MIAMI · MAY · 25.8° N
Statewide, Florida’s wet season runs from May through October, so May is its opening month. The Atlantic hurricane season does not start until June 1. Between those two dates, the sea off Miami averages 83.0°F, the afternoon high at the airport reaches 86.7°F, and the sun sets at 8:00 p.m. Eastern.
A May trip buys you water warm enough for hour-long swims and evenings with light until eight. You give up the dry slot of roughly 65°F to 80°F that South Florida holds from December through April. For bases and trip length, our Florida guide gives Miami three to four nights, and the where-to-stay guide covers the neighborhoods, from South Beach to Coconut Grove.
THE MONTH AT A GLANCE · MIAMI IN MAY
Book May for 83.0°F water and light until 8:00 p.m., plan outdoor hours before noon, and expect rain about one day in four or five before hurricane season opens on June 1.
FIRST MONTH OF THE WET SEASON · OUTSIDE HURRICANE SEASON · SUNSET 8:00 P.M.
Go for: sea water above 80°F, swims at 7 a.m. in full light, sunsets at 8:00 p.m., and a full month before the hurricane season opens.
Think twice before: building the trip around dry weather. May averages 6.32 inches of rain at Miami International, nearly double April’s 3.36.
Climate: NOAA NCEI, station USW00012839 · Sea: Open-Meteo Marine · Tax: Florida DOR · full sources at the end
On this page
- Miami weather in May86.7°F highs, 6.32 inches of rain, sunset at 8:00 p.m.
- Can you swim in Miami in May?An 83.0°F sea, from daily maxima
- Hotel prices and taxes in MayThe 6.0% county tax and resort fees of $25 to $95
- Things to do in Miami in MayLummus Park, South Pointe, Crandon Park, Vizcaya and PAMM
- A two-day Miami itinerary for MayDay one on Miami Beach, day two at Vizcaya
- Miami in May vs April or JuneApril 83.6°F, May 86.7°F, June 89.3°F
- Is May a good time to visit Miami?Who should book May, and April as the fallback
Miami International (MIA) is about 12 miles from South Beach, 20 to 45 minutes by car depending on traffic. Fort Lauderdale-Hollywood (FLL) sits about 25 miles away, 35 to 50 minutes on I-95. Without a car, the MIA Mover links the terminals to the Miami Intermodal Center, where the Metrorail Orange Line leaves for Downtown roughly every 15 minutes from about 5 a.m. to midnight, at $2.25 a ride. Airline options sit in our Florida flights guide, and the bus routes to the beach in the getting-around guide.
Miami weather in May: average highs, lows and rain days
| May normal | Value |
|---|---|
| Average high | 86.7°F |
| Average low | 73.4°F |
| Precipitation | 6.32 in |
| Days with 0.10 in or more | 6.9 |
| Days with 1 in or more | 1.9 |
| Daylight, May 15 | 13 h 27 min |
| Sunrise / sunset, May 15 (EDT) | 6:33 a.m. / 8:00 p.m. |
Every figure here comes from NOAA NCEI’s official 1991–2020 monthly normals for station USW00012839, the thermometer at Miami International Airport. That is a real station reading, not an ERA5 reanalysis of a grid cell, and the station stands on the mainland about 12 miles from South Beach. By that gauge, an average May day peaks at 86.7°F, drops to 73.4°F overnight, and the month collects 6.32 inches of rain.
Those 6.32 inches fall on 6.9 days that record at least 0.10 inch, so measurable rain turns up roughly one day in four or five. An inch or more lands on 1.9 days in an average May, about two proper downpours in the month. Across Florida the summer pattern runs to afternoon thunderstorms, and May opens that season. Put beach time and garden visits in the morning and keep a museum in reserve for mid-afternoon.
From 86.7°F in the afternoon to 73.4°F before dawn, the daily swing is about 13°F, and the night stays far from sweater weather. Pack breathable clothes, a swimsuit that dries overnight, sunscreen, and a compact umbrella or rain shell for the wet days. One light long-sleeved layer covers air-conditioned restaurants and museums. Nothing warmer belongs in the bag.
On May 15 Miami gets about 13 hours 27 minutes of daylight. Converted from UTC to Eastern Daylight Time, sunrise lands at 6:33 a.m. and sunset at 8:00 p.m., so a 7 a.m. swim already has full light and dinner can start before dark. Save the South Pointe Park walk or an Ocean Drive stroll for the hour before 8:00 p.m., well after the afternoon peak.
