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Florence, SD

Full City Profile · South Dakota · Day County County

2.9 /5.0
C+ Fair
289 Population 419/sq mi density
$69,531 Median Income $32,685 per capita
$137,500 Home Value $503,980 Zillow
$388 Median Rent 17.5% income on rent
43°F Avg Temperature 276 sunny days/yr
262 Violent Crime/100K 2,215 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$69,531 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$137,500 home value, $388/mo rent
F
Safety
1.0 / 5.0
262 violent crimes/100K
D
Education
1.5 / 5.0
6.4% bachelor's degree or higher
Florence has a cool climate with an average annual temperature of 43°F (6°C). Winters average 11°F in January while summers reach 70°F in July. The area gets 276 sunny days per year. Annual precipitation totals 25.7 inches. The area receives 58.6 inches of snow annually. Air quality is rated Good with a median AQI of 35.

Temperature

11°F Jan (-11°C) 70°F Jul (21°C)
Annual Average42.6°F
21% below US avg
January Average11°F (-11°C)
July Average70°F (21°C)
Sunny Days276 days/yr

Geography

Elevation1,771 ft (540 m)
Area0.7 sq mi (1.8 km²)
Population Density419/sq mi
Coordinates45.0548°N, 97.3263°W
TimezoneAmerica/Chicago
CountyDay County County
Nearest AirportWatertown Regional (ATY)
13 miles away

Precipitation & Snow

Annual Rainfall 25.7"
32% below US avg
Snowfall 58.6"
Wettest Month (Jun) 3.62"
Driest Month (Dec) 0.39"

Air Quality

AQI Median35.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score27.6 / 100
Social Vulnerability74.7 / 100
Community Resilience84.5 / 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 M4.1 106 km
Oct 20, 1995 8 km SSE of New Effington, South Dakota M3.7 89 km
Jul 26, 2002 0 km WSW of Huron, South Dakota M3.1 105 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

428 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 3 fatalities, 62 injuries.

Date Rating Distance Fatalities
Jun 24, 2003 EF4 93 km 0
May 30, 2022 EF3 49 km 0
Jun 24, 2003 EF3 94 km 0
May 17, 1996 EF3 60 km 0
Jun 16, 1992 EF3 79 km 0
May 12, 1984 EF3 37 km 0
Jul 18, 1983 EF3 21 km 0
Jul 1, 1973 EF3 95 km 1
Jun 25, 1969 EF3 74 km 0
Jun 21, 1961 EF3 85 km 1
May 30, 2022 EF2 57 km 0
May 12, 2022 EF2 75 km 0
May 12, 2022 EF2 44 km 0
May 12, 2022 EF2 66 km 0
Sep 23, 2004 EF2 86 km 0
Jun 24, 2003 EF2 83 km 0
Jun 24, 2003 EF2 75 km 0
Jul 17, 1996 EF2 63 km 0
Jun 7, 1993 EF2 99 km 0
Jun 7, 1993 EF2 99 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: LOUISBURGRADE (6,487 ac, 2004).

Year Name Acres Distance
2004 LOUISBURGRADE 6,487 87 km
2004 FISH FIRE 1,799 82 km
2003 DANIELSON 1,682 94 km
2004 TACOMA PARK PLACE 1,336 90 km
2005 GRAND MEWS 1,245 80 km
2000 PHEASANT OPENER 1,206 53 km
1998 LEE 1,137 77 km
1995 UNNAMED 1,115 78 km
2003 ANDERSON 1,082 81 km
1998 ANDREASEN 1,001 82 km
1992 SPRING LK 1,001 41 km
1990 ANDERSON 988 79 km
2007 ANDERSON 797 81 km
2006 ANDERSON 764 79 km
1986 ANDERSON 746 81 km
2000 FISH 720 81 km
2007 LEE 689 77 km
2006 MOSQUITO RANCH 656 78 km
2003 LEE 560 76 km
1997 ROBIN HOOD 542 79 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 11°F (-11°C) 0.5 in Coldest
February 17°F (-8°C) 0.5 in
March 29°F (-2°C) 1.2 in
April 44°F (7°C) 1.9 in
May 57°F (14°C) 2.9 in
June 67°F (19°C) 3.6 in Wettest
July 70°F (21°C) 3.1 in Warmest
August 69°F (21°C) 2.8 in
September 59°F (15°C) 2.0 in
October 46°F (8°C) 1.7 in
November 29°F (-2°C) 0.8 in
December 16°F (-9°C) 0.4 in Driest

Florence has a seasonal temperature swing of 59°F / from 11°F in January to 70°F in July. Total annual precipitation is 21.3 inches, with June being the wettest month (3.6") and December the driest (0.4").

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