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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…The Sun Princess sails a 21-night The Best of the Mediterranean itinerary with Princess Cruises, departing Piraeus, Greece on August 22, 2026. It's a classic Mediterranean cruise. Travelers sailing in August can generally expect mild, changeable weather that can turn cool and wet. Ports of call include Piraeus, Greece, Santorini, Greece, Bar, Montenegro, with 14 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.
Piraeus, Greece is a scheduled port of call on day 1 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: clear with highs near 93°F.
Santorini, Greece is a scheduled port of call on day 2 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: clear with highs near 78°F.
Bar, Montenegro is a scheduled port of call on day 3 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: clear with highs near 80°F.
Corfu, Greece is a scheduled port of call on day 4 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: clear with highs near 80°F.
Messina, Sicily is a scheduled port of call on day 5 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: clear with highs near 85°F.
Barcelona, Spain is a scheduled port of call on day 6 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: partially cloudy with highs near 78°F.
Palma De Mallorca, Spain is a scheduled port of call on day 7 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: partially cloudy with highs near 81°F.
Marseille, France is a scheduled port of call on day 8 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: partially cloudy with highs near 74°F.
Ajaccio, Corsica is a scheduled port of call on day 9 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: partially cloudy with highs near 84°F.
Genoa, Italy is a scheduled port of call on day 10 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: partially cloudy with highs near 80°F.
La Spezia, Italy is a scheduled port of call on day 11 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: partially cloudy with highs near 77°F.
Civitavecchia, Italy is a scheduled port of call on day 12 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: partially cloudy with highs near 76°F.
Naples, Italy is a scheduled port of call on day 13 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: partially cloudy with highs near 77°F.
Chania, Crete is a scheduled port of call on day 14 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: clear with highs near 81°F.
Kusadasi, Turkey is a scheduled port of call on day 15 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: clear with highs near 89°F.
Mykonos, Greece is a scheduled port of call on day 16 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: clear with highs near 75°F.
Piraeus, Greece is a scheduled port of call on day 17 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: clear with highs near 88°F.
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