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Weather & Climate in Summerville, GA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Summerville enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 41°F in January while summers reach 79°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 58.3 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 44. The city sits at an elevation of 644 feet.
Temperature
41°F Jan (5°C)
79°F Jul (26°C)
| Annual Average | 59.8°F |
| 11% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 644 ft (196 m) |
| Area | 4.0 sq mi (10.4 km²) |
| Population Density | 1,096/sq mi |
| Coordinates | 34.4788°N, 85.3491°W |
| Timezone | America/New_York |
| County | Chattooga County County |
| Nearest Airport | Richard B Russell Regional - J H Towers Field (RMG) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 54.4 / 100 |
| Social Vulnerability | 83.0 / 100 |
| Community Resilience | 22.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
111 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Apr 29, 2003 | 8 km S of Valley Head, Alabama | M4.6 | 26 km | 20 km |
| Dec 8, 2001 | 5 km SW of Pleasant Groves, Alabama | M3.9 | 85 km | 0 km |
| Jul 5, 1995 | 12 km ESE of Tellico Plains, Tennessee | M3.7 | 144 km | 10 km |
| Jul 19, 1997 | 12 km E of Cohutta, Georgia | M3.5 | 72 km | 3 km |
| Jun 19, 2007 | 10 km ENE of Spencer, Tennessee | M3.5 | 146 km | 1 km |
| Mar 18, 1995 | 10 km SE of Dayton, Tennessee | M3.3 | 111 km | 26 km |
| Apr 11, 2006 | 5 km NE of Etowah, Tennessee | M3.3 | 126 km | 20 km |
| Apr 5, 1994 | 10 km N of Trenton, Georgia | M3.2 | 56 km | 24 km |
| Mar 21, 2001 | 7 km ESE of Trenton, Georgia | M3.2 | 42 km | 0 km |
| May 6, 2010 | 11 km ENE of Whitesboro, Alabama | M3.2 | 64 km | 5 km |
| Mar 7, 2001 | 5 km WNW of Decatur, Tennessee | M3.2 | 126 km | 18 km |
| Mar 7, 2001 | 6 km NW of Decatur, Tennessee | M3.2 | 128 km | 7 km |
| May 10, 2006 | 3 km WNW of Madisonville, Tennessee | M3.2 | 146 km | 25 km |
| Aug 1, 2009 | 8 km ENE of Ducktown, Tennessee | M3.2 | 116 km | 5 km |
| May 10, 2020 | 7 km SSE of Sewanee, Tennessee | M3.1 | 89 km | 8 km |
| Oct 30, 1991 | 9 km NNE of Eton, Georgia | M3.1 | 75 km | 8 km |
| Jun 23, 2008 | 10 km ESE of Cohutta, Georgia | M3.1 | 68 km | 9 km |
| May 2, 2003 | 8 km S of Valley Head, Alabama | M3.1 | 24 km | 15 km |
| Apr 29, 2003 | 7 km E of Fort Payne, Alabama | M3.1 | 27 km | 3 km |
| Jan 15, 1993 | 1 km N of Apison, Tennessee | M3.1 | 69 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2018 | Michael | Category 1 | — | 297 km |
| 1995 | Opal | Category 1 | — | 285 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
499 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 134 fatalities, 1,763 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 27, 2011 | EF5 | 59 km | 36.6 mi | 25 |
| Apr 27, 2011 | EF4 | 60 km | 47.0 mi | 14 |
| Apr 27, 2011 | EF4 | 96 km | 40.2 mi | 4 |
| Apr 27, 2011 | EF4 | 47 km | 48.0 mi | 20 |
| Apr 27, 2011 | EF4 | 62 km | 30.2 mi | 1 |
| Apr 24, 2010 | EF4 | 36 km | 16.6 mi | 0 |
| Feb 6, 2008 | EF4 | 50 km | 10.9 mi | 1 |
| Mar 27, 1994 | EF4 | 49 km | 49.0 mi | 3 |
| Nov 22, 1992 | EF4 | 88 km | 20.0 mi | 0 |
| Apr 3, 1974 | EF4 | 28 km | 29.5 mi | 9 |
| Apr 3, 1974 | EF4 | 94 km | 17.7 mi | 6 |
| May 19, 1973 | EF4 | 37 km | 5.4 mi | 0 |
| May 8, 2024 | EF3 | 50 km | 12.3 mi | 0 |
| Apr 12, 2020 | EF3 | 52 km | 19.3 mi | 2 |
| Mar 19, 2018 | EF3 | 89 km | 35.0 mi | 0 |
| Nov 30, 2016 | EF3 | 46 km | 13.5 mi | 4 |
| Nov 30, 2016 | EF3 | 90 km | 4.6 mi | 2 |
| Apr 28, 2014 | EF3 | 72 km | 11.7 mi | 0 |
| Jan 30, 2013 | EF3 | 40 km | 21.8 mi | 1 |
| Mar 2, 2012 | EF3 | 68 km | 29.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: ROUGH RIDGE (27,610 acres, 2016).
| Year | Name | Acres Burned | Distance |
| 2016 | ROUGH RIDGE | 27,610 | 84 km |
| 2014 | UNNAMED | 7,740 | 79 km |
| 2013 | UNNAMED | 6,320 | 84 km |
| 2016 | UNNAMED | 5,844 | 74 km |
| 2024 | RX - O63 CHESTNUT MTN | 4,570 | 92 km |
| 2001 | UNNAMED | 4,213 | 92 km |
| 2014 | HOUCK CREEK | 3,857 | 85 km |
| 2021 | DUTCH CREEK | 3,845 | 95 km |
| 2022 | SC 540C/CHOCCOLOCCO | 3,750 | 74 km |
| 2020 | SC WEST END C AND D | 3,538 | 79 km |
| 2010 | UPPER SHOAL | 3,512 | 79 km |
| 2008 | UNNAMED | 3,410 | 81 km |
| 2018 | HOUCK CREEK | 3,188 | 85 km |
| 2007 | PENTECOST | 3,095 | 59 km |
| 2010 | BANKHEAD I | 3,027 | 90 km |
| 2016 | UNNAMED | 2,908 | 76 km |
| 2024 | AL-MLR UNITS 2/3 RX | 2,836 | 91 km |
| 2013 | UNNAMED | 2,777 | 90 km |
| 1987 | STATEC0045 | 2,669 | 17 km |
| 2010 | ML 0301 RX BURN | 2,631 | 91 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 5.4 in | Coldest |
| February | 43°F (6°C) | 5.2 in | |
| March | 51°F (11°C) | 6.5 in | Wettest |
| April | 59°F (15°C) | 4.9 in | |
| May | 67°F (19°C) | 4.5 in | |
| June | 74°F (23°C) | 4.1 in | |
| July | 79°F (26°C) | 4.6 in | Warmest |
| August | 77°F (25°C) | 3.6 in | |
| September | 71°F (22°C) | 4.2 in | |
| October | 60°F (16°C) | 3.4 in | Driest |
| November | 50°F (10°C) | 4.2 in | |
| December | 43°F (6°C) | 5.2 in |
Summerville has a seasonal temperature swing of 38°F / from 41°F in January to 79°F in July. Total annual precipitation is 55.8 inches, with March being the wettest month (6.5") and October the driest (3.4").