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Weather & Climate in Graniteville, SC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Graniteville enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 44°F in January while summers reach 80°F in July. The area gets 323 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 211 feet.
Temperature
44°F Jan (6°C)
80°F Jul (27°C)
| Annual Average | 61.8°F |
| 14% above US avg | |
| January Average | 44°F (6°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 323 days/yr |
Geography
| Elevation | 211 ft (64 m) |
| Area | 3.3 sq mi (8.7 km²) |
| Population Density | 652/sq mi |
| Coordinates | 33.5647°N, 81.8092°W |
| Timezone | America/New_York |
| County | Aiken County County |
| Nearest Airport | Aiken Regional (AIK) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 84.2 / 100 |
| Social Vulnerability | 50.8 / 100 |
| Community Resilience | 33.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
45 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Feb 15, 2014 | 12 km ENE of Parksville, South Carolina | M4.1 | 38 km | 5 km |
| Apr 13, 1998 | 9 km S of Kershaw, South Carolina | M3.9 | 150 km | 7 km |
| Jun 18, 2022 | 7 km E of Stillmore, Georgia | M3.9 | 128 km | 1 km |
| Jun 29, 2022 | 6 km E of Elgin, South Carolina | M3.6 | 120 km | 3 km |
| Jul 13, 2003 | 6 km N of Cobbtown, Georgia | M3.6 | 140 km | 5 km |
| Jun 29, 2022 | 6 km E of Elgin, South Carolina | M3.5 | 120 km | 3 km |
| Mar 18, 2003 | 11 km S of Rayle, Georgia | M3.5 | 101 km | 5 km |
| Jan 3, 1992 | 4 km ENE of Willington, South Carolina | M3.4 | 73 km | 3 km |
| Jun 26, 2022 | 6 km E of Elgin, South Carolina | M3.4 | 120 km | 4 km |
| May 9, 2022 | 5 km ESE of Elgin, South Carolina | M3.3 | 120 km | 4 km |
| Dec 7, 2009 | 4 km WNW of Deepstep, Georgia | M3.2 | 127 km | 7 km |
| Aug 8, 1993 | 12 km ENE of Aiken, South Carolina | M3.2 | 21 km | 9 km |
| Jun 20, 2017 | 6 km SW of Augusta, Georgia | M3.2 | 25 km | 13 km |
| Apr 4, 2009 | 15 km N of Milledgeville, Georgia | M3.1 | 135 km | 0 km |
| Aug 23, 2025 | 3 km N of Coronaca, South Carolina | M3.0 | 85 km | 2 km |
| Feb 16, 2014 | 13 km WNW of Edgefield, South Carolina | M3.0 | 38 km | 7 km |
| Feb 18, 2005 | 7 km ENE of Irmo, South Carolina | M2.9 | 89 km | 1 km |
| Aug 23, 2025 | 3 km NNW of Coronaca, South Carolina | M2.9 | 85 km | 7 km |
| Apr 26, 2013 | 9 km E of Lincolnton, Georgia | M2.8 | 58 km | 12 km |
| Sep 18, 1996 | 6 km E of Clarks Hill, South Carolina | M2.8 | 30 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
12 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Helene | Category 1 | 92 mph | 288 km |
| 2022 | Ian | Category 1 | 86 mph | 244 km |
| 2020 | Isaias | Category 1 | 92 mph | 266 km |
| 2019 | Dorian | Category 3 | 115 mph | 284 km |
| 2018 | Michael | Category 3 | 92 mph | 254 km |
| 2016 | Matthew | Category 2 | 98 mph | 204 km |
