Late summer · Weather & things to do
Key Largo in August
Key Largo's warmest month brings highs averaging 86°F (30°C), lows of 83°F (29°C) and about 7.2 in (184 mm) of rain.
With a comfort score of 56/100 (11th of 12), it's one of the toughest months, held back mainly by rain.
- Avg high
- 86°F (30°C)
- Avg low
- 83°F (29°C)
- Rain
- 7.2 in (184 mm)
- Humidity
- 75%
- Cloud cover
- 62%
- Daylight
- ~12 h 53 min
- Comfort score
- 56/100 · Fair
What August feels like
Afternoons run hot at about 86°F (30°C), which leaves mornings and evenings as the time for walking.
Even at night it stays warm, around 83°F (29°C).
With 75% average humidity, it feels muggy.
Expect regular rain: about 7.2 in (184 mm) falls in the month.
Plan around August
August is one of the lower-scoring months here; the best are November – April.
- Inside the wettest three-month stretch, July – September.
- Comfort slips from 59/100 in July to 56/100.
- Our Florida Keys Adventure route recommends Dec – May, so August falls outside its suggested window.
What to pack for August
- Light, breathable clotheshighs average 86°F
- Sunscreen, sunglasses and a hatstrong sun this month
- Refillable water bottleeasy to dehydrate in the heat
- Quick-dry fabrics75% average humidity
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost picks involve some walking
What to do in Key Largo in August
With 7.2 in of rain, these picks lean toward food, drink and places with a roof, with outdoor options when the weather breaks.
Snappers Oceanfront Restaurant & Bar
Ocean-side tiki bar and seafood restaurant on a canal.
Why now A sit-down stop to wait out showers in a month with 7.2 in of rain.
Sundowners
Bayside restaurant since 1985 with west-facing tables over Florida Bay.
Why now Easy to slot in when August's rain moves in.
Key Largo Fisheries Backyard Café
Working fish house serving lobster rolls and fresh hogfish at waterside tables.
Why now Keeps part of the day dry on wetter August days.
John Pennekamp Coral Reef State Park
First undersea park in the U.S., with snorkel and glass-bottom boat trips to the reef.
Why now Our curated notes say it's best morning, Apr–Sep.
Dagny Johnson Key Largo Hammock Botanical State Park
Largest tract of tropical hardwood hammock in the U.S., with easy trails.
Why now Go early — afternoons average 86°F.
Nearby in August
- Everglades in August~31 mi · highs 87°F, 7.6 in rain · similar daytime temperatures, about as wet
- Miami in August~49 mi · highs 86°F, 7.2 in rain · similar daytime temperatures, about as wet
- Bahia Honda & the Lower Keys in August~59 mi · highs 86°F, 6.0 in rain · similar daytime temperatures, drier
- Key West in August~91 mi · highs 86°F, 6.1 in rain · similar daytime temperatures, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Key Largo in August: quick answers
Is August a good time to visit Key Largo?
It's one of the tougher months here, scoring 56/100, held back mainly by rain. The best months are November – April. Expect highs of 86°F (30°C) and 7.2 in (184 mm) of rain. Our Florida Keys Adventure route recommends Dec – May, so August is outside its suggested window.
How hot is Key Largo in August?
Average highs are 86°F (30°C) and average lows 83°F (29°C), making it the warmest month by daytime highs.
Does it rain a lot in Key Largo in August?
Yes: about 7.2 in (184 mm) of rain falls across August on average, the 3rd-wettest month of the year. The annual total is about 48.7 in (1237 mm).
What should I pack for Key Largo in August?
Bring light, breathable clothes (highs average 86°F), sunscreen, sunglasses and a hat (strong sun this month), refillable water bottle (easy to dehydrate in the heat), quick-dry fabrics (75% average humidity) and rain jacket and waterproof shoes (frequent rain).
More on Key Largo
Planning Key Largo in August?
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