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Weather & Climate in Portal, GA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Portal 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 262 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 | 262 ft (80 m) |
| Area | 2.1 sq mi (5.4 km²) |
| Population Density | 327/sq mi |
| Coordinates | 32.5382°N, 81.9288°W |
| Timezone | America/New_York |
| County | Bulloch County County |
| Nearest Airport | Vidalia Regional (VDI) 35 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 75.4 / 100 |
| Social Vulnerability | 44.6 / 100 |
| Community Resilience | 46.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
27 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 | 143 km | 5 km |
| Jun 18, 2022 | 7 km E of Stillmore, Georgia | M3.9 | 22 km | 1 km |
| Jul 13, 2003 | 6 km N of Cobbtown, Georgia | M3.6 | 30 km | 5 km |
| Jan 18, 2000 | 11 km SSE of Gray, Georgia | M3.5 | 150 km | 19 km |
| Aug 8, 1993 | 12 km ENE of Aiken, South Carolina | M3.2 | 122 km | 9 km |
| Jun 20, 2017 | 6 km SW of Augusta, Georgia | M3.2 | 99 km | 13 km |
| Dec 7, 2009 | 4 km WNW of Deepstep, Georgia | M3.2 | 115 km | 7 km |
| Apr 4, 2009 | 15 km N of Milledgeville, Georgia | M3.1 | 141 km | 0 km |
| Feb 16, 2014 | 13 km WNW of Edgefield, South Carolina | M3.0 | 144 km | 7 km |
| Apr 26, 2013 | 9 km E of Lincolnton, Georgia | M2.8 | 144 km | 12 km |
| Sep 18, 1996 | 6 km E of Clarks Hill, South Carolina | M2.8 | 128 km | 14 km |
| Apr 6, 2017 | 6 km WSW of Sparta, Georgia | M2.7 | 131 km | 11 km |
| Apr 23, 1993 | 14 km E of Mount Zion, Georgia | M2.7 | 127 km | 0 km |
| Jul 4, 2012 | 11 km NNE of Deepstep, Georgia | M2.7 | 114 km | 10 km |
| Jan 7, 1992 | 5 km NNW of Edgefield, South Carolina | M2.7 | 144 km | 3 km |
| Sep 2, 2001 | 10 km SW of Plum Branch, South Carolina | M2.7 | 145 km | 21 km |
| Jul 5, 2025 | 11 km ENE of Parksville, South Carolina | M2.7 | 144 km | 4 km |
| Mar 27, 2009 | 1 km NW of Elko, South Carolina | M2.6 | 107 km | 2 km |
| May 3, 2011 | 6 km WNW of Mitchell, Georgia | M2.6 | 111 km | 28 km |
| Apr 21, 2017 | 3 km NE of Evans, Georgia | M2.5 | 114 km | 8 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 | 189 km |
| 2023 | Idalia | Category 3 | 115 mph | 200 km |
| 2022 | Ian | Category 1 | 86 mph | 266 km |
| 2020 | Isaias | Category 1 | 92 mph | 239 km |
| 2019 | Dorian | Category 3 | 115 mph | 252 km |
| 2018 | Michael | Category 3 | 92 mph | 192 km |
| 2016 | Matthew | Category 3 | 109 mph | 143 km |
| 2004 | Charley | Category 1 | 86 mph | 211 km |
| 2004 | Gaston | Category 1 | 75 mph | 224 km |
| 1999 | Irene | Category 1 | 81 mph | 247 km |
| 1989 | Hugo | Category 4 | 138 mph | 186 km |
| 1985 | Bob | Category 1 | 75 mph | 139 km |
| 1985 | Kate | Category 1 | 92 mph | 188 km |
| 1984 | Diana | Category 2 | 92 mph | 291 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
320 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 21 fatalities, 386 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 5, 2022 | EF4 | 53 km | 14.4 mi | 1 |
| Apr 13, 2020 | EF4 | 63 km | 23.7 mi | 5 |
| Apr 5, 2022 | EF3 | 68 km | 13.3 mi | 0 |
| Apr 5, 2022 | EF3 | 91 km | 34.5 mi | 0 |
| Apr 13, 2020 | EF3 | 85 km | 37.9 mi | 0 |
| Apr 13, 2020 | EF3 | 90 km | 8.5 mi | 0 |
| Apr 13, 2020 | EF3 | 100 km | 35.7 mi | 2 |
| Apr 13, 2020 | EF3 | 96 km | 5.4 mi | 0 |
| Apr 10, 2009 | EF3 | 97 km | 14.6 mi | 0 |
| Apr 10, 2009 | EF3 | 69 km | 26.3 mi | 0 |
| May 11, 2008 | EF3 | 65 km | 7.7 mi | 0 |
| May 11, 2008 | EF3 | 41 km | 7.3 mi | 0 |
| Apr 9, 1998 | EF3 | 52 km | 8.0 mi | 2 |
| Apr 23, 1983 | EF3 | 83 km | 33.0 mi | 0 |
| Jan 13, 1972 | EF3 | 56 km | 33.6 mi | 0 |
| Apr 13, 2020 | EF2 | 68 km | 16.5 mi | 0 |
| Feb 9, 2017 | EF2 | 41 km | 9.8 mi | 0 |
| Apr 19, 2015 | EF2 | 76 km | 4.7 mi | 0 |
| Feb 21, 2014 | EF2 | 98 km | 17.5 mi | 0 |
| Oct 27, 2009 | EF2 | 63 km | 0.8 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 | 63 km |
| 2007 | UNNAMED | 10,963 | 67 km |
| 2008 | UNNAMED | 10,163 | 70 km |
| 2009 | UNNAMED | 8,427 | 92 km |
| 2008 | UNNAMED | 4,291 | 53 km |
| 2010 | UNNAMED | 4,269 | 96 km |
| 2008 | UNNAMED | 4,021 | 64 km |
| 2011 | ELIM CHURCH RD. FIRE | 3,850 | 94 km |
| 2010 | UNNAMED | 3,746 | 100 km |
| 2010 | UNNAMED | 3,521 | 83 km |
| 1994 | UNNAMED | 3,469 | 79 km |
| 2010 | UNNAMED | 2,990 | 77 km |
| 2010 | UNNAMED | 2,968 | 95 km |
| 2004 | UNNAMED | 2,880 | 84 km |
| 2008 | UNNAMED | 2,845 | 80 km |
| 2010 | UNNAMED | 2,796 | 84 km |
| 2008 | UNNAMED | 2,768 | 80 km |
| 2008 | UNNAMED | 2,748 | 68 km |
| 2008 | UNNAMED | 2,711 | 83 km |
| 2008 | UNNAMED | 2,650 | 68 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) | 4.1 in | |
| March | 58°F (14°C) | 4.5 in | |
| April | 64°F (18°C) | 3.2 in | |
| May | 72°F (22°C) | 3.9 in | |
| June | 78°F (26°C) | 4.7 in | |
| July | 81°F (27°C) | 5.2 in | Warmest |
| August | 80°F (27°C) | 5.4 in | Wettest |
| September | 75°F (24°C) | 3.5 in | |
| October | 66°F (19°C) | 2.6 in | |
| November | 57°F (14°C) | 2.5 in | Driest |
| December | 50°F (10°C) | 3.5 in |
Portal has a seasonal temperature swing of 35°F / from 47°F in January to 81°F in July. Total annual precipitation is 47.1 inches, with August being the wettest month (5.4") and November the driest (2.5").