Can you swim in Miami in May? Sea temperature
Open-Meteo’s Marine API puts the sea surface off Miami at 83.0°F in May, averaged over 2015–2024. That figure is a mean of daily maxima, the warmest reading of each day, so it runs a shade warmer than a 24-hour average, and the water at 7 a.m. may sit slightly below it. Winter tables from other sources put the sea near 72°F, with their January values split between about 72°F and 76°F.
At 83.0°F the water sits less than 4°F below the 86.7°F afternoon air, so getting in involves no gasp and an hour in the water suits most swimmers. Children who found April’s 79.6°F bracing will feel the 3.4°F rise. Lummus Park keeps lifeguards on duty between 5th and 15th Streets, and Crandon Park on Key Biscayne gives you a second beach across the bay.
We could not verify wind or swell data for Miami in May, so we give no wave height and no rip-current odds. Check the lifeguard flags at Lummus Park before you swim, and ask at the stand about the day’s conditions. For planning further ahead, NOAA dates the hurricane season from June 1 to November 30, with its peak on September 10.
How busy is Miami in May? Crowds and prices
According to hotel market data relayed by travel guides, Miami rates run highest from February to April and lowest from August to October. May falls between the two. That pattern is a market trend, not an official statistic. We found no monthly occupancy or room-rate series for Miami either, so we do not rank May against the other eleven months. The calendar fact stands: the February-to-April peak is behind you.
We have no booking-lead data for May, so we give no number of weeks to reserve ahead. The refund terms matter more. A May stay falls entirely outside the official hurricane season, which opens June 1, so a non-refundable rate is a smaller gamble than the same rate near the September 10 peak. For a trip that straddles May 31, read the cancellation clause before you pay.
The Florida Department of Revenue lists a 6.0% transient rental tax in Miami-Dade County, filed and paid together with the 6% state sales tax, so expect both lines on a hotel bill. We could not verify whether Miami Beach or other cities add a levy of their own, so we give no combined percentage. Ask the hotel for the all-in nightly total before you book.
With 6.9 rain days and highs of 86.7°F, extra money changes a May trip in one place: a room a short walk from the sand, or from a stop of the free Miami Beach trolley. A storm then costs an hour back in the room. Miami Beach hotels commonly add a nightly resort fee, and published figures run from about $25 on average to $35 to $95 depending on the property, so compare the full nightly total. Budget tiers for the state are in our Florida trip-cost guide.
Things to do in Miami in May
May lines up an 83.0°F sea with daylight until 8:00 p.m. That pairing lets a single day hold two beach sessions, one from 7 a.m. and one after 5 p.m., with a garden or a museum in between. In April the sea averages 79.6°F, so the early swim is cooler.
On Miami Beach, Lummus Park fronts Ocean Drive from 5th to 15th Streets: free, open 24 hours, with lifeguards, public restrooms and picnic tables. At the island’s southern tip, South Pointe Park is free to enter, and its public lot starts at $2 an hour, with a $20 flat day rate on weekends and public holidays. Crandon Park on Key Biscayne charges $7 to park on weekdays and $10 at weekends. On the mainland, Vizcaya Museum and Gardens opens Wednesday to Monday at 9:30 a.m., last admission 4:30 p.m., and closes Tuesdays. Adults pay $20 during restoration work, down from $25, children 6 to 12 pay $5, and under-6s enter free.
The sea climbs from 79.6°F in April to 83.0°F in May, a 3.4°F gain, while the afternoon air at the airport rises 3.1°F to 86.7°F. The swim improves at the same pace the heat builds. Vizcaya’s gardens are the exposed part of a visit there, so arrive at the 9:30 a.m. opening, hours before the afternoon high, and tour the house last.
The Perez Art Museum Miami (PAMM) is free every Thursday from 5 to 9 p.m., three hours before the 8:00 p.m. sunset and one after it. It is also free all day on the second Saturday of the month, with art-making from 11 a.m. to 3 p.m. Lummus Park costs nothing around the clock, South Pointe Park charges nothing to walk in, the Miami Beach trolley runs free from 8 a.m. to 11 p.m. about every 20 minutes on five routes, and the Metromover loops Downtown and Brickell at no charge. Our Florida things-to-do guide covers the rest of the state.
Miami in May: a two-day itinerary
Day one stays on Miami Beach. Swim at Lummus Park from about 7 a.m., half an hour after the 6:33 a.m. sunrise, while the air is nearer its 73.4°F low. Walk Ocean Drive for breakfast, then catch the free trolley from 8 a.m., the Collins Express or a South Beach loop, before the heat builds toward 86.7°F. Spend early afternoon indoors, when Florida’s summer thunderstorms tend to form, and return to the sand around 5 p.m. Finish at South Pointe Park for the 8:00 p.m. sunset, parking at $2 an hour on a weekday.
