Stay in Key West in May
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Opens Trip.com on Fri 7 May to Sun 9 May 2027; change the dates there.
May is the month when Key West becomes a genuinely better deal without giving up the warmth that draws people to the island. The winter snowbirds who fill Old Town from December through March have headed north, accommodation rates settle into shoulder-season territory, and the heavy summer rains that define June through October have not arrived yet. Daytime temperatures reach the high 20s Celsius (low 80s Fahrenheit), warm enough for all-day swimming but without July's punishing heat.
The month's defining event is the Key West Songwriters Festival, typically spanning 5 days in mid-May. It draws the writers behind major Nashville and Austin hits to perform their own songs at intimate stages across Old Town, Bahama Village, and the Historic Seaport district. If you care about the craft behind popular music, this festival might justify the trip by itself.
May also marks the closing days of Florida's stone crab harvest and the arrival of tarpon on the backcountry flats near Boca Chica. Memorial Day falls on the last Monday of the month and brings a brief influx of visitors and higher rates before the island settles into its quieter summer rhythm. Outside that holiday stretch, you will likely find restaurants in the Truman Annex and along Duval Street with walk-in tables that would have required reservations 2 months earlier.
Why visit in May
- Water temperatures along the reef tract make snorkeling and diving comfortable without a wetsuit for the first time since early fall, and calmer spring seas mean fewer weather cancellations from charter captains.
- Accommodation supply loosens after the winter crush. Guesthouses and boutique hotels in Old Town that were fully committed through March often have same-week availability in May.
- Wading bird nesting season is in full swing on the mangrove flats, making May one of the strongest birding months from a kayak.
- Evening temperatures stay warm enough for outdoor dining without any layering, and sunset moves past 7:45 PM early in the month, stretching the golden hour on the Gulf side.
Worth knowing
- Humidity climbs from the dry winter baseline, and the combination with May's warmth makes midday outdoor activities genuinely tiring. You will want air conditioning access between noon and 3pm.
- Afternoon rain showers arrive on roughly 8 of the month's 31 days. They are typically brief, but they can interrupt a snorkeling trip or a walking tour with little warning.
- Memorial Day weekend breaks the shoulder-season calm with a sharp influx of visitors from South Florida, pushing restaurant wait times up and accommodation availability down for 3 to 4 days.
Best for
Think twice if
May splits the difference between Key West's dry, breezy winter and its soaking summer. Mornings tend to open clear and bright, with warmth building steadily through the afternoon until a short rain shower rolls in from the Gulf, drops 15 to 30 minutes of water, and moves on. The temperature gap between night and day stays within about 2 degrees Celsius, which means the heat never fully breaks. Humidity is at its worst between noon and 4pm, when a 15-minute walk from Duval Street toward the Southernmost Point buoy leaves you damp. Ocean breezes along the Atlantic shore help in late afternoon. By evening, conditions ease enough that restaurant patios across Old Town fill up comfortably.
Seasonal caution
- UV index regularly reaches 10 to 11 on the EPA scale in May. Prolonged sun exposure between 10am and 3pm can cause burns in under 20 minutes, even through light cloud cover.
- Atlantic hurricane season begins June 1. Named storms in May are rare, but tropical disturbances in the final week of the month can bring sudden wind shifts and heavy squalls with limited warning.
Year-round climate
Averages from the last 5 years.
| Month | Avg high (°C) | Avg low (°C) | Rainfall (mm) |
|---|---|---|---|
| Jan | 23 | 20 | 33 |
| Feb | 23 | 22 | 32 |
| Mar | 25 | 23 | 37 |
| Apr | 26 | 24 | 36 |
| May | 28 | 26 | 57 |
| Jun | 29 | 27 | 181 |
| Jul | 30 | 28 | 119 |
| Aug | 30 | 28 | 149 |
| Sep | 30 | 27 | 189 |
| Oct | 28 | 26 | 114 |
| Nov | 26 | 24 | 62 |
| Dec | 24 | 22 | 78 |
Holidays and festivals in May
Public holidays
- Truman Day(Truman Day)8 May 2027
- Memorial Day(Memorial Day)31 May 2027
Headline events
Key West Songwriters Festival
Wednesday through Sunday in the second or third week of May
One of the country's premier songwriter festivals draws over 100 hit-making songwriters to perform their own material across dozens of stages island-wide. Many bar and restaurant shows are free to walk into, while the ticketed in-the-round sessions and headliner concerts fill intimate rooms. Performers tend to include the writers behind chart-topping country, pop, and Americana songs, playing stripped-back sets that reveal the stories behind the hits.
