Key West in March
Season in March
Peak season
High season Shoulder Low season Dashed line: the year's monthly average
In March, passengers arriving at the airport ran at 1.338 times their year's monthly average (median of 2023–2025). High season means 1.10 times or more, and low season 0.90 times or less.
Source: passengers arriving at Key West International (BTS T-100 Domestic and International Segment, all carriers), US Bureau of Transportation Statistics (BTS) (www.transtats.bts.gov, checked ). It isn't a score. How the label works.
Typical March weather
- Average high
- 79.6 °F (26.4 °C)
- Average low
- 69.3 °F (20.7 °C)
- Rain in the month
- 1.53 in (38.9 mm)
- Days with 0.01 in of rain or more
- 4.8
Averages for 1991–2020, not a forecast. Any given year can differ.
Source: NOAA National Centers for Environmental Information (NCEI), KEY WEST INTL AP, FL US (USW00012836), 1991–2020 normals (www.ncei.noaa.gov, checked ).
How March 2027 scores in Key West
-
Overall score
6*/10 (provisional)
6*/10 GoodThe main score for Key West in March 2027, from 1 to 10, where 10 is best for the visitor. Weather counts for 40%, crowds 25%, daylight 10% and uniqueness 25%. Air quality is shown on its own. How we score
Overall 6*/10: 0.4×9 + 0.25×2 + 0.1×7 + 0.25×3 = 5.55 → 6. *Uniqueness is provisional, so this overall can still change.
-
Weather
9/10
9/10 IdealWeather 9/10: the average high is 79.6 °F with 38.9 mm of rain (1991–2020 normals, NOAA National Centers for Environmental Information (NCEI)). That high is inside the 70–86 °F comfort band, so only rain lowers the score.
How this was scored
- NOAA National Centers for Environmental Information (NCEI), KEY WEST INTL AP, FL US (USW00012836), 1991–2020 normals (www.ncei.noaa.gov, checked )
- The data file read (www.ncei.noaa.gov, checked )
high 79.6 °F: no deduction; rain 38.862 mm: −0.78; 10 − 0.78 = 9.22 → 9
-
Crowds
2/10
2/10 BusyCrowds 2/10, Busy: in March, passengers arriving at the airport ran at 1.338 times their year's monthly average (median of 2023–2025), compared with the rest of Key West's year. Based on passengers arriving at Key West International (BTS T-100 Domestic and International Segment, all carriers), US Bureau of Transportation Statistics (BTS). Airport passenger counts include residents and connecting passengers. Cruise passengers aren't in any airport series, so visitors who arrive by cruise ship aren't counted.
How this was scored
- passengers arriving at Key West International (BTS T-100 Domestic and International Segment, all carriers), US Bureau of Transportation Statistics (BTS) (www.transtats.bts.gov, checked )
- The data read (www.transtats.bts.gov, checked )
- The data read (www.transtats.bts.gov, checked )
2023: 1.346; 2024: 1.338; 2025: 1.332; median 1.338; 10 − 9 × (1.338 − 0.60) / 0.80 = 1.70 → 2
-
Daylight
7/10
7/10 AverageDaylight 7/10: in March 2027 the sun is up for 12 h 1 min a day on average, from sunrise to sunset at 24.56° N, 81.75° W (NOAA solar equations).
How this was scored
- Destination point 24.56° N, 81.75° W, the weather station's published coordinates (www.ncei.noaa.gov, checked )
- Sunrise and sunset by the NOAA Solar Calculator equations, checked against NOAA's own Solar Calculator code (the US Naval Observatory's service didn't answer us) (gml.noaa.gov, checked )
mean of 31 days from sunrise to sunset: 12 h 1 min (12.02 h); 1 + 1.5 × (12.02 − 8) = 7.03 → 7
-
Uniqueness
3*/10 (provisional)
3*/10 Few eventsUniqueness 3*/10: 1 dated event from official calendars falls in March 2027: Key West Jeep Invasion (festival). *Provisional: the Abbott World Marathon Majors and World Athletics Platinum Label road races calendar hasn't published this month yet, so this score can still rise.
