Everglades National Park (Everglades) weather in May
May in Everglades National Park: sweltering, rainy, with clean air — a gamble, with 35°C afternoons.
Updated September 2026 · climate normals from ERA5 reanalysis
#8 of 12 months in Everglades National Park · #1175 of 1413 destinations to visit in May · comfort 60/100 (tier C)
- Days
- 32°C
- Nights
- 22°C
- Wet days
- 8
- Sun
- 11.7 h
- Humidity
- 72%
- Daylight
- 13 h

Traveller notes on Everglades National Park in May
Notes from nearby Biscayne National Park (69 km away)
Everglades National Park doesn't have its own notes for May yet — these are about Biscayne National Park, close enough to share the season.
Biscayne-forum threads on whether the park is worth the trip are consistent the real answer depends entirely on getting out on the water, this being 95 percent ocean with almost nothing to see from the mainland visitor center alone. Posters describe May conditions as genuinely warm and sunny with a steady breeze, the bay itself notably calmer and more protected than the open Atlantic thanks to the outer keys, making it comfortable even for a smaller boat or kayak. Regulars call snorkeling and diving the real highlight, coral reef and historic shipwrecks both reachable on a guided excursion, and are direct that skipping the water entirely means missing most of what the park actually offers. Wind is named a genuine factor worth checking before booking any boat trip. A hat, reef-safe sunscreen and bug repellent are all standing advice regardless of the exact date. The record: 30.5C days feeling like a punishing 34C, 24.3C nights, a 27.9C sea and 75 percent humidity.
Other months in Everglades National Park
Everglades-forum threads on an April visit describe this as genuinely the sweet spot, posters naming the dry-season water drop as the reason wildlife concentrates so heavily this time of year. Regulars call alligators genuinely very active in April, several posters naming this a real highlight for anyone hoping to see them up close. Posters call mosquitoes genuinely not bad through most of the day, several regulars naming dusk and dawn as the real exception worth planning around. Regulars call April genuinely quieter than the winter peak, several threads naming fewer Northern-tourist crowds as a real advantage this time of year. Posters recommend Shark Valley on the Tamiami Trail as a real must for birding, several regulars warning some species have already moved on by late April so earlier in the month works better. The record: 30C days, 19.2C nights, 43.4mm across over 4 days and 69 percent humidity.
Everglades-forum threads on a March visit call this a genuinely strong month overall, posters describing the Shark Valley Tram Tour paired with an airboat ride as a real one-day combination for anyone coming from Fort Lauderdale. Regulars recommend booking the tram tour first and building the rest of the day around it, an airboat ride and a stop at Flamingo both realistic additions if timing allows. Posters call March extremely busy across southern Florida generally, several regulars warning that accommodation can be genuinely hard to find during spring break weeks. Regulars call mid-February through March strong for wildlife viewing specifically, nesting season running January through May meaning real bird activity is likely. Posters recommend real sun protection regardless of the pleasant March temperatures, open water and marsh terrain offering little shade. The record: 28.1C days feeling like 30C, 17.3C nights, 26mm across over 2 days and 55 percent humidity.
Everglades-forum threads on June mosquitoes are direct: expect them thick, posters calling this genuinely the worst stretch of the year for bites. Regulars recommend heading out early in the morning and returning toward the coast by around noon, coastal wind and shade both real relief compared with inland trails. Posters call anywhere with heavy vegetation particularly bad, open water and breezy areas considerably more tolerable by comparison. Regulars recommend lightweight long sleeves and pants regardless of how hot it feels, more effective for many visitors than repellent alone. Posters describe an airboat in motion as genuinely mosquito-free while moving, the bugs only becoming a problem once the boat stops. Regulars call avoiding pre-dawn and dusk hours outside standing advice, those windows consistently the worst for activity. The record: 31.8C days feeling like 37C, 23.7C nights, an extraordinarily high 151.6mm across nearly 14 days and 80 percent humidity.
Everglades-forum threads on whether October is worth it are consistent this still sits within the wet season, real humidity and a genuine mosquito presence both standing features. Posters call afternoon thunderstorms a near-daily occurrence, mornings generally the calmer window before systems build later. Regulars describe wildlife viewing as genuinely less reliable this time of year, higher water levels letting alligators and wading birds spread across a wider area than the concentrated dry-season conditions November onward bring. Posters recommend real bug protection regardless of forecast. Regulars call November through April the more favored stretch, October still workable for visitors prioritizing thinner crowds over ideal wildlife odds. Posters recommend flexible plans given how quickly an afternoon system can build. The record: 30.1C days feeling like a punishing 33C, 22.8C nights, an extraordinarily high 113mm across nearly 10 days and 79 percent humidity.
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Everglades National Park climate normals — May
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Everglades National Park in May
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.
Shoulder seasonan ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Everglades National Park'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).
Fair weatherEverglades National Park's weather peaks January–March.
Best weatherFair weatherToughest weather
What's on in Everglades National Park in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Closure
Summer service reductions
1 May – 31 OctRanger programmes are cut back, boat and tram schedules thin out and some visitor centre hours shorten through the wet season. Check what is running before driving down to Flamingo for the day. Source ↗
- Hazard
Mosquito season
15 May – 15 NovInsects & diseaseIn the wet months the mosquitoes at Flamingo and in the hammocks are genuinely trip-ending, not a nuisance. The park posts a mosquito forecast, and repellent is not enough on the worst days. Source ↗
Nearby, and something's on
Within 300 km of Everglades National Park — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Everglades National Park?
Everglades National Park in May — FAQ
- Is May a good time to visit Everglades National Park?
- May in Everglades National Park: sweltering, rainy, with clean air — a gamble, with 35°C afternoons. It ranks #8 of 12 months for Everglades National Park on SeasonMap's comfort score (60/100).
- What is the weather like in Everglades National Park in May?
- In May, Everglades National Park averages a daily high of 31.5°C and a low of 21.5°C, with about 104.6 mm of rain over roughly 7.7 rainy days.
- What is the air quality in Everglades National Park in May?
- Everglades National Park has a mean US Air Quality Index of about 41 in May.
Within 300 km: Miami's Sea turtle nesting on 1 Mar – 31 Oct, and Fort Lauderdale's Sea turtle nesting on 1 Mar – 31 Oct.