Day two crosses to the mainland, on any day but Tuesday. Ride Metrorail for $2.25 to Vizcaya station, a few minutes’ walk from the gates, and arrive for the 9:30 a.m. opening. If the sky stays clear, spend the afternoon at Crandon Park on Key Biscayne, $7 to park on a weekday, or go to PAMM, free from 5 p.m. on Thursdays. If the forecast turns, reverse the order: PAMM’s galleries take the wet hours, and Vizcaya moves to the next dry morning before its 4:30 p.m. last admission. For a longer loop, our 7-day Florida itinerary adds the Everglades and the Keys.
Miami in May vs April and June
| Normal | April | May | June |
|---|---|---|---|
| Average high | 83.6°F | 86.7°F | 89.3°F |
| Average low | 69.8°F | 73.4°F | 76.3°F |
| Precipitation | 3.36 in | 6.32 in | 10.51 in |
| Days with 0.10 in or more | 4.3 | 6.9 | 12.6 |
| Sea surface | 79.6°F | 83.0°F | 85.4°F |
| Hurricane season | Outside | Outside | Opens June 1 |
From April to May, the high rises 3.1°F, the low 3.6°F, and the sea 3.4°F, while rainfall nearly doubles, from 3.36 to 6.32 inches, and wet days climb from 4.3 to 6.9. From May to June, the high gains another 2.6°F and the sea 2.4°F, but wet days almost double again, to 12.6. June, at 10.51 inches, is the wettest month of the year at the Miami International gauge. All three months come from the same NOAA station and the same 1991–2020 normals.
Moving four weeks earlier, into April, trades 3.4°F of sea warmth for 2.96 fewer inches of rain and 2.6 fewer wet days, inside the February-to-April stretch when market data puts hotel rates at their highest. Moving four weeks later, into June, adds 2.4°F to the water and puts the whole trip inside hurricane season. Family trips tied to school calendars get their own planning in our Florida with kids guide.
Is May a good time to visit Miami?
Yes, for swimmers, beach-first couples and families who want warm water and long evenings, and who can live with a storm on roughly one day in four or five. No, if the vacation hinges on dry air, since South Florida’s warm, dry slot runs December through April. No, too, for travelers who wilt in the heat: nights only fall to 73.4°F, so the air never cools off much.
If the answer is no, pick April. Highs run 83.6°F, lows 69.8°F, rain totals 3.36 inches against May’s 6.32, and the sea still averages 79.6°F. Expect the higher rates that market data ties to February through April, and check the Florida best-time guide for the wider calendar.
Of April, May and June, May is the only month with the sea above 80°F and the hurricane season still ahead.
The last word
Book May if the water matters more to you than a spotless forecast, and set every outdoor plan before noon so the afternoon storms land on a museum instead of a beach towel. Getting between island and mainland is cheap. Metrobus route 120, the Beach MAX, runs from the Downtown Bus Terminal over the MacArthur Causeway and up Collins Avenue for $2.25, and a full day of Metrorail and Metrobus rides caps at $5.65.
Sources & data for this guide
- May normals and rain days · NOAA NCEI 1991–2020 monthly normals, station USW00012839 (Miami International Airport) · checked Sep 24, 2026
- April and June normals · same NOAA NCEI station and period · checked Sep 24, 2026
- Sea surface in May · Open-Meteo Marine API, mean of daily maxima 2015–2024 · checked Sep 24, 2026
- Winter sea range of 72°F to 76°F · seatemperature.org and Current Results, sources disagree on January · checked Sep 24, 2026
- Daylight, sunrise and sunset on May 15 · sunrise-sunset.org, converted from UTC to EDT · checked Sep 24, 2026
- Hurricane season dates and Sept 10 peak · NOAA National Hurricane Center · checked Sep 24, 2026
- Miami-Dade transient rental tax · Florida Department of Revenue, form DR-15TDT · checked Sep 24, 2026 · we could not verify city-level levies
- Hotel price seasons · market data relayed by travel guides, a trend and not an official statistic · checked Sep 24, 2026
- Resort fees · comparison sites and local guides, figures diverge widely · checked Sep 24, 2026
- Vizcaya hours, prices and location · vizcaya.org · checked Sep 24, 2026
- PAMM free hours · pamm.org · checked Sep 24, 2026
- Beach access and parking · City of Miami Beach and Miami-Dade Parks, rates change · checked Sep 24, 2026
- Transit fares, Metrorail, routes 120 and 150, trolley · Miami-Dade Transit and City of Miami Beach · checked Sep 24, 2026 · Metromover hours differ between the county (5:30 a.m. to 10 p.m.) and local guides (5 a.m. to midnight), unresolved
- Wind and swell in May · we could not verify a source, so we give no figure