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Weather & Climate in Harlem, FL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Harlem 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 20 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 | 20 ft (6 m) |
| Area | 1.1 sq mi (2.7 km²) |
| Population Density | 2,905/sq mi |
| Coordinates | 26.7324°N, 80.9518°W |
| Timezone | America/New_York |
| County | Palm Beach County County |
| Nearest Airport | Immokalee Regional (IMM) 35 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 | 156 km |
| 2022 | Ian | Category 5 | 161 mph | 91 km |
| 2022 | Nicole | Category 1 | 75 mph | 116 km |
| 2021 | Elsa | Category 1 | 75 mph | 224 km |
| 2019 | Dorian | Category 5 | 167 mph | 244 km |
| 2017 | Irma | Category 4 | 132 mph | 75 km |
| 2016 | Matthew | Category 4 | 138 mph | 162 km |
| 2005 | Wilma | Category 3 | 127 mph | 59 km |
| 2005 | Katrina | Category 2 | 104 mph | 113 km |
| 2005 | Ophelia | Category 1 | 75 mph | 264 km |
| 2004 | Charley | Category 4 | 150 mph | 116 km |
| 2004 | Jeanne | Category 3 | 121 mph | 72 km |
| 2004 | Frances | Category 2 | 109 mph | 78 km |
| 1999 | Floyd | Category 4 | 127 mph | 292 km |
| 1999 | Irene | Category 1 | 81 mph | 66 km |
| 1998 | Georges | Category 2 | 104 mph | 262 km |
| 1995 | Erin | Category 1 | 86 mph | 98 km |
| 1992 | Andrew | Category 5 | 167 mph | 128 km |
| 1987 | Floyd | Category 1 | 75 mph | 187 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
532 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 15 fatalities, 267 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Oct 9, 2024 | EF3 | 65 km | 32.9 mi | 0 |
| Oct 9, 2024 | EF3 | 19 km | 15.5 mi | 0 |
| Oct 9, 2024 | EF3 | 88 km | 21.2 mi | 6 |
| Mar 1, 1980 | EF3 | 100 km | 7.8 mi | 1 |
| Jan 24, 1979 | EF3 | 45 km | 9.6 mi | 0 |
| Oct 19, 1958 | EF3 | 30 km | 20.2 mi | 1 |
| Apr 15, 1958 | EF3 | 93 km | 14.8 mi | 0 |
| Sep 18, 1954 | EF3 | 98 km | 0.1 mi | 2 |
| Oct 9, 2024 | EF2 | 85 km | 5.7 mi | 0 |
| Oct 9, 2024 | EF2 | 78 km | 2.6 mi | 0 |
| Oct 9, 2024 | EF2 | 93 km | 16.3 mi | 0 |
| Oct 9, 2024 | EF2 | 51 km | 65.5 mi | 0 |
| Oct 9, 2024 | EF2 | 75 km | 2.9 mi | 0 |
| Oct 9, 2024 | EF2 | 62 km | 8.5 mi | 0 |
| Apr 29, 2023 | EF2 | 86 km | 2.6 mi | 0 |
| Sep 27, 2022 | EF2 | 93 km | 7.0 mi | 0 |
| Apr 6, 2017 | EF2 | 94 km | 4.1 mi | 0 |
| Oct 18, 2011 | EF2 | 92 km | 1.1 mi | 0 |
| Aug 18, 2008 | EF2 | 73 km | 2.7 mi | 0 |
| Aug 13, 2004 | EF2 | 65 km | 42.0 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 | 63 km |
| 1989 | UNNAMED | 90,127 | 67 km |
| 2018 | BUZZARD | 61,663 | 85 km |
| 2007 | BICY COMPLEX | 60,644 | 80 km |
| 1989 | UNNAMED | 56,910 | 60 km |
| 1985 | UNNAMED | 54,003 | 70 km |
| 1985 | ALLEY | 51,504 | 60 km |
| 2014 | ALLIGATOR | 50,667 | 65 km |
| 1989 | UNNAMED | 49,716 | 59 km |
| 2007 | MOONSHINE BAY | 38,664 | 18 km |
| 2008 | MYAKKA CUT | 36,877 | 18 km |
| 1985 | UNNAMED | 35,018 | 61 km |
| 2007 | UNNAMED | 32,578 | 70 km |
| 2018 | 116TH AVE SE (11) | 29,269 | 99 km |
| 2006 | BERG FIRE | 28,992 | 39 km |
| 2021 | BOBCAT | 28,849 | 44 km |
| 2017 | PARLIAMENT | 26,967 | 93 km |
| 2017 | THREE MILE | 26,683 | 38 km |
| 2001 | BEARISLAND | 24,213 | 63 km |
| 2014 | L 4 CUTOUT | 23,068 | 38 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 64°F (18°C) | 1.9 in | Coldest |
| February | 64°F (18°C) | 2.1 in | |
| March | 68°F (20°C) | 2.8 in | |
| April | 72°F (22°C) | 2.0 in | |
| May | 76°F (25°C) | 4.9 in | |
| June | 80°F (27°C) | 7.5 in | Wettest |
| July | 82°F (28°C) | 6.7 in | Warmest |
| August | 82°F (28°C) | 6.9 in | |
| September | 81°F (27°C) | 6.0 in | |
| October | 77°F (25°C) | 3.2 in | |
| November | 71°F (22°C) | 2.1 in | |
| December | 66°F (19°C) | 1.4 in | Driest |
Harlem has a seasonal temperature swing of 19°F / from 64°F in January to 82°F in July. Total annual precipitation is 47.6 inches, with June being the wettest month (7.5") and December the driest (1.4").