Jun 4, 2021	9 km ENE of Anoka, Nebraska	M3.1	102 km
Jan 4, 2021	5 km N of Tyndall, South Dakota	M3.1	32 km
Feb 7, 2014	11 km NE of Bijou Hills, South Dakota	M3.0	140 km
Jan 1, 2020	2 km E of Chambers, Nebraska	M2.8	142 km
Feb 5, 2025	8 km SSE of Tilden, Nebraska	M2.7	128 km
Apr 27, 2025	9 km NE of Burke, South Dakota	M2.5	142 km
Jan 16, 2022	9 km NE of Plankinton, South Dakota	M2.5	105 km
Mar 6, 2024	6 km SSE of Santee, Nebraska	M2.5	44 km

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

Tornado History

591 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 12 fatalities, 351 injuries.

Date	Rating	Distance	Fatalities
Jun 23, 2003	EF4	68 km	1
May 30, 1998	EF4	74 km	6
Jun 7, 1993	EF4	88 km	0
Jun 7, 1993	EF4	82 km	0
Jul 28, 1986	EF4	63 km	0
Jun 7, 1965	EF4	22 km	1
May 29, 1962	EF4	92 km	0
Jun 17, 2014	EF3	65 km	0
Oct 4, 2013	EF3	81 km	0
May 5, 2007	EF3	99 km	0
Jun 7, 1993	EF3	96 km	0
Jun 7, 1993	EF3	79 km	0
May 7, 1993	EF3	57 km	0
Aug 3, 1981	EF3	33 km	0
Jul 5, 1978	EF3	83 km	0
Jun 20, 1968	EF3	76 km	0
Jun 14, 1967	EF3	81 km	0
Jun 26, 1965	EF3	31 km	0
Jun 21, 1965	EF3	30 km	0
Jun 7, 1965	EF3	59 km	0

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

Wildfire History

2 wildfires (100+ acres) within 100 km. Largest: KAYLKOWSKI (1,966 ac, 2012).

Year	Name	Acres	Distance
2012	KAYLKOWSKI	1,966	90 km
2012	SIX PACK	1,649	47 km

Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	19°F (-7°C)	0.5 in	Coldest, Driest
February	24°F (-5°C)	0.7 in
March	36°F (2°C)	1.3 in
April	49°F (9°C)	2.7 in
May	60°F (16°C)	3.4 in
June	71°F (22°C)	3.6 in	Wettest
July	74°F (24°C)	2.8 in	Warmest
August	72°F (22°C)	3.3 in
September	65°F (18°C)	2.9 in
October	51°F (10°C)	2.1 in
November	35°F (2°C)	1.0 in
December	23°F (-5°C)	0.8 in

Jamesville Colony has a seasonal temperature swing of 55°F / from 19°F in January to 74°F in July. Total annual precipitation is 25.0 inches, with June being the wettest month (3.6") and January the driest (0.5").

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