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Weather & Climate in Mount Vernon, GA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mount Vernon enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 49°F in January while summers reach 82°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 50.9 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 173 feet.
Temperature
49°F Jan (10°C)
82°F Jul (28°C)
| Annual Average | 66.1°F |
| 22% above US avg | |
| January Average | 49°F (10°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 173 ft (53 m) |
| Area | 4.1 sq mi (10.5 km²) |
| Population Density | 495/sq mi |
| Coordinates | 32.1852°N, 82.5966°W |
| Timezone | America/New_York |
| County | Montgomery County County |
| Nearest Airport | Vidalia Regional (VDI) 13 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 7.8 / 100 |
| Social Vulnerability | 77.4 / 100 |
| Community Resilience | 28.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
13 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Jun 18, 2022 | 7 km E of Stillmore, Georgia | M3.9 | 52 km | 1 km |
| Jul 13, 2003 | 6 km N of Cobbtown, Georgia | M3.6 | 46 km | 5 km |
| Jan 18, 2000 | 11 km SSE of Gray, Georgia | M3.5 | 115 km | 19 km |
| Dec 7, 2009 | 4 km WNW of Deepstep, Georgia | M3.2 | 102 km | 7 km |
| Jun 20, 2017 | 6 km SW of Augusta, Georgia | M3.2 | 148 km | 13 km |
| Apr 4, 2009 | 15 km N of Milledgeville, Georgia | M3.1 | 128 km | 0 km |
| Apr 6, 2017 | 6 km WSW of Sparta, Georgia | M2.7 | 127 km | 11 km |
| Jul 4, 2012 | 11 km NNE of Deepstep, Georgia | M2.7 | 108 km | 10 km |
| Apr 23, 1993 | 14 km E of Mount Zion, Georgia | M2.7 | 135 km | 0 km |
| May 3, 2011 | 6 km WNW of Mitchell, Georgia | M2.6 | 119 km | 28 km |
| Apr 6, 2017 | 6 km WSW of Sparta, Georgia | M2.5 | 127 km | 10 km |
| Mar 4, 1996 | 9 km SW of Soperton, Georgia | M2.5 | 16 km | 1 km |
| May 17, 1997 | 9 km SW of Soperton, Georgia | M2.5 | 16 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
14 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Helene | Category 4 | 138 mph | 119 km |
| 2024 | Debby | Category 1 | 81 mph | 265 km |
| 2023 | Idalia | Category 3 | 115 mph | 144 km |
| 2020 | Isaias | Category 1 | 75 mph | 294 km |
| 2019 | Dorian | Category 3 | 115 mph | 296 km |
| 2018 | Michael | Category 5 | 161 mph | 123 km |
| 2016 | Matthew | Category 3 | 115 mph | 198 km |
| 2016 | Hermine | Category 1 | 81 mph | 249 km |
| 2004 | Charley | Category 1 | 86 mph | 252 km |
| 2004 | Gaston | Category 1 | 75 mph | 295 km |
| 1999 | Irene | Category 1 | 75 mph | 295 km |
| 1989 | Hugo | Category 4 | 138 mph | 260 km |
| 1985 | Kate | Category 2 | 98 mph | 114 km |
| 1985 | Bob | Category 1 | 75 mph | 197 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
361 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 19 fatalities, 293 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 5, 2022 | EF4 | 89 km | 14.4 mi | 1 |
| May 11, 2008 | EF3 | 35 km | 7.3 mi | 0 |
| May 11, 2008 | EF3 | 17 km | 7.7 mi | 0 |
| Apr 9, 1998 | EF3 | 96 km | 8.0 mi | 2 |
| Jan 13, 1972 | EF3 | 79 km | 33.6 mi | 0 |
| Apr 8, 1957 | EF3 | 59 km | 14.7 mi | 1 |
| Apr 30, 1953 | EF3 | 91 km | 2.0 mi | 1 |
| Apr 24, 2021 | EF2 | 90 km | 8.2 mi | 0 |
| Apr 5, 2017 | EF2 | 40 km | 20.2 mi | 0 |
| Feb 9, 2017 | EF2 | 99 km | 9.8 mi | 0 |
| Feb 21, 2014 | EF2 | 56 km | 17.5 mi | 0 |
| Apr 5, 2011 | EF2 | 69 km | 3.1 mi | 1 |
| Dec 2, 2009 | EF2 | 82 km | 5.1 mi | 0 |
| Oct 27, 2009 | EF2 | 86 km | 0.8 mi | 0 |
| May 11, 2008 | EF2 | 21 km | 1.2 mi | 0 |
| May 11, 2008 | EF2 | 58 km | 7.5 mi | 0 |
| May 11, 2008 | EF2 | 66 km | 13.8 mi | 2 |
| Dec 15, 2007 | EF2 | 18 km | 3.5 mi | 0 |
| Apr 15, 2007 | EF2 | 55 km | 3.6 mi | 0 |
| Apr 15, 2007 | EF2 | 59 km | 5.4 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: SESSOM COMMUNITY FIRE (20,916 acres, 2011).
| Year | Name | Acres Burned | Distance |
| 2011 | SESSOM COMMUNITY FIRE | 20,916 | 86 km |
| 2008 | UNNAMED | 12,186 | 91 km |
| 2007 | UNNAMED | 10,963 | 98 km |
| 2008 | UNNAMED | 4,291 | 79 km |
| 2008 | UNNAMED | 4,021 | 97 km |
| 2011 | ELIM CHURCH RD. FIRE | 3,850 | 98 km |
| 1985 | UNNAMED | 2,335 | 95 km |
| 2007 | DREGGERS FIRE | 1,918 | 77 km |
| 2001 | UNNAMED | 1,613 | 84 km |
| 1999 | UNNAMED | 1,591 | 71 km |
| 1988 | UNNAMED | 1,490 | 76 km |
| 1999 | UNNAMED | 1,304 | 55 km |
| 2008 | UNNAMED | 1,288 | 86 km |
| 2011 | MOSLEY ROAD | 1,201 | 72 km |
| 2008 | UNNAMED | 1,134 | 94 km |
| 1999 | UNNAMED | 1,026 | 96 km |
| 2000 | UNNAMED | 1,024 | 50 km |
| 1998 | UNNAMED | 1,008 | 72 km |
| 2008 | UNNAMED | 972 | 98 km |
| 2008 | UNNAMED | 968 | 93 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (10°C) | 4.3 in | Coldest |
| February | 51°F (11°C) | 4.1 in | |
| March | 58°F (15°C) | 4.5 in | |
| April | 65°F (18°C) | 3.2 in | |
| May | 72°F (22°C) | 3.5 in | |
| June | 78°F (26°C) | 4.1 in | |
| July | 82°F (28°C) | 4.6 in | Warmest |
| August | 80°F (27°C) | 4.9 in | Wettest |
| September | 76°F (24°C) | 2.8 in | |
| October | 66°F (19°C) | 2.2 in | Driest |
| November | 58°F (14°C) | 2.5 in | |
| December | 51°F (10°C) | 3.7 in |
Mount Vernon has a seasonal temperature swing of 33°F / from 49°F in January to 82°F in July. Total annual precipitation is 44.3 inches, with August being the wettest month (4.9") and October the driest (2.2").