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Weather & Climate in Sylvania, GA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sylvania enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 47°F in January while summers reach 81°F in July. The area gets 308 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 48.4 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 224 feet.
Temperature
47°F Jan (8°C)
81°F Jul (27°C)
| Annual Average | 64.4°F |
| 19% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 308 days/yr |
Geography
| Elevation | 224 ft (68 m) |
| Area | 5.1 sq mi (13.2 km²) |
| Population Density | 519/sq mi |
| Coordinates | 32.7472°N, 81.6407°W |
| Timezone | America/New_York |
| County | Screven County County |
| Nearest Airport | Barnwell Regional (BNL) 38 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 43.9 / 100 |
| Social Vulnerability | 85.6 / 100 |
| Community Resilience | 36.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | No Rating |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
57 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 | 126 km | 5 km |
| Aug 21, 1992 | 1 km SSE of Centerville, South Carolina | M4.1 | 141 km | 7 km |
| Jun 18, 2022 | 7 km E of Stillmore, Georgia | M3.9 | 57 km | 1 km |
| Apr 17, 1995 | 0 km NNW of Centerville, South Carolina | M3.9 | 140 km | 8 km |
| Jul 13, 2003 | 6 km N of Cobbtown, Georgia | M3.6 | 66 km | 5 km |
| Nov 13, 1990 | 4 km SSW of Ladson, South Carolina | M3.5 | 142 km | 3 km |
| Aug 8, 1993 | 12 km ENE of Aiken, South Carolina | M3.2 | 95 km | 9 km |
| Aug 29, 2009 | 2 km NE of Summerville, South Carolina | M3.2 | 142 km | 5 km |
| Jun 20, 2017 | 6 km SW of Augusta, Georgia | M3.2 | 83 km | 13 km |
| Dec 7, 2009 | 4 km WNW of Deepstep, Georgia | M3.2 | 132 km | 7 km |
| May 5, 2003 | 4 km NNW of Summerville, South Carolina | M3.1 | 140 km | 11 km |
| Jul 20, 2004 | 7 km WSW of Centerville, South Carolina | M3.1 | 133 km | 10 km |
| Mar 29, 1999 | 3 km NNW of Sangaree, South Carolina | M3.0 | 145 km | 11 km |
| Jul 26, 2002 | 4 km NNW of Summerville, South Carolina | M3.0 | 139 km | 10 km |
| Mar 19, 2014 | 0 km WNW of Centerville, South Carolina | M3.0 | 139 km | 7 km |
| Feb 16, 2014 | 13 km WNW of Edgefield, South Carolina | M3.0 | 127 km | 7 km |
| Mar 2, 2003 | 7 km S of Centerville, South Carolina | M2.9 | 139 km | 7 km |
| Jul 7, 2002 | 1 km NW of Sangaree, South Carolina | M2.9 | 145 km | 11 km |
| Feb 7, 1990 | 9 km S of Centerville, South Carolina | M2.9 | 139 km | 9 km |
| May 12, 2010 | 6 km SSW of Ladson, South Carolina | M2.8 | 142 km | 1 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
16 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Helene | Category 2 | 109 mph | 224 km |
| 2023 | Idalia | Category 1 | — | 233 km |
| 2022 | Ian | Category 1 | 86 mph | 236 km |
| 2020 | Isaias | Category 1 | 92 mph | 222 km |
| 2019 | Dorian | Category 3 | 115 mph | 236 km |
| 2018 | Michael | Category 1 | 92 mph | 224 km |
| 2016 | Matthew | Category 3 | 109 mph | 129 km |
