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Weather & Climate in Moncks Corner, SC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Moncks Corner enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 49°F in January while summers reach 83°F in July. The area gets 304 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 52.3 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 47 feet.
Temperature
49°F Jan (9°C)
83°F Jul (29°C)
| Annual Average | 66.1°F |
| 22% above US avg | |
| January Average | 49°F (9°C) |
| July Average | 83°F (29°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 47 ft (14 m) |
| Area | 11.5 sq mi (29.8 km²) |
| Population Density | 1,249/sq mi |
| Coordinates | 33.1998°N, 79.9866°W |
| Timezone | America/New_York |
| County | Berkeley County County |
| Nearest Airport | Charleston Afb/International (CHS) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 94.8 / 100 |
| Social Vulnerability | 14.8 / 100 |
| Community Resilience | 62.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very High |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
46 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Aug 21, 1992 | 1 km SSE of Centerville, South Carolina | M4.1 | 29 km | 7 km |
| Apr 17, 1995 | 0 km NNW of Centerville, South Carolina | M3.9 | 28 km | 8 km |
| Jun 29, 2022 | 6 km E of Elgin, South Carolina | M3.6 | 127 km | 3 km |
| Nov 8, 2002 | 24 km SSE of Kiawah Island, South Carolina | M3.5 | 87 km | 4 km |
| Nov 13, 1990 | 4 km SSW of Ladson, South Carolina | M3.5 | 31 km | 3 km |
| Jun 29, 2022 | 6 km E of Elgin, South Carolina | M3.5 | 128 km | 3 km |
| Jun 26, 2022 | 6 km E of Elgin, South Carolina | M3.4 | 127 km | 4 km |
| May 9, 2022 | 5 km ESE of Elgin, South Carolina | M3.3 | 127 km | 4 km |
| Aug 29, 2009 | 2 km NE of Summerville, South Carolina | M3.2 | 25 km | 5 km |
| May 5, 2003 | 4 km NNW of Summerville, South Carolina | M3.1 | 25 km | 11 km |
| Jul 20, 2004 | 7 km WSW of Centerville, South Carolina | M3.1 | 35 km | 10 km |
| Mar 29, 1999 | 3 km NNW of Sangaree, South Carolina | M3.0 | 21 km | 11 km |
| Mar 19, 2014 | 0 km WNW of Centerville, South Carolina | M3.0 | 29 km | 7 km |
| Jul 26, 2002 | 4 km NNW of Summerville, South Carolina | M3.0 | 25 km | 10 km |
| Feb 18, 2005 | 7 km ENE of Irmo, South Carolina | M2.9 | 146 km | 1 km |
| Jul 7, 2002 | 1 km NW of Sangaree, South Carolina | M2.9 | 22 km | 11 km |
| Jan 29, 1994 | 12 km NNE of Alcolu, South Carolina | M2.9 | 74 km | 2 km |
| Mar 2, 2003 | 7 km S of Centerville, South Carolina | M2.9 | 34 km | 7 km |
| Feb 7, 1990 | 9 km S of Centerville, South Carolina | M2.9 | 36 km | 9 km |
| Jul 31, 2012 | 5 km S of Centerville, South Carolina | M2.8 | 33 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
20 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Ian | Category 1 | 86 mph | 74 km |
| 2020 | Isaias | Category 1 | 92 mph | 94 km |
| 2019 | Dorian | Category 3 | 115 mph | 116 km |
| 2018 | Florence | Category 2 | 98 mph | 172 km |
| 2016 | Matthew | Category 2 | 109 mph | 51 km |
| 2014 | Arthur | Category 2 | 98 mph | 161 km |
| 2011 | Irene | Category 2 | 92 mph | 293 km |
| 2005 | Ophelia | Category 1 | 86 mph | 185 km |