- Key West Jeep Invasion · Festival · Mar 12–13 · +2
How this was scored
- Key West Jeep Invasion (festival), 2027-03-12 to 2027-03-13, Truman Waterfront Park, End of Southard Street, Key West, FL (www.cityofkeywest-fl.gov, checked )
- Florida Keys & Key West events (official tourism board calendar) (visitfloridakeys.com, checked )
- City of Key West (city or municipal government calendar) (www.cityofkeywest-fl.gov, checked )
- Grand Slam tennis (WTA Tour 2027) (major-sports competition calendar) (wtafiles.wtatennis.com, checked )
- Formula 1 World Championship (2026 and 2027 seasons) (major-sports competition calendar) (www.formula1.com, checked )
- FIFA World Cup and continental championships (Women's World Cup 2027, AFC Asian Cup 2027, Concacaf W Championship 2026) (major-sports competition calendar) (digitalhub.fifa.com, checked )
- Super Bowl (2026-2027 National Football League Important Dates) (major-sports competition calendar) (www.nfl.com, checked )
- NFL regular-season international games (2026 slate) (major-sports competition calendar) (media.nfl.com, checked )
- UEFA club competition finals 2026/27 (Champions League, Europa League, Conference League, Women's Champions League) (major-sports competition calendar) (www.uefa.com, checked )
- Olympic and Paralympic Games (LA28 Games dates; Dakar 2026 Youth Olympic Games) (major-sports competition calendar) (la28.org, checked )
- Abbott World Marathon Majors and World Athletics Platinum Label road races (major-sports competition calendar, not yet published for this month) (worldathletics.org, checked )
1 + 2 (Key West Jeep Invasion, festival) = 3
-
Air quality
Not measured
Air quality: not measured. No official fine-particle (PM2.5) monitor has reported within 25 miles of Key West. The nearest, Everglades National Park, is 88 miles away. See How we score.
- Source: US EPA AirData monitor list: the nearest fine-particle monitor, Everglades National Park (12-086-0030), 88.2 miles from the destination point (aqs.epa.gov, checked )
Key West through the year: scores out of 10, where 10 is best for the visitor; * marks a provisional score, explained on that month's page
| Aspect | Nov 2026 | Dec 2026 | Jan 2027 | Feb 2027 | Mar 2027 (this page) | Apr 2027 | May 2027 | Jun 2027 | Jul 2027 | Aug 2027 | Sep 2027 | Oct 2027 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall | 8 | 5 | 8 | 8 | 6* provisional | 7* provisional | 7* provisional | 7* provisional | 7* provisional | 6* provisional | 7* provisional | 7* provisional |
| Weather | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 7 | 6 | 5 | 5 | 7 |
| Crowds | 5 | 2 | 4 | 4 | 2 | 4 | 5 | 7 | 7 | 8 | 10 | 7 |
| Daylight | 5 | 5 | 5 | 6 | 7 | 8 | 9 | 9 | 9 | 8 | 7 | 6 |
| Uniqueness | 10 | 3 | 10 | 10 | 3* provisional | – not measured | – not measured | – not measured | – not measured | – not measured | – not measured | – not measured |
| Air quality | – not measured | – not measured | – not measured | – not measured | – not measured | – not measured | – not measured | – not measured | – not measured | – not measured | – not measured | – not measured |
Scores summarize official data with the method on How we score. They aren't a recommendation, and any given year can differ.
When to go
March is still before the official start of the Atlantic hurricane season, and the Florida Keys tourism site's FAQ says winter and spring are the most popular times to visit. The Key West calendar includes First Fridays on Fleming, the Home Tours and the Key West Jeep Invasion at Truman Waterfront Park, so check those dates against your trip.
