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Weather & Climate in Henderson, GA

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

Henderson enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 51°F in January while summers reach 83°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 48.1 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 17 feet.

Temperature

51°F Jan (10°C) 83°F Jul (28°C)
Annual Average67.5°F
25% above US avg
January Average51°F (10°C)
July Average83°F (28°C)
Sunny Days308 days/yr

Geography

Elevation17 ft (5 m)
Area1.8 sq mi (4.7 km²)
Population Density1,489/sq mi
Coordinates32.0071°N, 81.2666°W
TimezoneAmerica/New_York
CountyBryan County County
Nearest AirportSavannah/Hilton Head International (SAV)
9 miles away

Precipitation & Snow

Annual Rainfall 48.1"
27% above US avg
Snowfall 0.0"
Wettest Month (Aug) 7.05"
Driest Month (Nov) 2.36"

Air Quality

AQI Median44.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score66.6 / 100
Social Vulnerability13.4 / 100
Community Resilience75.1 / 100

Hazard Breakdown

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

Earthquake History

25 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 96 km 1 km
Jul 13, 2003 6 km N of Cobbtown, Georgia M3.6 90 km 5 km
Nov 13, 1990 4 km SSW of Ladson, South Carolina M3.5 149 km 3 km
Nov 8, 2002 24 km SSE of Kiawah Island, South Carolina M3.5 132 km 4 km
Jul 20, 2004 7 km WSW of Centerville, South Carolina M3.1 144 km 10 km
Feb 7, 1990 9 km S of Centerville, South Carolina M2.9 144 km 9 km
Mar 2, 2003 7 km S of Centerville, South Carolina M2.9 146 km 7 km
Jul 16, 2002 5 km SSW of Ladson, South Carolina M2.8 148 km 7 km
May 12, 2010 6 km SSW of Ladson, South Carolina M2.8 148 km 1 km
Jul 31, 2012 5 km S of Centerville, South Carolina M2.8 147 km 8 km
Jan 11, 2002 6 km SSW of Ladson, South Carolina M2.7 147 km 6 km
Jan 4, 2012 3 km SSW of Centerville, South Carolina M2.6 147 km 5 km
Jun 12, 2003 5 km WSW of Centerville, South Carolina M2.6 146 km 10 km
Feb 28, 2003 7 km S of Centerville, South Carolina M2.6 146 km 4 km
Jun 18, 1990 5 km SSE of Centerville, South Carolina M2.6 148 km 5 km
May 11, 1990 5 km SSE of Centerville, South Carolina M2.6 148 km 6 km
Jan 29, 2009 2 km SW of Summerville, South Carolina M2.5 150 km 6 km
Oct 15, 2011 4 km W of Centerville, South Carolina M2.5 148 km 8 km
Sep 19, 2013 8 km WSW of Summerville, South Carolina M2.5 145 km 11 km
May 17, 1997 9 km SW of Soperton, Georgia M2.5 136 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

18 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 208 km
2023 Idalia Category 3 115 mph 191 km
2022 Ian Category 1 86 mph 218 km
2020 Isaias Category 1 92 mph 167 km
2019 Dorian Category 3 115 mph 172 km
2018 Michael Category 1 — 248 km
2016 Matthew Category 3 115 mph 73 km
2014 Arthur Category 1 92 mph 229 km
2004 Gaston Category 1 75 mph 188 km
2004 Charley Category 1 86 mph 135 km
1999 Floyd Category 3 109 mph 229 km
1999 Dennis Category 2 104 mph 292 km
1999 Irene Category 1 81 mph 170 km
1996 Bertha Category 2 104 mph 265 km
1989 Hugo Category 4 138 mph 164 km
1985 Kate Category 1 75 mph 219 km
1985 Bob Category 1 75 mph 75 km
1984 Diana Category 3 115 mph 206 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

229 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 16 fatalities, 274 injuries.

Date Rating Distance Path Fatalities
Apr 5, 2022 EF4 39 km 14.4 mi 1
Apr 13, 2020 EF4 78 km 23.7 mi 5
May 11, 2008 EF4 69 km 11.0 mi 0
May 11, 2008 EF3 97 km 7.3 mi 0
Apr 9, 1998 EF3 35 km 8.0 mi 2
May 23, 2017 EF2 26 km 7.5 mi 0
Feb 9, 2017 EF2 46 km 9.8 mi 0
Oct 27, 2009 EF2 42 km 0.8 mi 0
Mar 15, 2008 EF2 43 km 7.0 mi 0
Mar 15, 2008 EF2 37 km 0.5 mi 0
Mar 22, 2005 EF2 92 km 2.0 mi 0
Jul 1, 2003 EF2 74 km 7.0 mi 0
Jul 1, 2003 EF2 81 km 6.0 mi 0
Sep 3, 1998 EF2 88 km 18.0 mi 1
Sep 3, 1998 EF2 90 km 8.0 mi 0
Apr 9, 1998 EF2 52 km 24.5 mi 4
May 3, 1984 EF2 70 km 20.0 mi 0
May 23, 1980 EF2 18 km 1.0 mi 0
May 3, 1975 EF2 53 km 5.4 mi 0
May 12, 1974 EF2 63 km 9.4 mi 2
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 37 km
2007 UNNAMED 10,963 29 km
2008 UNNAMED 10,163 27 km
2008 UNNAMED 4,291 48 km
2010 UNNAMED 4,269 64 km
2008 UNNAMED 4,021 30 km
2011 ELIM CHURCH RD. FIRE 3,850 54 km
2001 UNNAMED 3,827 64 km
2010 UNNAMED 3,746 64 km
2010 UNNAMED 3,521 41 km
1994 UNNAMED 3,469 57 km
2010 UNNAMED 2,990 56 km
2004 UNNAMED 2,880 41 km
2008 UNNAMED 2,845 8 km
2008 UNNAMED 2,768 22 km
2008 UNNAMED 2,748 21 km
1994 UNNAMED 2,732 61 km
2004 UNNAMED 2,661 92 km
2008 UNNAMED 2,650 25 km
2004 UNNAMED 2,553 56 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 51°F (10°C) 3.9 in Coldest
February 53°F (11°C) 3.2 in
March 59°F (15°C) 3.9 in
April 66°F (19°C) 3.1 in
May 73°F (23°C) 3.8 in
June 79°F (26°C) 5.3 in
July 83°F (28°C) 6.0 in Warmest
August 81°F (27°C) 7.1 in Wettest
September 77°F (25°C) 5.0 in
October 68°F (20°C) 2.9 in
November 59°F (15°C) 2.4 in Driest
December 52°F (11°C) 3.0 in

Henderson has a seasonal temperature swing of 32°F / from 51°F in January to 83°F in July. Total annual precipitation is 49.4 inches, with August being the wettest month (7.1") and November the driest (2.4").

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