Best things to do in May
Snorkeling the reef tract off Key West
water sportsThe Florida Keys reef tract, North America's only living barrier reef system, runs about 10 km (6 miles) south of the island. Charter boats depart from the Historic Seaport for 3 to 4 hour trips to sites like Sand Key and Rock Key, where you swim over brain corals, sea fans, and schools of parrotfish in water averaging 28°C (82°F).
Water temperature crosses the comfortable threshold for wetsuit-free snorkeling, and calmer spring seas mean better visibility and fewer trip cancellations than winter's northeast swells. By June, afternoon thunderstorms start cutting trips short.Booking tipBook morning departures for the calmest water and best visibility.
Tarpon fishing on the backcountry flats
fishingSilver king tarpon, some exceeding 45 kg (100 lb), migrate through Key West's backcountry channels and bridge pilings from May through early July. Sight-casting to rolling tarpon from a poled skiff on the flats near the Saddlebunch Keys is one of the premier fly-fishing experiences in the Western Hemisphere.
May marks the opening of the annual tarpon migration through the Lower Keys. The fish are fresh and aggressive early in the run, concentrated in predictable channels before dispersing in June.Booking tipCharter captains who specialize in tarpon book months in advance. Reserve by February for prime May dates.
Sunset celebration at Mallory Square
culturalKey West's nightly sunset ritual at Mallory Square, at the northwest tip of Old Town, draws street performers, fire-eaters, and craft vendors who set up along the waterfront about 2 hours before sundown. By late May, sunset reaches nearly 8 PM, giving you a longer golden-hour window than the winter months.
Thinner crowds than the December-through-March peak mean you can claim a waterfront spot without arriving an hour early. The later sunset extends the evening light for photography.Morning bike ride through Old Town
outdoorKey West measures roughly 3.2 km by 6.4 km (2 by 4 miles), and a morning circuit on a cruiser bike through the narrow lanes past wooden shotgun houses, tropical gardens, and the Ernest Hemingway House on Whitehead Street takes about 90 minutes at a leisurely pace.
Morning temperatures in the mid-20s Celsius (mid-70s Fahrenheit) are comfortable before the humidity builds. Quieter streets compared to peak season make cycling safer and more pleasant on the one-way lanes.Booking tipSeveral guesthouses include cruiser bikes with the room. Otherwise, rental shops along Simonton Street open at 8am.
Beach day at Fort Zachary Taylor Historic State Park
beachFort Taylor, at the island's southwestern tip, has Key West's best natural beach and the closest shore-access snorkeling. The Civil War-era fort built starting in 1845 sits on the grounds and is worth a walk-through. Australian pine trees line the beach and provide real shade, which most Keys beaches lack.
Water is warm enough for hours of swimming, and visitor numbers drop from winter levels, making it easier to claim a spot under the pines. The fort's shaded grounds offer relief from the midday sun.Kayaking the mangrove channels
outdoorGuided and self-guided kayak routes through the mangrove-lined channels on the island's north side pass through tidal flats where you can spot great white herons, roseate spoonbills, and juvenile barracuda. The paddling distance is typically 5 to 8 km (3 to 5 miles) round trip.
Wading bird nesting season runs through spring, so May offers strong birdwatching from the water. Calmer wind conditions than winter make the paddling easier, and you beat the summer mosquito peak.Booking tipMorning tours avoid both the afternoon heat and the brief rain showers that tend to arrive after 2pm.
Touring the Harry S. Truman Little White House
historyTruman used this 1890 commandant's quarters on the Truman Annex naval base as his winter White House during 11 visits between 1946 and 1952. The guided tour covers Cold War-era presidential history and includes the restored rooms where Truman worked and hosted his regular poker games.
Smaller tour groups in the shoulder season mean more time with the guides. The air-conditioned interior is a welcome midday escape from May's heat.What to eat in May
In season: fruit
Florida mango
South Florida's mango season opens in May, with early-harvest varieties like Haden and Tommy Atkins appearing at roadside stands along US-1 and at the Key West farmers' market on Saturdays.
