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Weather & Climate in Sans Souci, SC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sans Souci enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 44°F in January while summers reach 81°F in July. The area gets 310 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 47.0 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 1,004 feet.
Temperature
44°F Jan (7°C)
81°F Jul (27°C)
| Annual Average | 63.3°F |
| 17% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 1,004 ft (306 m) |
| Area | 3.3 sq mi (8.6 km²) |
| Population Density | 2,477/sq mi |
| Coordinates | 34.8908°N, 82.4230°W |
| Timezone | America/New_York |
| County | Greenville County County |
| Nearest Airport | Greenville Spartanburg International (GSP) 12 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 94.0 / 100 |
| Social Vulnerability | 21.9 / 100 |
| Community Resilience | 57.3 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Very High |
| Ice Storm | Very High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
48 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 | 123 km | 5 km |
| Mar 18, 2003 | 11 km S of Rayle, Georgia | M3.5 | 140 km | 5 km |
| Jan 3, 1992 | 4 km ENE of Willington, South Carolina | M3.4 | 101 km | 3 km |
| Jun 16, 2006 | 9 km W of Maggie Valley, North Carolina | M3.4 | 99 km | 1 km |
| Jun 4, 2023 | 4 km NNW of West Canton, North Carolina | M3.2 | 87 km | 0 km |
| Aug 23, 2025 | 3 km N of Coronaca, South Carolina | M3.0 | 74 km | 2 km |
| Feb 16, 2014 | 13 km WNW of Edgefield, South Carolina | M3.0 | 122 km | 7 km |
| Jan 1, 1993 | 4 km SSW of Spruce Pine, North Carolina | M3.0 | 114 km | 2 km |
| Aug 4, 2007 | 12 km ENE of Lake Lure, North Carolina | M3.0 | 73 km | 9 km |
| Feb 18, 2005 | 7 km ENE of Irmo, South Carolina | M2.9 | 148 km | 1 km |
| Aug 23, 2025 | 3 km NNW of Coronaca, South Carolina | M2.9 | 73 km | 7 km |
| Sep 18, 1996 | 6 km E of Clarks Hill, South Carolina | M2.8 | 138 km | 14 km |
| Apr 26, 2013 | 9 km E of Lincolnton, Georgia | M2.8 | 124 km | 12 km |
| Jul 5, 1996 | 7 km WNW of Marble, North Carolina | M2.8 | 148 km | 5 km |
| Mar 6, 2006 | 3 km W of Burnsville, North Carolina | M2.8 | 114 km | 4 km |
| Feb 12, 2021 | 8 km SW of Banner Hill, Tennessee | M2.8 | 131 km | 3 km |
| May 23, 2023 | 4 km N of West Canton, North Carolina | M2.8 | 86 km | 1 km |
| Aug 14, 2025 | 7 km N of Columbus, North Carolina | M2.7 | 52 km | 6 km |
| Jul 5, 2025 | 11 km ENE of Parksville, South Carolina | M2.7 | 123 km | 4 km |
| Mar 21, 2004 | 16 km ENE of Lake Lure, North Carolina | M2.7 | 76 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 1989 | Hugo | Category 4 | 138 mph | 123 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
374 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 16 fatalities, 473 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 5, 1989 | EF4 | 50 km | 15.0 mi | 2 |
| Dec 13, 1973 | EF4 | 87 km | 1.0 mi | 2 |
| Mar 31, 1973 | EF4 | 91 km | 22.6 mi | 7 |
| Apr 13, 2020 | EF3 | 68 km | 16.7 mi | 1 |
| Mar 15, 2008 | EF3 | 95 km | 27.5 mi | 0 |
| Aug 16, 1994 | EF3 | 87 km | 30.0 mi | 0 |
| Mar 27, 1994 | EF3 | 94 km | 28.0 mi | 0 |
| Apr 8, 1974 | EF3 | 60 km | 1.0 mi | 0 |
| Dec 13, 1973 | EF3 | 73 km | 10.7 mi | 0 |
| Dec 13, 1973 | EF3 | 88 km | 17.7 mi | 0 |
| May 27, 1973 | EF3 | 13 km | 60.2 mi | 0 |
| May 10, 1952 | EF3 | 19 km | 22.7 mi | 2 |
| Mar 23, 2022 | EF2 | 37 km | 6.3 mi | 0 |
| May 3, 2021 | EF2 | 84 km | 29.4 mi | 0 |
| Apr 25, 2020 | EF2 | 3 km | 5.5 mi | 0 |
| Apr 13, 2020 | EF2 | 24 km | 8.0 mi | 0 |
| Feb 6, 2020 | EF2 | 97 km | 8.7 mi | 0 |
| Oct 23, 2017 | EF2 | 68 km | 4.9 mi | 0 |
| Oct 23, 2017 | EF2 | 41 km | 3.0 mi | 0 |
| Oct 8, 2017 | EF2 | 34 km | 8.4 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: PARTY ROCK (8,572 acres, 2016).
| Year | Name | Acres Burned | Distance |
| 2016 | PARTY ROCK | 8,572 | 67 km |
| 2016 | PINNACLE MOUNTAIN | 7,869 | 33 km |
| 2010 | BURNING UNIT | 5,567 | 93 km |
| 2022 | LOST BEAR RX FY2022 | 4,276 | 93 km |
| 2016 | CLEAR CREEK | 3,493 | 96 km |
| 2010 | C-94-95 133 RX | 3,192 | 82 km |
| 2010 | UNNAMED | 2,909 | 85 km |
| 2017 | UNNAMED | 2,514 | 70 km |
| 2009 | UNNAMED | 2,458 | 99 km |
| 2020 | CHAMBERS-GRAPE-HICKORY AP | 2,421 | 71 km |
| 2017 | UNNAMED | 2,395 | 72 km |
| 2017 | UNNAMED | 2,362 | 78 km |
| 2013 | UNNAMED | 2,274 | 99 km |
| 2013 | UNNAMED | 2,237 | 70 km |
| 2013 | LOST BEAR EAST | 2,167 | 93 km |
| 2010 | C-142 RX | 2,149 | 85 km |
| 2021 | UNNAMED | 2,024 | 77 km |
| 2019 | UNNAMED | 2,000 | 73 km |
| 2016 | UNNAMED | 1,964 | 94 km |
| 2009 | UNNAMED | 1,918 | 89 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 5.0 in | |
| February | 44°F (7°C) | 4.7 in | |
| March | 51°F (11°C) | 5.8 in | Wettest |
| April | 59°F (15°C) | 4.0 in | Driest |
| May | 67°F (19°C) | 4.9 in | |
| June | 74°F (23°C) | 4.5 in | |
| July | 81°F (27°C) | 4.9 in | Warmest |
| August | 77°F (25°C) | 4.7 in | |
| September | 71°F (22°C) | 4.1 in | |
| October | 60°F (16°C) | 4.5 in | |
| November | 51°F (10°C) | 4.3 in | |
| December | 43°F (6°C) | 4.6 in | Coldest |
Sans Souci has a seasonal temperature swing of 38°F / from 43°F in December to 81°F in July. Total annual precipitation is 55.8 inches, with March being the wettest month (5.8") and April the driest (4.0").