| 2004 | Charley | Category 1 | 81 mph | 233 km |
| 2004 | Gaston | Category 1 | 75 mph | 215 km |
| 1999 | Irene | Category 1 | 81 mph | 300 km |
| 1989 | Hugo | Category 4 | 138 mph | 140 km |
| 1985 | Bob | Category 1 | 75 mph | 195 km |
| 1985 | Kate | Category 1 | 75 mph | 279 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
443 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 24 fatalities, 407 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Dec 13, 1973 | EF4 | 71 km | 1.0 mi | 2 |
| Mar 31, 1973 | EF4 | 91 km | 22.6 mi | 7 |
| Apr 5, 2022 | EF3 | 81 km | 13.3 mi | 0 |
| Apr 5, 2022 | EF3 | 76 km | 34.5 mi | 0 |
| Apr 13, 2020 | EF3 | 41 km | 8.5 mi | 0 |
| Apr 13, 2020 | EF3 | 47 km | 35.7 mi | 2 |
| Apr 13, 2020 | EF3 | 34 km | 37.9 mi | 0 |
| Apr 13, 2020 | EF3 | 64 km | 5.4 mi | 0 |
| Apr 13, 2020 | EF3 | 55 km | 1.4 mi | 0 |
| Apr 10, 2009 | EF3 | 61 km | 26.3 mi | 0 |
| Apr 10, 2009 | EF3 | 18 km | 14.6 mi | 0 |
| Apr 10, 2009 | EF3 | 43 km | 17.7 mi | 0 |
| Feb 18, 2009 | EF3 | 99 km | 19.7 mi | 0 |
| Mar 15, 2008 | EF3 | 74 km | 27.5 mi | 0 |
| Mar 15, 2008 | EF3 | 95 km | 10.1 mi | 0 |
| Dec 10, 2004 | EF3 | 91 km | 1.5 mi | 0 |
| May 7, 1998 | EF3 | 41 km | 5.0 mi | 0 |
| May 7, 1998 | EF3 | 27 km | 12.0 mi | 1 |
| Nov 2, 1995 | EF3 | 72 km | 1.5 mi | 0 |
| Aug 16, 1994 | EF3 | 65 km | 0.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (8,427 acres, 2009).
| Year | Name | Acres Burned | Distance |
| 2009 | UNNAMED | 8,427 | 34 km |
| 2014 | UNNAMED | 3,897 | 41 km |
| 2019 | UNNAMED | 3,772 | 41 km |
| 2009 | UNNAMED | 3,165 | 73 km |
| 2010 | UNNAMED | 2,968 | 31 km |
| 2010 | UNNAMED | 2,909 | 99 km |
| 2021 | C-326/327 LC | 2,852 | 29 km |
| 2010 | UNNAMED | 2,796 | 49 km |
| 2008 | UNNAMED | 2,711 | 49 km |
| 2013 | UNNAMED | 2,654 | 44 km |
| 2010 | UNNAMED | 2,532 | 41 km |
| 2008 | UNNAMED | 2,407 | 45 km |
| 2010 | UNNAMED | 2,330 | 43 km |
| 2018 | UNNAMED | 2,262 | 38 km |
| 2009 | UNNAMED | 2,228 | 52 km |
| 2009 | UNNAMED | 2,216 | 45 km |
| 2020 | C-56 RX BURN | 2,183 | 43 km |
| 2018 | C- 80 RX BURN | 2,173 | 49 km |
| 2010 | C-142 RX | 2,149 | 97 km |
| 2020 | C-249 LC | 2,084 | 75 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (6°C) | 4.6 in | Coldest |
| February | 48°F (9°C) | 4.1 in | |
| March | 55°F (13°C) | 4.8 in | Wettest |
| April | 62°F (17°C) | 3.2 in | |
| May | 70°F (21°C) | 3.7 in | |
| June | 77°F (25°C) | 4.7 in | |
| July | 80°F (27°C) | 4.8 in | Warmest |
| August | 79°F (26°C) | 4.7 in | |
| September | 74°F (23°C) | 3.3 in | |
| October | 63°F (17°C) | 3.1 in | |
| November | 54°F (12°C) | 2.8 in | Driest |
| December | 47°F (8°C) | 3.6 in |
Graniteville has a seasonal temperature swing of 37°F / from 44°F in January to 80°F in July. Total annual precipitation is 47.3 inches, with March being the wettest month (4.8") and November the driest (2.8").