On menus now
Stone crab claws
Florida's harvest wraps up partway through May, making the first 2 weeks your final window until October. The claws are served cold and pre-cracked with mustard sauce. The sweet, dense meat has a texture closer to lobster than regular crab.
Yellowtail snapper
Peak catch season runs through late spring on the Keys reef tract. The flesh is mild and flaky, most often served pan-seared with butter and capers at Old Town restaurants.
Hogfish
A reef fish native to Keys waters, hogfish is at its freshest in spring when local spearfishers bring in their catch. The white flesh has a slightly sweet finish that locals compare to lobster tail.
Street food peaks
Frozen key lime pie on a stick
The chocolate-dipped frozen wedge of key lime pie is Key West's signature street snack. Key lime trees across the island begin setting fruit in late spring, and the shops on Duval and Greene Streets sell the frozen slices year-round, but the ritual feels most natural in May's heat.
Regular events in May
Memorial Day WeekendFree
Key West marks the holiday with live music on Duval Street, beach gatherings at Smathers Beach, and a parade through Old Town. The weekend draws a noticeable influx from Miami and Fort Lauderdale, and bars extend their hours through Sunday night.
Last Monday of May and the preceding Saturday-SundayCinco de Mayo on Duval StreetFree
Bars and restaurants along Duval Street mark May 5 with drink specials, live music, and Mexican food menus. It functions as a bar holiday more than a cultural observance in Key West.
May 5Best places this May
Mel Fisher Maritime Heritage Museum
museumThe museum on Greene Street displays gold, silver, and emeralds recovered from the 1622 wreck of the Nuestra Señora de Atocha and the Santa Margarita. Air-conditioned galleries make it a practical midday retreat when the May heat peaks outside.
Old TownKey West Butterfly and Nature Conservatory
natureA glass-enclosed habitat at the south end of Duval Street houses roughly 50 butterfly species along with flamingos and tropical birds. May's warmer temperatures coincide with increased butterfly activity, and the controlled climate means the experience is weather-proof.
Old TownAfrican Cemetery at Higgs Beach
historic siteThe memorial at Higgs Beach marks the burial site of roughly 295 Africans who died after being rescued from slave ships in the 1860s. The beach itself is a local favorite with calmer water than the Atlantic-facing stretches, and May's thinner crowds make it a quiet morning swimming spot.
Casa MarinaSouthernmost Point buoy
landmarkThe painted concrete marker at the corner of Whitehead and South Streets stands 90 miles (145 km) from Cuba and has been Key West's most photographed landmark since its placement in 1983. In May, the photo line rarely stretches past 10 minutes, compared to half an hour or more in February.
Old TownKey West Aquarium
aquariumOpened in 1934 as one of the country's first open-air aquariums, this compact facility on Whitehead Street offers touch tanks with conchs and horseshoe crabs plus daily shark feedings. It is small enough to visit in under an hour and a solid option on a rainy May afternoon.
Old TownBasilica of St. Mary Star of the Sea
historic siteThis church on Truman Avenue features Gothic Revival architecture and a grotto shrine modeled on the Lourdes grotto in France. The interior is cool and quiet on a May afternoon, worth a stop even on a purely architectural basis.
Old Town
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Insider tips
The Songwriters Festival's in-the-round afternoon sessions at smaller venues tend to be more rewarding than the headliner evening shows. Fewer people, more direct conversation between songwriters about their craft. Arrive 30 minutes before doors for a front-row seat.
Locals watch sunset from Fort Zachary Taylor's pier or the Truman Annex waterfront rather than Mallory Square. Same sunset, no crowd, and you can bring your own cooler.
Rent a bike instead of a car or scooter. The island is compact enough that a bike covers everything, and Key West's narrow one-way streets make driving more stressful than pedaling. Parking alone will cost you time and frustration.
The Casa Marina neighborhood on the south shore is quieter and more residential than the Old Town bar district. An early evening walk along the waterfront here catches the Atlantic breeze without the Duval Street intensity.
