Florida, USA
Key West cruise weather by month
What to expect when your ship is in Key West in any month: temperatures, how often it rains, wind, sea temperature and wave heights.
- 86°Fwarmest average high (August)
- 73°Fcoolest average high (January)
- 16%fewest rain days (March)
- 68%most rain days (September)
Weather in Key West right now
Weather in Key West by month
Average highs run from 73°F (23°C) in January to 86°F (30°C) in August. Rain falls on the fewest days in March and the most in September. Sea temperature and wave heights are for the water just off the port.
| Month | High / low | Rain days | Wind | Sea temp | Typical seas |
|---|---|---|---|---|---|
| January | 73 / 68°F23 / 20°C | 19% | 19 mph31 km/h | 76°F25°C | 4 ft (1.2 m)Slight; rougher days up to 6 ft |
| February | 74 / 71°F23 / 22°C | 18% | 18 mph29 km/h | 76°F25°C | 4 ft (1.1 m)Slight; rougher days up to 6 ft |
| March | 76 / 73°F25 / 23°C | 16% | 18 mph29 km/h | 77°F25°C | 4 ft (1.1 m)Slight; rougher days up to 5 ft |
| April | 78 / 75°F26 / 24°C | 20% | 19 mph31 km/h | 79°F26°C | 4 ft (1.2 m)Slight; rougher days up to 7 ft |
| May | 82 / 78°F28 / 26°C | 27% | 15 mph25 km/h | 83°F28°C | 2 ft (0.7 m)Slight; rougher days up to 4 ft |
| June | 84 / 80°F29 / 27°C | 59% | 16 mph25 km/h | 85°F30°C | 3 ft (0.8 m)Slight; rougher days up to 4 ft |
| July | 86 / 82°F30 / 28°C | 56% | 14 mph23 km/h | 87°F31°C | 2 ft (0.7 m)Slight; rougher days up to 4 ft |
| August | 86 / 82°F30 / 28°C | 64% | 15 mph24 km/h | 88°F31°C | 2 ft (0.6 m)Slight; rougher days up to 4 ft |
| September | 85 / 81°F30 / 27°C | 68% | 16 mph25 km/h | 87°F31°C | 2 ft (0.6 m)Slight; rougher days up to 4 ft |
| October | 82 / 78°F28 / 26°C | 40% | 18 mph29 km/h | 84°F29°C | 3 ft (0.9 m)Slight; rougher days up to 6 ft |
| November | 79 / 76°F26 / 24°C | 23% | 19 mph31 km/h | 82°F28°C | 4 ft (1.1 m)Slight; rougher days up to 7 ft |
| December | 74 / 71°F24 / 22°C | 28% | 20 mph32 km/h | 78°F26°C | 4 ft (1.2 m)Slight; rougher days up to 7 ft |
Check the forecast for your sailing
Upcoming cruises in Key West
19 ships from 8 cruise lines are scheduled here, 49 visits in total. The next 15:
Ships that visit Key West
- Celebrity ReflectionCelebrity Cruises
- Carnival SpiritCarnival Cruise Line
- Carnival DreamCarnival Cruise Line
- Celebrity ApexCelebrity Cruises
- Margaritaville at Sea IslanderMargaritaville at Sea
- Celebrity SummitCelebrity Cruises
- Margaritaville at Sea ParadiseMargaritaville at Sea
- Carnival LibertyCarnival Cruise Line
- EurodamHolland America Line
- Nieuw AmsterdamHolland America Line
- ZuiderdamHolland America Line
- Resilient LadyVirgin Voyages
- Scarlet LadyVirgin Voyages
- VolendamHolland America Line
- Norwegian DawnNorwegian Cruise Line
- Norwegian JewelNorwegian Cruise Line
- Oceania InsigniaOceania Cruises
- Jewel of the SeasRoyal Caribbean
- Brilliant LadyVirgin Voyages
Nearby cruise ports
- MiamiFlorida, USA
- Fort LauderdaleFlorida, USA
- Ocean Cay MSC Marine ReserveBahamas
- BiminiBahamas
- Palm BeachFlorida, USA
- TampaFlorida, USA
Wave heights are significant wave height on the Douglas sea state scale. What the numbers mean for a cruise. Sources and method are on the about page.