Fort Lauderdale weather in August
United States

August in Fort Lauderdale: sweltering, soaked, with clean air — fine if you can take 18 rainy days.
#11 of 12 months in Fort Lauderdale · #850 of 1383 destinations to visit in August · comfort 73/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Fort Lauderdale in August
Other months in Fort Lauderdale
Once we were in Fort Lauderdale in March and it was in the 40s.
Add your own note from Fort Lauderdale's card on the map.
Fort Lauderdale climate normals — August
| Daytime high | 32°C / 90°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Feels like (high) | 38°C / 100°F | |
| Sea temperature | 31°C / 89°F | ♨️ bath-warm |
| Rainfall | 217 mm / 8.5 in | ⛈ soaked |
| Rainy days | 18 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 13 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Fort Lauderdale in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusySummer break in United States, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Fort Lauderdale's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherFort Lauderdale's weather peaks February–April, best around March.
August coincides with Sargassum season.
Best weatherFair weatherToughest weather
What's on in Fort Lauderdale in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Sea turtle nesting
1 Mar – 31 OctLeatherbacks from March, loggerheads from April and greens from May, with the peak in early summer. Beachfront lighting is restricted for the whole season and the nests are staked out. Source ↗
- Hazard
Sargassum season
15 Apr – 30 Sep · usuallyThe Atlantic seaweed belt pushes ashore from late spring, worst between May and August, and it smells as it rots. Which beach is clear changes week to week and with the wind. Source ↗
- Hazard
Atlantic hurricane season
1 Jun – 30 NovStatistically the risk sits in August, September and October. Most weeks pass with nothing but afternoon storms, which is why late summer is also the cheapest time to be here. Source ↗
Nearby, and something's on
Within 300 km of Fort Lauderdale — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Fort Lauderdale?
Fort Lauderdale in August — FAQ
- Is August a good time to visit Fort Lauderdale?
- August in Fort Lauderdale: sweltering, soaked, with clean air — fine if you can take 18 rainy days. It ranks #11 of 12 months for Fort Lauderdale on SeasonMap's comfort score (73/100).
- What is the weather like in Fort Lauderdale in August?
- In August, Fort Lauderdale averages a daily high of 32.3°C and a low of 26.1°C, with about 216.5 mm of rain over roughly 17.7 rainy days.
- What is the air quality in Fort Lauderdale in August?
- Fort Lauderdale has a mean US Air Quality Index of about 45 in August.
Other months in Fort Lauderdale
Compare Fort Lauderdale in August
Warmer or cooler than Fort Lauderdale in August
Similar destinations in North America — August
Within 300 km: Miami's Sea turtle nesting on 1 Mar – 31 Oct, and Naples, Florida's Sea turtle nesting on 1 May – 31 Oct.