Avoid these mistakes
- Scheduling snorkeling, bike rides, and walking tours at midday. The subtropical sun is nearly overhead by noon in May, and combined with thick humid air, it causes heat exhaustion faster than most visitors from temperate climates expect. Front-load your outdoor plans before 10am or shift to late afternoon.
- Treating Memorial Day weekend like the rest of the month. South Florida visitors drive down for the long weekend, and restaurants that welcome walk-ins all May suddenly need reservations. Book dinner for Saturday night by mid-week if you are on the island for the holiday.
- Staying in New Town to save on accommodation and walking to Old Town in midday heat. The walk from the hotel corridor on North Roosevelt Boulevard has stretches with little shade and uneven sidewalks. In May's conditions, it is miserable on foot. Stay in Old Town or budget for a bike rental.
Practical tips for May
Book Songwriters Festival tickets as soon as the lineup drops in early spring, since popular afternoon in-the-round sessions sell out weeks ahead. Memorial Day weekend rooms should be reserved by early April at the latest. Outside of that holiday, most Old Town guesthouses still have walk-in availability through May. Afternoon rain showers tend to arrive between 2pm and 5pm and pass within half an hour. Keep your plans flexible during that window rather than canceling outright. A weekly bike rental from shops on Simonton Street is the most practical transport on the island. The Overseas Highway (US-1) from Miami to Key West takes roughly 4 hours without traffic but can stretch to 5 or more behind slow vehicles on the single-lane sections south of Marathon.
FAQ
Is May a good time to visit Key West?
May is a good time. It sits in the shoulder season between the expensive winter peak and the rainy, hurricane-conscious summer. You get warm water, noticeably fewer crowds than peak season, and rates well below winter pricing. The tradeoff is rising humidity and occasional afternoon showers, but neither is a dealbreaker for most travelers. The Songwriters Festival adds a cultural draw that the summer months lack.
What is the weather like in Key West in May?
Warm and increasingly humid. Highs hold in the high 20s Celsius (low 80s Fahrenheit) with very little overnight cooling. Rain arrives on roughly a quarter of the month's days, mostly as brief afternoon showers that clear within 30 minutes. Mornings are generally clear and sunny. The air feels noticeably thicker than the dry winter months but sits well below the levels that June brings, when monthly rainfall more than triples.
Is Key West crowded in May?
Not by Key West standards. The winter tourist season winds down by April, and most of May feels quieter than the December-through-March peak. The Songwriters Festival draws music fans but does not overwhelm the island. Memorial Day weekend is the one exception, bringing a brief jump in visitors from South Florida. Outside that holiday, you will find shorter lines, available restaurant tables, and a more local pace.
Is May part of hurricane season in Key West?
Technically no. Atlantic hurricane season runs from June 1 through November 30. May falls before the official start, and named storms forming in May are historically rare. That said, tropical disturbances can develop in the Caribbean toward the end of the month, occasionally bringing heavy squalls. Most travelers do not factor hurricane risk into May travel plans, and weather-disruption insurance becomes more relevant starting in June.
Can you swim comfortably in Key West in May?
Yes. Ocean temperatures around Key West reach approximately 28°C (82°F) in May, warm enough for extended swimming and snorkeling without a wetsuit. The water is clear on most mornings, with visibility often exceeding 15 meters (50 feet) at reef sites like Sand Key. Afternoon storms can temporarily reduce visibility, so morning water activities tend to deliver better conditions.
Things to Do in Key West in May
Free cancellation Key West Sunset Sail with Open Bar, Live Music and Hors D'oeuvres
Cruise: 2 hours, free cancellation.
via Viator
Free cancellation Shark and Wildlife Viewing Adventure in Key West
Cruise: 2 hours, free cancellation.
via Viator
Free cancellation Half-Day Trip from Key West with Kayaking, Snorkeling & Sunset
Cruise: 4.5 hours, free cancellation.
via Viator
Free cancellation Key West Small-Group Sunset Sail with Wine and Hors d'oeuvres
Cruise: 2 hours, free cancellation.
via Viator
Free cancellation Key West Island Adventure Jet Ski Tour: Bring a Partner for Free
Outdoor experience: 1.5 hours, free cancellation.
via Viator
Free cancellation Key West Dolphin Watch and Snorkel Tour - Eco Adventure
Cruise: 3 hours, free cancellation.
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