White Knoll, SC

Full City Profile · South Carolina · Lexington County County

4.0 /5.0
A Great
7,865 Population 1,285/sq mi density
$79,531 Median Income $31,721 per capita
$232,000 Home Value $225,095 Zillow
$1,269 Median Rent 31.7% income on rent
64°F Avg Temperature
A
Overall
4.0 / 5.0
Strong
A
Economy
4.0 / 5.0
$79,531 median income, 5.1% unemployment
A+
Affordability
5.0 / 5.0
$232,000 home value, $1,269/mo rent
C+
Education
2.9 / 5.0
23.8% bachelor's degree or higher
White Knoll enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 46°F in January while summers reach 82°F in July. Annual precipitation totals 45.2 inches. The area receives 1.2 inches of snow annually.

Temperature

46°F Jan (8°C) 82°F Jul (28°C)
Annual Average64.3°F
19% above US avg
January Average46°F (8°C)
July Average82°F (28°C)

Geography

Elevation349 ft (106 m)
Area6.2 sq mi (16.0 km²)
Population Density1,285/sq mi
Coordinates33.8880°N, 81.2386°W
TimezoneAmerica/New_York
CountyLexington County County
Nearest AirportAiken Regional (AIK)
30 miles away

Precipitation & Snow

Annual Rainfall 45.2"
19% above US avg
Snowfall 1.2"
Wettest Month (Jul) 5.35"
Driest Month (Nov) 2.76"

Air Quality

Air Pollutants (EPA 2023)

PM2.5 (Fine Particles)7.8 μg/m³

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score90.9 / 100
Social Vulnerability22.4 / 100
Community Resilience46.3 / 100

Hazard Breakdown

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

Earthquake History

66 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.1. Most recent: M2.5 on Aug 23, 2025.

Feb 15, 2014 12 km ENE of Parksville, South Carolina M4.1 79 km
Aug 21, 1992 1 km SSE of Centerville, South Carolina M4.1 142 km
Apr 13, 1998 9 km S of Kershaw, South Carolina M3.9 87 km
Apr 17, 1995 0 km NNW of Centerville, South Carolina M3.9 140 km
Jun 29, 2022 6 km E of Elgin, South Carolina M3.6 56 km
Nov 13, 1990 4 km SSW of Ladson, South Carolina M3.5 146 km
Jun 29, 2022 6 km E of Elgin, South Carolina M3.5 56 km
Jan 3, 1992 4 km ENE of Willington, South Carolina M3.4 110 km
Jun 26, 2022 6 km E of Elgin, South Carolina M3.4 57 km
May 9, 2022 5 km ESE of Elgin, South Carolina M3.3 56 km
Aug 29, 2009 2 km NE of Summerville, South Carolina M3.2 138 km
Jun 20, 2017 6 km SW of Augusta, Georgia M3.2 88 km
Aug 8, 1993 12 km ENE of Aiken, South Carolina M3.2 46 km
May 5, 2003 4 km NNW of Summerville, South Carolina M3.1 134 km
Jul 20, 2004 7 km WSW of Centerville, South Carolina M3.1 137 km
Aug 23, 2025 3 km N of Coronaca, South Carolina M3.0 91 km
Mar 29, 1999 3 km NNW of Sangaree, South Carolina M3.0 137 km
Feb 16, 2014 13 km WNW of Edgefield, South Carolina M3.0 77 km
Mar 19, 2014 0 km WNW of Centerville, South Carolina M3.0 140 km
Jul 26, 2002 4 km NNW of Summerville, South Carolina M3.0 134 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

15 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Ian (2022, Cat 1).

Year Name Category Closest
2022 Ian Category 1 200 km
2020 Isaias Category 1 233 km
2019 Dorian Category 3 254 km
2018 Florence Category 1 262 km
2016 Matthew Category 2 189 km
2014 Arthur Category 1 294 km
2004 Charley Category 1 197 km
2004 Gaston Category 1 181 km
1999 Floyd Category 2 290 km
1999 Irene Category 1 281 km
1996 Fran Category 3 275 km
1996 Bertha Category 2 292 km
1989 Hugo Category 4 91 km
1985 Bob Category 1 200 km
1984 Diana Category 3 271 km
Source: NOAA IBTrACS (Cat 1+, 1980-2026)

Tornado History

517 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 24 fatalities, 441 injuries.

Date Rating Distance Fatalities
Mar 28, 1984 EF4 91 km 0
Mar 28, 1984 EF4 54 km 5
Dec 13, 1973 EF4 79 km 2
Apr 5, 2022 EF3 88 km 0
Apr 13, 2020 EF3 81 km 0
Apr 13, 2020 EF3 65 km 2
Apr 13, 2020 EF3 64 km 0
Apr 13, 2020 EF3 74 km 0
Apr 13, 2020 EF3 76 km 0
Apr 10, 2009 EF3 78 km 0
Mar 15, 2008 EF3 61 km 0
Mar 15, 2008 EF3 80 km 0
Apr 15, 2007 EF3 69 km 1
Dec 10, 2004 EF3 52 km 0
Sep 7, 2004 EF3 74 km 0
May 7, 1998 EF3 73 km 0
May 7, 1998 EF3 81 km 1
Nov 2, 1995 EF3 15 km 0
Aug 16, 1994 EF3 5 km 0
Aug 16, 1994 EF3 4 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: UNNAMED (8,427 ac, 2009).

Year Name Acres Distance
2009 UNNAMED 8,427 71 km
2010 BURNING UNIT 5,567 91 km
2009 UNNAMED 5,322 42 km
2014 UNNAMED 3,897 88 km
2019 UNNAMED 3,772 88 km
2001 UNNAMED 3,481 72 km
2010 C-94-95 133 RX 3,192 77 km
2010 UNNAMED 2,968 69 km
2010 UNNAMED 2,909 74 km
2021 C-326/327 LC 2,852 86 km
2010 UNNAMED 2,796 80 km
2008 UNNAMED 2,711 81 km
2015 UNNAMED 2,690 75 km
2013 UNNAMED 2,654 82 km
2010 UNNAMED 2,532 88 km
2017 UNNAMED 2,514 89 km
2009 UNNAMED 2,458 73 km
2008 UNNAMED 2,407 92 km
2017 UNNAMED 2,395 92 km
2017 UNNAMED 2,362 88 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 46°F (8°C) 3.5 in Coldest
February 49°F (10°C) 3.4 in
March 56°F (13°C) 3.6 in
April 64°F (18°C) 2.8 in
May 72°F (22°C) 3.5 in
June 79°F (26°C) 5.0 in
July 82°F (28°C) 5.4 in Warmest, Wettest
August 81°F (27°C) 4.7 in
September 76°F (24°C) 3.9 in
October 65°F (18°C) 3.1 in
November 54°F (12°C) 2.8 in Driest
December 48°F (9°C) 3.7 in

White Knoll has a seasonal temperature swing of 37°F / from 46°F in January to 82°F in July. Total annual precipitation is 45.2 inches, with July being the wettest month (5.4") and November the driest (2.8").

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