Early spring · Weather & things to do
Key Largo in March
Little changes in Key Largo from February: highs stay near 76°F (25°C), lows near 72°F (22°C), and about 1.4 in (35 mm) of rain falls.
At 92/100 for comfort (the top score of the year), it's one of the best months to visit.
- Avg high
- 76°F (25°C)
- Avg low
- 72°F (22°C)
- Rain
- 1.4 in (35 mm)
- Humidity
- 73%
- Cloud cover
- 47%
- Daylight
- ~11 h 49 min
- Comfort score
- 92/100 · Great
What March feels like
Days are warm, averaging 76°F (25°C), easy weather for being outside from morning to evening.
Nights stay warm too, with lows averaging 72°F (22°C).
Rain is moderate at about 1.4 in (35 mm) for the month.
Plan around March
March is one of Key Largo's best months on the climate data.
- Comfort improves from 89/100 in February to 92/100.
- March sits inside the Dec – May window our Florida Keys Adventure route recommends.
What to pack for March
- Light, breathable clothes76°F afternoons
- Sunscreen, sunglasses and a hathigh UV on clear days
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Key Largo in March
With conditions on your side, the picks below favor time outside.
Christ of the Abyss
Bronze statue on the reef at Key Largo Dry Rocks, reached by snorkel or dive boat.
Why now March scores 92/100 for comfort, good conditions for being outside.
Snappers Oceanfront Restaurant & Bar
Ocean-side tiki bar and seafood restaurant on a canal.
African Queen
The steamboat from the 1951 film, running short canal cruises.
Dagny Johnson Key Largo Hammock Botanical State Park
Largest tract of tropical hardwood hammock in the U.S., with easy trails.
Why now Highs near 76°F and 1.4 in of monthly rain make this an easy outdoor pick.
Florida Keys Wild Bird Center
Free sanctuary for injured pelicans, hawks and herons with a boardwalk to Florida Bay.
Why now One to do outside while the weather is on your side.
Nearby in March
- Everglades in March~31 mi · highs 77°F, 1.7 in rain · similar daytime temperatures, about as wet
- Miami in March~49 mi · highs 76°F, 2.2 in rain · similar daytime temperatures, wetter
- Bahia Honda & the Lower Keys in March~59 mi · highs 76°F, 1.0 in rain · similar daytime temperatures, about as wet
- Key West in March~91 mi · highs 75°F, 1.0 in rain · similar daytime temperatures, about as wet
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 March: quick answers
Is March a good time to visit Key Largo?
Yes. On the climate data it's one of the best months, scoring 92/100. Expect highs of 76°F (25°C) and 1.4 in (35 mm) of rain. March is inside the Dec – May window our Florida Keys Adventure route recommends.
How hot is Key Largo in March?
Average highs are 76°F (25°C) and average lows 72°F (22°C), making it the 4th-coldest month by daytime highs.
Does it rain a lot in Key Largo in March?
Not much: about 1.4 in (35 mm) of rain falls across March on average, the 2nd-driest month of the year. The annual total is about 48.7 in (1237 mm).
What should I pack for Key Largo in March?
Bring light, breathable clothes (76°F afternoons), sunscreen, sunglasses and a hat (high UV on clear days) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Key Largo
Routes in season in March
- Florida Keys Adventure Dec – May
Planning Key Largo in March?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.