Mid-winter · Weather & things to do
Key Largo in January
This is the coldest month in Key Largo: highs average 73°F (23°C) and lows 68°F (20°C), with about 1.3 in (34 mm) of rain.
At 87/100 for comfort (5th of 12), it's one of the best months to visit.

- Avg high
- 73°F (23°C)
- Avg low
- 68°F (20°C)
- Rain
- 1.3 in (34 mm)
- Humidity
- 76%
- Cloud cover
- 55%
- Daylight
- ~10 h 36 min
- Comfort score
- 87/100 · Great
What January feels like
Highs settle around 73°F (23°C), warm enough for short sleeves.
Nights cool to an average low of 68°F (20°C).
Humidity averages 76%, so the air feels sticky and the heat feels stronger than the thermometer says.
Rain is moderate at about 1.3 in (34 mm) for the month.
Plan around January
January is one of Key Largo's best months on the climate data.
- Comfort holds steady from December (86 → 87/100).
- January sits inside the Dec – May window our Florida Keys Adventure route recommends.
What to pack for January
- Light, breathable clothes73°F afternoons
- Quick-dry fabrics76% average humidity
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Key Largo in January
With conditions on your side, the picks below favor time outside.
Dagny Johnson Key Largo Hammock Botanical State Park
Largest tract of tropical hardwood hammock in the U.S., with easy trails.
Why now January scores 87/100 for comfort, good conditions for being outside.
Florida Keys Wild Bird Center
Free sanctuary for injured pelicans, hawks and herons with a boardwalk to Florida Bay.
Why now Highs near 73°F and 1.3 in of monthly rain make this an easy outdoor pick.
Christ of the Abyss
Bronze statue on the reef at Key Largo Dry Rocks, reached by snorkel or dive boat.
Why now One to do outside while the weather is on your side.
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.
Nearby in January
- Everglades in January~31 mi · highs 72°F, 1.5 in rain · similar daytime temperatures, about as wet
- Miami in January~49 mi · highs 73°F, 1.7 in rain · similar daytime temperatures, about as wet
- Bahia Honda & the Lower Keys in January~59 mi · highs 74°F, 1.0 in rain · similar daytime temperatures, about as wet
- Key West in January~91 mi · highs 73°F, 1.3 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 January: quick answers
Is January a good time to visit Key Largo?
Yes. On the climate data it's one of the best months, scoring 87/100. Expect highs of 73°F (23°C) and 1.3 in (34 mm) of rain. January is inside the Dec – May window our Florida Keys Adventure route recommends.
How hot is Key Largo in January?
Average highs are 73°F (23°C) and average lows 68°F (20°C), making it the coldest month by daytime highs.
Does it rain a lot in Key Largo in January?
Not much: about 1.3 in (34 mm) of rain falls across January on average, the driest month of the year. The annual total is about 48.7 in (1237 mm).
What should I pack for Key Largo in January?
Bring light, breathable clothes (73°F afternoons), quick-dry fabrics (76% average humidity) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Key Largo
Routes in season in January
- Florida Keys Adventure Dec – May
Planning Key Largo in January?
Share this January plan with your group, poll everyone on dates and keep the packing list in one place.





