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Weather & Climate in Tybee Island, GA

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

Tybee Island 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 323 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 44. The city sits at an elevation of 20 feet.

Temperature

51°F Jan (11°C) 83°F Jul (28°C)
Annual Average67.8°F
26% above US avg
January Average51°F (11°C)
July Average83°F (28°C)
Sunny Days323 days/yr

Geography

Elevation20 ft (6 m)
Area3.2 sq mi (8.3 km²)
Population Density1,084/sq mi
Coordinates32.0102°N, 80.8559°W
TimezoneAmerica/New_York
CountyBeaufort County County
Nearest AirportSavannah/Hilton Head International (SAV)
22 miles away

Precipitation & Snow

Wettest Month (Aug) 7.40"
Driest Month (Nov) 2.44"

Air Quality

AQI Median44.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively High
Risk Score97.1 / 100
Social Vulnerability44.6 / 100
Community Resilience66.7 / 100

Hazard Breakdown

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

Earthquake History

34 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.

Aug 21, 1992 1 km SSE of Centerville, South Carolina M4.1 126 km 7 km
Jun 18, 2022 7 km E of Stillmore, Georgia M3.9 131 km 1 km
Apr 17, 1995 0 km NNW of Centerville, South Carolina M3.9 127 km 8 km
Jul 13, 2003 6 km N of Cobbtown, Georgia M3.6 127 km 5 km
Nov 13, 1990 4 km SSW of Ladson, South Carolina M3.5 124 km 3 km
Nov 8, 2002 24 km SSE of Kiawah Island, South Carolina M3.5 97 km 4 km
Aug 29, 2009 2 km NE of Summerville, South Carolina M3.2 131 km 5 km
May 5, 2003 4 km NNW of Summerville, South Carolina M3.1 132 km 11 km
Jul 20, 2004 7 km WSW of Centerville, South Carolina M3.1 121 km 10 km
Mar 29, 1999 3 km NNW of Sangaree, South Carolina M3.0 135 km 11 km
Jul 26, 2002 4 km NNW of Summerville, South Carolina M3.0 132 km 10 km
Mar 19, 2014 0 km WNW of Centerville, South Carolina M3.0 127 km 7 km
Jul 7, 2002 1 km NW of Sangaree, South Carolina M2.9 133 km 11 km
Mar 2, 2003 7 km S of Centerville, South Carolina M2.9 121 km 7 km
Feb 7, 1990 9 km S of Centerville, South Carolina M2.9 119 km 9 km
May 12, 2010 6 km SSW of Ladson, South Carolina M2.8 123 km 1 km
Jul 31, 2012 5 km S of Centerville, South Carolina M2.8 123 km 8 km
Jul 16, 2002 5 km SSW of Ladson, South Carolina M2.8 123 km 7 km
Jan 11, 2002 6 km SSW of Ladson, South Carolina M2.7 123 km 6 km
May 1, 2004 3 km ENE of Goose Creek, South Carolina M2.7 136 km 11 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

22 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 244 km
2023 Idalia Category 3 115 mph 222 km
2022 Ian Category 1 86 mph 182 km
2020 Isaias Category 1 92 mph 129 km
2019 Dorian Category 3 115 mph 137 km
2018 Michael Category 1 — 287 km
2016 Matthew Category 3 115 mph 35 km
2014 Arthur Category 2 92 mph 193 km
2005 Ophelia Category 1 86 mph 267 km
2004 Charley Category 1 86 mph 109 km
2004 Gaston Category 1 75 mph 155 km
2004 Alex Category 1 — 297 km
1999 Floyd Category 3 109 mph 193 km
1999 Dennis Category 2 104 mph 255 km
1999 Irene Category 1 81 mph 133 km
1998 Bonnie Category 3 115 mph 297 km
1996 Fran Category 3 115 mph 282 km
1996 Bertha Category 2 104 mph 227 km
1989 Hugo Category 4 138 mph 132 km
1985 Kate Category 1 75 mph 256 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

177 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 14 fatalities, 205 injuries.

Date Rating Distance Path Fatalities
Apr 5, 2022 EF4 76 km 14.4 mi 1
Apr 13, 2020 EF4 87 km 23.7 mi 5
May 11, 2008 EF4 88 km 11.0 mi 0
Apr 9, 1998 EF3 71 km 8.0 mi 2
Apr 13, 2020 EF2 72 km 1.2 mi 0
May 23, 2017 EF2 14 km 7.5 mi 0
Feb 9, 2017 EF2 76 km 9.8 mi 0
Oct 27, 2009 EF2 81 km 0.8 mi 0
May 11, 2008 EF2 98 km 12.0 mi 0
Mar 15, 2008 EF2 60 km 7.0 mi 0
Mar 15, 2008 EF2 48 km 0.5 mi 0
Sep 3, 1998 EF2 55 km 18.0 mi 1
Apr 9, 1998 EF2 90 km 24.5 mi 4
May 23, 1980 EF2 22 km 1.0 mi 0
May 3, 1975 EF2 65 km 5.4 mi 0
May 12, 1974 EF2 82 km 0.6 mi 0
Nov 9, 1973 EF2 21 km 1.0 mi 0
Oct 27, 1972 EF2 59 km 1.0 mi 0
Jan 15, 1971 EF2 74 km 0.5 mi 0
May 25, 1970 EF2 1 km 2.5 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

1 tsunami recorded within 500 km.

Year Location Cause Max Wave Deaths Distance
1886 CHARLESTON, SC Earthquake — — 127 km
Source: NOAA/NCEI Historical Tsunami Database.

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 75 km
2007 UNNAMED 10,963 68 km
2008 UNNAMED 10,163 66 km
2008 UNNAMED 4,291 86 km
2010 UNNAMED 4,269 54 km
2008 UNNAMED 4,021 69 km
2011 ELIM CHURCH RD. FIRE 3,850 88 km
2001 UNNAMED 3,827 82 km
2010 UNNAMED 3,746 51 km
2010 UNNAMED 3,521 42 km
1994 UNNAMED 3,469 59 km
2010 UNNAMED 2,990 59 km
2004 UNNAMED 2,880 42 km
2008 UNNAMED 2,845 46 km
2008 UNNAMED 2,768 60 km
2008 UNNAMED 2,748 60 km
1994 UNNAMED 2,732 71 km
2004 UNNAMED 2,661 70 km
2008 UNNAMED 2,650 64 km
2004 UNNAMED 2,553 59 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 51°F (11°C) 3.9 in Coldest
February 52°F (11°C) 3.1 in
March 59°F (15°C) 3.9 in
April 65°F (18°C) 3.0 in
May 72°F (22°C) 3.5 in
June 78°F (26°C) 5.4 in
July 83°F (28°C) 5.9 in Warmest
August 81°F (27°C) 7.4 in Wettest
September 77°F (25°C) 5.4 in
October 68°F (20°C) 3.2 in
November 60°F (15°C) 2.4 in Driest
December 53°F (12°C) 3.0 in

Tybee Island has a seasonal temperature swing of 32°F / from 51°F in January to 83°F in July. Total annual precipitation is 50.1 inches, with August being the wettest month (7.4") and November the driest (2.4").

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