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Weather & Climate in South Bay, FL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
South Bay has a warm climate with an average annual temperature of 74°F (24°C). Winters average 64°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 330 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 55.2 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 12 feet.
Temperature
64°F Jan (18°C)
82°F Jul (28°C)
| Annual Average | 74.3°F |
| 38% above US avg | |
| January Average | 64°F (18°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 12 ft (4 m) |
| Area | 3.7 sq mi (9.6 km²) |
| Population Density | 1,688/sq mi |
| Coordinates | 26.6884°N, 80.7355°W |
| Timezone | America/New_York |
| County | Palm Beach County County |
| Nearest Airport | Palm Beach International (PBI) 40 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 99.2 / 100 |
| Social Vulnerability | 59.8 / 100 |
| Community Resilience | 24.5 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very High |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively High |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively High |
| Winter Weather | No Rating |
| Lightning | Very High |
| Drought | Relatively High |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
| Coastal Flood | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Hurricane History
19 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Milton | Category 3 | 121 mph | 167 km |
| 2022 | Ian | Category 5 | 161 mph | 111 km |
| 2022 | Nicole | Category 1 | 75 mph | 110 km |
| 2021 | Elsa | Category 1 | 75 mph | 245 km |
| 2019 | Dorian | Category 5 | 178 mph | 223 km |
| 2017 | Irma | Category 4 | 132 mph | 97 km |
| 2016 | Matthew | Category 4 | 138 mph | 144 km |
| 2005 | Wilma | Category 3 | 127 mph | 60 km |
| 2005 | Katrina | Category 2 | 104 mph | 98 km |
| 2005 | Ophelia | Category 1 | 75 mph | 255 km |
| 2004 | Charley | Category 4 | 150 mph | 138 km |
| 2004 | Jeanne | Category 3 | 121 mph | 69 km |
| 2004 | Frances | Category 2 | 109 mph | 76 km |
| 1999 | Floyd | Category 4 | 127 mph | 277 km |
| 1999 | Irene | Category 1 | 81 mph | 44 km |
| 1998 | Georges | Category 2 | 104 mph | 266 km |
| 1995 | Erin | Category 1 | 86 mph | 90 km |
| 1992 | Andrew | Category 5 | 167 mph | 130 km |
| 1987 | Floyd | Category 1 | 75 mph | 178 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
559 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 14 fatalities, 283 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Oct 9, 2024 | EF3 | 82 km | 21.2 mi | 6 |
| Oct 9, 2024 | EF3 | 43 km | 32.9 mi | 0 |
| Oct 9, 2024 | EF3 | 37 km | 15.5 mi | 0 |
| Mar 1, 1980 | EF3 | 81 km | 7.8 mi | 1 |
| Jan 24, 1979 | EF3 | 35 km | 9.6 mi | 0 |
| Feb 23, 1965 | EF3 | 86 km | 5.7 mi | 0 |
| Oct 19, 1958 | EF3 | 16 km | 20.2 mi | 1 |
| Apr 15, 1958 | EF3 | 92 km | 14.8 mi | 0 |
| Apr 10, 1956 | EF3 | 92 km | 7.8 mi | 0 |
| Sep 18, 1954 | EF3 | 91 km | 0.1 mi | 2 |
| Oct 9, 2024 | EF2 | 68 km | 8.5 mi | 0 |
| Oct 9, 2024 | EF2 | 85 km | 2.6 mi | 0 |
| Oct 9, 2024 | EF2 | 69 km | 5.7 mi | 0 |
| Oct 9, 2024 | EF2 | 29 km | 65.5 mi | 0 |
| Oct 9, 2024 | EF2 | 91 km | 2.9 mi | 0 |
| Apr 29, 2023 | EF2 | 66 km | 2.6 mi | 0 |
| Sep 27, 2022 | EF2 | 72 km | 7.0 mi | 0 |
| Apr 6, 2017 | EF2 | 99 km | 4.1 mi | 0 |
| Oct 18, 2011 | EF2 | 75 km | 1.1 mi | 0 |
| Aug 18, 2008 | EF2 | 51 km | 2.7 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: STATE FIRE (171,317 acres, 1999).
| Year | Name | Acres Burned | Distance |
| 1999 | STATE FIRE | 171,317 | 51 km |
| 1989 | UNNAMED | 90,127 | 54 km |
| 2011 | PRAIRIE FIRE | 67,959 | 93 km |
| 2018 | BUZZARD | 61,663 | 85 km |
| 2007 | BICY COMPLEX | 60,644 | 82 km |
| 1989 | UNNAMED | 56,910 | 52 km |
| 1985 | UNNAMED | 54,638 | 97 km |
| 1985 | UNNAMED | 54,003 | 57 km |
| 1985 | ALLEY | 51,504 | 52 km |
| 2014 | ALLIGATOR | 50,667 | 51 km |
| 1989 | UNNAMED | 49,716 | 37 km |
| 2007 | MOONSHINE BAY | 38,664 | 37 km |
| 2007 | MFC SOUTH FIRE | 37,301 | 92 km |
| 2008 | MYAKKA CUT | 36,877 | 36 km |
| 1985 | UNNAMED | 35,018 | 48 km |
| 2007 | UNNAMED | 32,578 | 58 km |
| 2006 | BERG FIRE | 28,992 | 34 km |
| 2021 | BOBCAT | 28,849 | 34 km |
| 2017 | PARLIAMENT | 26,967 | 96 km |
| 2017 | THREE MILE | 26,683 | 33 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 64°F (18°C) | 2.2 in | Coldest |
| February | 64°F (18°C) | 2.1 in | |
| March | 68°F (20°C) | 3.0 in | |
| April | 72°F (22°C) | 2.2 in | |
| May | 76°F (25°C) | 5.0 in | |
| June | 80°F (27°C) | 7.3 in | Wettest |
| July | 82°F (28°C) | 7.0 in | Warmest |
| August | 82°F (28°C) | 7.1 in | |
| September | 81°F (27°C) | 6.7 in | |
| October | 77°F (25°C) | 3.7 in | |
| November | 71°F (22°C) | 2.5 in | |
| December | 66°F (19°C) | 1.5 in | Driest |
South Bay has a seasonal temperature swing of 19°F / from 64°F in January to 82°F in July. Total annual precipitation is 50.1 inches, with June being the wettest month (7.3") and December the driest (1.5").