Trip facts
- NOAA NCEI's monthly normals (1991-2020) list an average daily high of 79.6 and an average daily low of 69.3 degrees Fahrenheit for Key West International Airport in March. (www.ncei.noaa.gov, checked )
- NOAA NCEI's monthly normals (1991-2020) list average monthly precipitation of 1.53 inches for Key West International Airport in March. (www.ncei.noaa.gov, checked )
- The Monroe County Tourist Development Council's site lists Key West's average water temperature for March as 75 degrees Fahrenheit. (visitfloridakeys.com, checked )
- The National Hurricane Center says the Atlantic hurricane season runs from June 1 to November 30. (www.nhc.noaa.gov, checked )
- The Monroe County Tourist Development Council's site lists the 67th Annual Key West Home Tours for March 12–13, 2027, from 1–4 p.m. (visitfloridakeys.com, checked )
- The City of Key West's calendar has a Key West Jeep Invasion city property event notice for Friday, March 12, 2027, 10:00 AM - 4:00 PM at Truman Waterfront Park, and says the event is open to the public. (www.cityofkeywest-fl.gov, checked )
- The Monroe County Tourist Development Council's site lists First Fridays on Fleming in Key West for Mar 5, 2027, from 6:00 - 9:00pm. (visitfloridakeys.com, checked )
- Answering 'What's the best time to visit The Florida Keys?', the Monroe County Tourist Development Council's FAQ says winter and spring are the most popular, with warm weather and low humidity. (visitfloridakeys.com, checked )
- The Monroe County Tourist Development Council's site says visitors can fly to Key West International Airport via connections or direct flights from a host of cities. (visitfloridakeys.com, checked )
- The Monroe County Tourist Development Council's site says to reach the Keys from Miami International Airport, take the Florida Turnpike south to U.S. 1 in Florida City, then continue about 22 miles to Key Largo. (visitfloridakeys.com, checked )
- The Monroe County Tourist Development Council's site says the Overseas Highway is the main road through the Keys, so traffic can build during peak travel times and visitors should plan ahead and allow extra time. (visitfloridakeys.com, checked )
- The Monroe County Tourist Development Council's site says Key West is one of the easiest places in the Keys to explore without a car, especially in Old Town, and that walking, biking, pedi-cabs, taxis and rideshare services are all popular options. (visitfloridakeys.com, checked )
- The City of Key West says Key West Rides On-Demand currently has only one zone in Key West, including Stock Island. (www.cityofkeywest-fl.gov, checked )
- The National Park Service says cars cannot access Dry Tortugas National Park, and visitors must travel by ferry, seaplane, private boat, or permitted charter. (www.nps.gov, checked )
- The National Park Service says visitors to Dry Tortugas National Park are required to provide their own food, water and all other supplies while at the park. (www.nps.gov, checked )
Flights
Compare flights into Key West International Airport, which the Florida Keys tourism site says can be reached by connections or direct flights from a host of cities, with flying into Miami and driving south. The site's directions run from Miami International Airport along the Florida Turnpike, and it warns that traffic on the Overseas Highway can build during peak travel times, so allow extra time. Check the airlines directly for current flight and route information.
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Where to stay
Compare stays in Old Town with options elsewhere on the island, weighing walking distance to the places on your list against how you plan to get around. Check whether your dates overlap with the Home Tours or the Key West Jeep Invasion at Truman Waterfront Park, and look at parking and cancellation terms before you choose.
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Getting around
Walking, biking, pedi-cabs, taxis and rideshare are all popular in Key West, and the city's Key West Rides On-Demand service covers one zone that includes Stock Island. Dry Tortugas National Park has no road access, so plan for a ferry, seaplane, private boat or permitted charter. The National Park Service also says visitors must bring their own food, water and all other supplies.
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Things to do
Decide what is worth building a day around, then check availability for your travel dates. Compare what a tour or ticket includes, the meeting point and the cancellation terms before you choose.
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Stay connected
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