Late spring · Weather & things to do
Bahia Honda & the Lower Keys in May
Bahia Honda & the Lower Keys edges warmer than April, with highs of 81°F (27°C), lows of 79°F (26°C) and about 4.0 in (102 mm) of rain.
It scores 83/100 for comfort, 7th of 12, which makes it a solid shoulder-season month.

- Avg high
- 81°F (27°C)
- Avg low
- 79°F (26°C)
- Rain
- 4.0 in (102 mm)
- Humidity
- 76%
- Cloud cover
- 43%
- Daylight
- ~13 h 12 min
- Comfort score
- 83/100 · Great
What May feels like
Highs settle around 81°F (27°C), warm enough for short sleeves.
Even at night it stays warm, around 79°F (26°C).
With 76% average humidity, it feels muggy.
Some rain is likely, about 4.0 in (102 mm) in the month, so pack for a shower or two.
Plan around May
May is shoulder season: good weather, a step below the best months (November – April).
- Comfort slips from 93/100 in April to 83/100.
- Our Key West New Year's Eve route is planned for Dec 30 – Jan 1, a window set by the holiday season rather than the weather — May falls outside it.
What to pack for May
- Light, breathable clothes81°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Quick-dry fabrics76% average humidity
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Bahia Honda & the Lower Keys in May
With conditions on your side, the picks below favor time outside.
Old Bahia Honda Bridge
A section of Flagler's 1912 railroad bridge inside the park, with a walkway on top that looks over the channel.
Why now May scores 83/100 for comfort, good conditions for being outside.
Looe Key Reef
A shallow coral reef in the Florida Keys National Marine Sanctuary, reached by snorkel boats from Big Pine and Ramrod Key.
Why now Highs near 81°F and 4.0 in of monthly rain make this an easy outdoor pick.
Old Seven Mile Bridge
A 2.2-mile walk or bike ride on the restored old bridge from Marathon out to Pigeon Key.
Why now One to do outside while the weather is on your side.
Blue Hole
A freshwater pond in an old quarry in the National Key Deer Refuge, where small Key deer and alligators are often seen.
Nearby in May
- Key West in May~33 mi · highs 81°F, 3.8 in rain · similar daytime temperatures, about as wet
- Everglades in May~49 mi · highs 83°F, 4.8 in rain · 1°C (2°F) warmer by day, wetter
- Key Largo in May~59 mi · highs 82°F, 4.6 in rain · similar daytime temperatures, wetter
- Miami in May~101 mi · highs 82°F, 5.3 in rain · similar daytime temperatures, wetter
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.
Bahia Honda & the Lower Keys in May: quick answers
Is May a good time to visit Bahia Honda & the Lower Keys?
It's a good shoulder-season choice, scoring 83/100 against a best of 93 in November – April. Expect highs of 81°F (27°C) and 4.0 in (102 mm) of rain.
How hot is Bahia Honda & the Lower Keys in May?
Average highs are 81°F (27°C) and average lows 79°F (26°C), making it the 6th-warmest month by daytime highs.
Does it rain a lot in Bahia Honda & the Lower Keys in May?
Some: about 4.0 in (102 mm) of rain falls across May on average, the 6th-wettest month of the year. The annual total is about 40.5 in (1028 mm).
What should I pack for Bahia Honda & the Lower Keys in May?
Bring light, breathable clothes (81°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), quick-dry fabrics (76% average humidity), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Bahia Honda & the Lower Keys
Planning Bahia Honda & the Lower Keys in May?
Share this May plan with your group, poll everyone on dates and keep the packing list in one place.



