Puerto Rico

San Juan cruise weather by month

What to expect when your ship is in San Juan in any month: temperatures, how often it rains, wind, sea temperature and wave heights.

88°Fwarmest average high (June)
81°Fcoolest average high (February)
45%fewest rain days (March)
72%most rain days (April)

Weather in San Juan by month

Average highs run from 81°F (27°C) in February to 88°F (31°C) in June. Rain falls on the fewest days in March and the most in April. Sea temperature and wave heights are for the water just off the port.

Typical conditions, 2022–2025 climate record (ECMWF). Rain days are days with at least 1 mm of rain or melted snow. These are averages, not a forecast.
Month	High / low	Rain days	Wind	Sea temp	Typical seas
January	81 / 73°F27 / 23°C	52%	14 mph23 km/h	81°F27°C	5 ft (1.5 m)Moderate; rougher days up to 7 ft
February	81 / 73°F27 / 23°C	63%	15 mph24 km/h	80°F27°C	5 ft (1.5 m)Moderate; rougher days up to 7 ft
March	82 / 73°F28 / 23°C	45%	14 mph23 km/h	81°F27°C	5 ft (1.5 m)Moderate; rougher days up to 7 ft
April	83 / 73°F28 / 23°C	72%	14 mph23 km/h	81°F27°C	4 ft (1.3 m)Moderate; rougher days up to 7 ft
May	86 / 76°F30 / 24°C	58%	14 mph22 km/h	83°F28°C	3 ft (0.9 m)Slight; rougher days up to 4 ft
June	88 / 78°F31 / 26°C	46%	15 mph25 km/h	84°F29°C	3 ft (0.9 m)Slight; rougher days up to 4 ft
July	86 / 79°F30 / 26°C	59%	17 mph28 km/h	84°F29°C	3 ft (1.0 m)Slight; rougher days up to 4 ft
August	87 / 79°F30 / 26°C	66%	16 mph26 km/h	85°F30°C	3 ft (1.0 m)Slight; rougher days up to 5 ft
September	87 / 79°F30 / 26°C	70%	14 mph22 km/h	86°F30°C	4 ft (1.1 m)Slight; rougher days up to 6 ft
October	87 / 77°F30 / 25°C	64%	12 mph19 km/h	87°F31°C	4 ft (1.1 m)Slight; rougher days up to 5 ft
November	84 / 76°F29 / 24°C	56%	13 mph22 km/h	85°F29°C	5 ft (1.4 m)Moderate; rougher days up to 7 ft
December	82 / 74°F28 / 23°C	56%	14 mph23 km/h	82°F28°C	6 ft (1.7 m)Moderate; rougher days up to 8 ft

Check the forecast for your sailing

Upcoming cruises in San Juan

74 ships from 23 cruise lines are scheduled here, 305 visits in total. The next 15:

Date	Ship	Stop	Sailing
Sat, Oct 102026	Rhapsody of the SeasRoyal Caribbean	Ends here	7 nights from San Juan
Sat, Oct 102026	Rhapsody of the SeasRoyal Caribbean	Departs	7 nights from San Juan
Wed, Oct 142026	Icon of the SeasRoyal Caribbean	Calls	7 nights from Miami
Sat, Oct 172026	Rhapsody of the SeasRoyal Caribbean	Ends here	7 nights from San Juan
Sat, Oct 172026	Rhapsody of the SeasRoyal Caribbean	Departs	7 nights from San Juan
Sun, Oct 182026	Queen ElizabethCunard	Calls	12 nights from Miami
Tue, Oct 202026	MSC World AmericaMSC Cruises	Calls	7 nights from Miami
Wed, Oct 212026	Adventure of the SeasRoyal Caribbean	Calls	8 nights from Port Canaveral
Wed, Oct 212026	Carnival VistaCarnival Cruise Line	Calls	8 nights from Port Canaveral
Wed, Oct 212026	Disney DestinyDisney Cruise Line	Calls	7 nights from Fort Lauderdale
Thu, Oct 222026	Carnival DreamCarnival Cruise Line	Calls	14 nights from Galveston
Sat, Oct 242026	Rhapsody of the SeasRoyal Caribbean	Ends here	7 nights from San Juan
Sat, Oct 242026	Rhapsody of the SeasRoyal Caribbean	Departs	7 nights from San Juan
Wed, Oct 282026	Norwegian SunNorwegian Cruise Line	Calls	13 nights from New York City
Wed, Oct 282026	Star PrideWindstar Cruises	Ends here	8 nights from Boston

Ships that visit San Juan

Nearby cruise ports

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.