| 2014 | Arthur | Category 1 | 92 mph | 287 km |
| 2004 | Charley | Category 1 | 86 mph | 189 km |
| 2004 | Gaston | Category 1 | 75 mph | 193 km |
| 1999 | Floyd | Category 2 | 109 mph | 285 km |
| 1999 | Irene | Category 1 | 81 mph | 233 km |
| 1989 | Hugo | Category 4 | 138 mph | 150 km |
| 1985 | Bob | Category 1 | 75 mph | 123 km |
| 1985 | Kate | Category 1 | 75 mph | 223 km |
| 1984 | Diana | Category 2 | 98 mph | 287 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
358 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 15 fatalities, 376 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 5, 2022 | EF4 | 70 km | 14.4 mi | 1 |
| Apr 13, 2020 | EF4 | 33 km | 23.7 mi | 5 |
| Apr 5, 2022 | EF3 | 56 km | 34.5 mi | 0 |
| Apr 5, 2022 | EF3 | 32 km | 13.3 mi | 0 |
| Apr 13, 2020 | EF3 | 59 km | 37.9 mi | 0 |
| Apr 13, 2020 | EF3 | 67 km | 35.7 mi | 2 |
| Apr 13, 2020 | EF3 | 71 km | 1.4 mi | 0 |
| Apr 13, 2020 | EF3 | 59 km | 8.5 mi | 0 |
| Apr 13, 2020 | EF3 | 62 km | 5.4 mi | 0 |
| Apr 10, 2009 | EF3 | 99 km | 17.7 mi | 0 |
| Apr 10, 2009 | EF3 | 76 km | 14.6 mi | 0 |
| Apr 10, 2009 | EF3 | 66 km | 26.3 mi | 0 |
| May 11, 2008 | EF3 | 77 km | 7.3 mi | 0 |
| May 11, 2008 | EF3 | 99 km | 7.7 mi | 0 |
| Mar 15, 2008 | EF3 | 91 km | 10.1 mi | 0 |
| Apr 9, 1998 | EF3 | 64 km | 8.0 mi | 2 |
| Apr 23, 1983 | EF3 | 50 km | 33.0 mi | 0 |
| Jan 13, 1972 | EF3 | 70 km | 33.6 mi | 0 |
| Jan 9, 2024 | EF2 | 81 km | 2.1 mi | 0 |
| Apr 13, 2020 | EF2 | 65 km | 16.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (12,186 acres, 2008).
| Year | Name | Acres Burned | Distance |
| 2008 | UNNAMED | 12,186 | 80 km |
| 2007 | UNNAMED | 10,963 | 82 km |
| 2008 | UNNAMED | 10,163 | 85 km |
| 2009 | UNNAMED | 8,427 | 64 km |
| 2008 | UNNAMED | 4,291 | 75 km |
| 2010 | UNNAMED | 4,269 | 74 km |
| 2008 | UNNAMED | 4,021 | 78 km |
| 2010 | UNNAMED | 3,746 | 79 km |
| 2010 | UNNAMED | 3,521 | 70 km |
| 1994 | UNNAMED | 3,469 | 58 km |
| 2010 | UNNAMED | 2,990 | 57 km |
| 2010 | UNNAMED | 2,968 | 67 km |
| 2004 | UNNAMED | 2,880 | 70 km |
| 2008 | UNNAMED | 2,845 | 87 km |
| 2010 | UNNAMED | 2,796 | 53 km |
| 2008 | UNNAMED | 2,768 | 93 km |
| 2008 | UNNAMED | 2,748 | 78 km |
| 2008 | UNNAMED | 2,711 | 52 km |
| 2008 | UNNAMED | 2,650 | 81 km |
| 2004 | UNNAMED | 2,553 | 57 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (8°C) | 4.2 in | Coldest |
| February | 51°F (10°C) | 4.0 in | |
| March | 58°F (14°C) | 4.5 in | |
| April | 64°F (18°C) | 3.0 in | |
| May | 72°F (22°C) | 4.0 in | |
| June | 78°F (26°C) | 5.0 in | |
| July | 81°F (27°C) | 5.2 in | Warmest |
| August | 80°F (27°C) | 5.5 in | Wettest |
| September | 75°F (24°C) | 3.7 in | |
| October | 65°F (19°C) | 2.4 in | Driest |
| November | 57°F (14°C) | 2.5 in | |
| December | 50°F (10°C) | 3.5 in |
Sylvania has a seasonal temperature swing of 35°F / from 47°F in January to 81°F in July. Total annual precipitation is 47.4 inches, with August being the wettest month (5.5") and October the driest (2.4").