| 2004 | Charley | Category 1 | 81 mph | 59 km |
| 2004 | Gaston | Category 1 | 75 mph | 42 km |
| 2004 | Alex | Category 1 | 81 mph | 212 km |
| 1999 | Floyd | Category 2 | 109 mph | 159 km |
| 1999 | Dennis | Category 2 | 104 mph | 214 km |
| 1999 | Irene | Category 1 | 92 mph | 145 km |
| 1998 | Bonnie | Category 3 | 115 mph | 204 km |
| 1996 | Fran | Category 3 | 115 mph | 191 km |
| 1996 | Bertha | Category 2 | 104 mph | 163 km |
| 1989 | Hugo | Category 4 | 138 mph | 44 km |
| 1985 | Bob | Category 1 | 75 mph | 121 km |
| 1984 | Diana | Category 4 | 132 mph | 162 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
352 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 11 fatalities, 173 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 13, 2020 | EF3 | 2 km | 5.7 mi | 0 |
| Mar 15, 2008 | EF3 | 81 km | 10.1 mi | 0 |
| Apr 15, 2007 | EF3 | 81 km | 19.0 mi | 1 |
| Dec 10, 2004 | EF3 | 89 km | 1.5 mi | 0 |
| Sep 11, 1960 | EF3 | 49 km | 8.8 mi | 0 |
| Jan 9, 2024 | EF2 | 99 km | 2.1 mi | 0 |
| Apr 5, 2022 | EF2 | 59 km | 2.8 mi | 0 |
| Apr 13, 2020 | EF2 | 86 km | 1.2 mi | 0 |
| Apr 13, 2020 | EF2 | 78 km | 10.2 mi | 0 |
| Apr 13, 2020 | EF2 | 89 km | 4.6 mi | 0 |
| Apr 19, 2019 | EF2 | 42 km | 2.9 mi | 0 |
| Apr 19, 2019 | EF2 | 85 km | 10.6 mi | 0 |
| Apr 3, 2017 | EF2 | 86 km | 6.7 mi | 0 |
| Sep 24, 2015 | EF2 | 54 km | 6.9 mi | 0 |
| May 11, 2008 | EF2 | 60 km | 12.0 mi | 0 |
| Dec 10, 2004 | EF2 | 89 km | 0.5 mi | 0 |
| Sep 7, 2004 | EF2 | 100 km | 2.5 mi | 0 |
| Sep 7, 2004 | EF2 | 84 km | 4.0 mi | 0 |
| Oct 11, 2002 | EF2 | 67 km | 1.2 mi | 0 |
| Sep 3, 1998 | EF2 | 3 km | 7.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1886 | CHARLESTON, SC | Earthquake | — | — | 33 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (13,429 acres, 2004).
| Year | Name | Acres Burned | Distance |
| 2004 | UNNAMED | 13,429 | 32 km |
| 2005 | UNNAMED | 11,023 | 28 km |
| 2005 | UNNAMED | 8,560 | 10 km |
| 2009 | UNNAMED | 8,439 | 11 km |
| 1997 | MURRELL | 5,126 | 40 km |
| 2017 | UNNAMED | 4,893 | 24 km |
| 2014 | UNNAMED | 4,890 | 35 km |
| 2008 | UNNAMED | 4,852 | 35 km |
| 2017 | UNNAMED | 4,813 | 40 km |
| 2016 | UNNAMED | 4,336 | 11 km |
| 2008 | UNNAMED | 3,955 | 31 km |
| 2010 | UNNAMED | 3,759 | 29 km |
| 2003 | LITTLE HELLHOLE | 3,724 | 13 km |
| 2009 | UNNAMED | 3,641 | 39 km |
| 2001 | UNNAMED | 3,481 | 79 km |
| 2015 | UNNAMED | 3,367 | 43 km |
| 2017 | UNNAMED | 3,217 | 21 km |
| 1997 | UNNAMED | 3,111 | 81 km |
| 2008 | UNNAMED | 3,104 | 29 km |
| 2017 | UNNAMED | 3,098 | 35 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (9°C) | 4.1 in | Coldest |
| February | 49°F (10°C) | 3.5 in | |
| March | 56°F (14°C) | 4.3 in | |
| April | 63°F (17°C) | 2.9 in | |
| May | 70°F (21°C) | 4.0 in | |
| June | 77°F (25°C) | 5.5 in | |
| July | 83°F (29°C) | 6.1 in | Warmest |
| August | 79°F (26°C) | 6.3 in | Wettest |
| September | 75°F (24°C) | 4.6 in | |
| October | 65°F (18°C) | 3.3 in | |
| November | 57°F (14°C) | 2.5 in | Driest |
| December | 50°F (10°C) | 3.4 in |
Moncks Corner has a seasonal temperature swing of 35°F / from 49°F in January to 83°F in July. Total annual precipitation is 50.4 inches, with August being the wettest month (6.3") and November the driest (2.5").