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Weather & Climate in Mullins, SC

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Mullins enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 43°F in January while summers reach 80°F in July. The area gets 301 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 53.2 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 98 feet.

Temperature

43°F Jan (6°C) 80°F Jul (27°C)
Annual Average61.9°F
15% above US avg
January Average43°F (6°C)
July Average80°F (27°C)
Sunny Days301 days/yr

Geography

Elevation98 ft (30 m)
Area3.1 sq mi (7.9 km²)
Population Density1,243/sq mi
Coordinates34.2040°N, 79.2536°W
TimezoneAmerica/New_York
CountyMarion County County
Nearest AirportFlorence Regional (FLO)
27 miles away

Precipitation & Snow

Annual Rainfall 53.2"
40% above US avg
Wettest Month (Jul) 5.87"
Driest Month (Nov) 2.83"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score80.7 / 100
Social Vulnerability93.8 / 100
Community Resilience26.9 / 100

Hazard Breakdown

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

Earthquake History

15 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.

Apr 13, 1998 9 km S of Kershaw, South Carolina M3.9 127 km 7 km
Jun 29, 2022 6 km E of Elgin, South Carolina M3.6 136 km 3 km
Jun 29, 2022 6 km E of Elgin, South Carolina M3.5 136 km 3 km
Jun 26, 2022 6 km E of Elgin, South Carolina M3.4 135 km 4 km
May 9, 2022 5 km ESE of Elgin, South Carolina M3.3 136 km 4 km
Jan 29, 1994 12 km NNE of Alcolu, South Carolina M2.9 91 km 2 km
Mar 21, 2011 9 km S of Cordova, North Carolina M2.9 87 km 8 km
May 10, 2022 5 km E of Elgin, South Carolina M2.8 136 km 2 km
Mar 9, 2024 5 km E of Elgin, South Carolina M2.7 136 km 3 km
Jan 5, 2022 5 km SW of Lugoff, South Carolina M2.6 136 km 0 km
Apr 26, 2025 6 km E of Elgin, South Carolina M2.6 135 km 2 km
May 10, 2022 6 km E of Elgin, South Carolina M2.6 135 km 2 km
Jan 3, 2022 5 km S of Lugoff, South Carolina M2.5 133 km 2 km
Sep 15, 2024 6 km E of Elgin, South Carolina M2.5 135 km 2 km
Jul 29, 2012 7 km NNW of Wallace, South Carolina M2.5 85 km 14 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

22 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.

Year Name Category Max Wind Closest
2022 Ian Category 1 81 mph 101 km
2020 Isaias Category 1 92 mph 77 km
2019 Dorian Category 3 115 mph 151 km
2018 Florence Category 2 104 mph 82 km
2016 Matthew Category 2 98 mph 82 km
2014 Arthur Category 2 98 mph 154 km
2011 Irene Category 1 86 mph 235 km
2005 Ophelia Category 1 86 mph 163 km
2004 Alex Category 2 98 mph 215 km
2004 Charley Category 1 81 mph 68 km
2004 Gaston Category 1 75 mph 138 km
2003 Isabel Category 2 104 mph 271 km
1999 Irene Category 2 92 mph 179 km
1999 Floyd Category 2 104 mph 124 km
1999 Dennis Category 2 104 mph 219 km
1998 Bonnie Category 3 115 mph 143 km
1996 Fran Category 3 115 mph 106 km
1996 Bertha Category 2 104 mph 126 km
1989 Hugo Category 4 138 mph 124 km
1986 Charley Category 1 75 mph 245 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

382 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 56 fatalities, 1,325 injuries.

Date Rating Distance Path Fatalities
Nov 7, 1995 EF4 12 km 0.7 mi 0
Mar 28, 1984 EF4 67 km 17.0 mi 7
Mar 28, 1984 EF4 74 km 7.0 mi 0
Mar 28, 1984 EF4 57 km 40.0 mi 4
Apr 8, 1957 EF4 53 km 0.8 mi 0
Feb 15, 2021 EF3 76 km 21.9 mi 3
Apr 16, 2011 EF3 91 km 52.9 mi 2
Nov 16, 2006 EF3 94 km 2.2 mi 8
Mar 28, 1984 EF3 78 km 40.0 mi 12
May 20, 1980 EF3 33 km 10.7 mi 0
Apr 18, 1969 EF3 84 km 77.3 mi 0
Nov 24, 1967 EF3 31 km 3.3 mi 0
Aug 17, 1965 EF3 68 km 0.3 mi 0
Aug 29, 1964 EF3 68 km 21.9 mi 0
Oct 9, 1950 EF3 60 km 2.0 mi 0
Apr 13, 2020 EF2 81 km 4.6 mi 0
Sep 5, 2019 EF2 80 km 9.3 mi 0
Apr 16, 2011 EF2 57 km 13.1 mi 1
Apr 16, 2011 EF2 90 km 29.9 mi 3
Apr 25, 2010 EF2 61 km 3.0 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: HIGHWAY 31 (17,004 acres, 2009).

Year Name Acres Burned Distance
2009 HIGHWAY 31 17,004 58 km
1991 UNNAMED 3,968 79 km
1997 UNNAMED 3,111 65 km
1985 UNNAMED 2,743 81 km
1986 UNNAMED 2,642 96 km
2001 UNNAMED 2,204 61 km
2007 LONGBRANCH-ROBESON COMPLEX 1,944 42 km
1998 981406 1,892 95 km
1994 CM 15 16 17 1,871 93 km
2009 UNNAMED 1,870 70 km
2021 SLATES CHURCH FIRE 1,824 88 km
1998 980803 1,780 97 km
2008 UNNAMED 1,754 88 km
2016 COUNTY LINE ROAD FIRE 1,704 93 km
1992 COMP 15 1,697 96 km
2018 SCCRR-FY18-RX-COMP-14 1,687 97 km
2010 UNNAMED 1,683 72 km
2002 LEGENDS 1,666 57 km
2012 4-NOV 1,636 97 km
1993 UNNAMED 1,623 97 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 43°F (6°C) 3.9 in Coldest
February 47°F (8°C) 3.7 in
March 54°F (12°C) 4.4 in
April 62°F (17°C) 2.9 in
May 70°F (21°C) 4.0 in
June 77°F (25°C) 4.8 in
July 80°F (27°C) 5.9 in Warmest, Wettest
August 79°F (26°C) 5.6 in
September 74°F (23°C) 3.9 in
October 63°F (17°C) 3.0 in
November 55°F (13°C) 2.8 in Driest
December 47°F (8°C) 3.3 in

Mullins has a seasonal temperature swing of 37°F / from 43°F in January to 80°F in July. Total annual precipitation is 48.2 inches, with July being the wettest month (5.9") and November the driest (2.8").

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