21-Night Cruise on Sun PrincessThe Best of the Mediterranean - Weather

Join Princess Cruises's Sun Princess for a 21-night voyage on the The Best of the Mediterranean route, setting out from Civitavecchia, Italy on August 22, 2027. 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 Civitavecchia, Italy, Naples, Italy, Chania, Crete, with 15 more along the way. The forecasts below break the weather down port by port.

1. Day 1 — Sunday, Aug 22, 2027 — Civitavecchia, Italy

   Civitavecchia, Italy 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 78°F. Civitavecchia (Rome) weather in August

2. Day 2 — Monday, Aug 23, 2027 — Naples, Italy

   Naples, Italy 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 80°F. Naples weather in August

3. Day 3 — Tuesday, Aug 24, 2027 — At Sea

   Day 3 of 22 is a day at sea aboard Sun Princess, cruising between ports on the The Best of the Mediterranean itinerary.

4. Day 4 — Wednesday, Aug 25, 2027 — Chania, Crete

   Chania, Crete 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 83°F.

5. Day 5 — Thursday, Aug 26, 2027 — At Sea

   Day 5 of 22 is a day at sea aboard Sun Princess, cruising between ports on the The Best of the Mediterranean itinerary.

6. Day 6 — Friday, Aug 27, 2027 — Kusadasi, Turkey

   Kusadasi, Turkey is a scheduled port of call on day 6 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: clear with highs near 93°F.

7. Day 7 — Saturday, Aug 28, 2027 — Mykonos, Greece

   Mykonos, Greece is a scheduled port of call on day 7 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: clear with highs near 76°F.

8. Day 8 — Sunday, Aug 29, 2027 — Piraeus, Greece

   Piraeus, Greece is a scheduled port of call on day 8 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: clear with highs near 91°F. Piraeus (Athens) weather in August

9. Day 9 — Monday, Aug 30, 2027 — Iraklion, Greece

   Iraklion, Greece is a scheduled port of call on day 9 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: clear with highs near 89°F. Heraklion weather in August

10. Day 10 — Tuesday, Aug 31, 2027 — At Sea

    Day 10 of 22 is a day at sea aboard Sun Princess, cruising between ports on the The Best of the Mediterranean itinerary.

11. Day 11 — Wednesday, Sep 1, 2027 — Bar, Montenegro

    Bar, Montenegro 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 78°F.

12. Day 12 — Thursday, Sep 2, 2027 — Corfu, Greece

    Corfu, Greece is a scheduled port of call on day 12 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: clear with highs near 79°F. Corfu weather in September

13. Day 13 — Friday, Sep 3, 2027 — Messina, Sicily

    Messina, Sicily 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 83°F. Messina weather in September

14. Day 14 — Saturday, Sep 4, 2027 — At Sea

    Day 14 of 22 is a day at sea aboard Sun Princess, cruising between ports on the The Best of the Mediterranean itinerary.

15. Day 15 — Sunday, Sep 5, 2027 — Barcelona, Spain

    Barcelona, Spain is a scheduled port of call on day 15 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Expected weather: partially cloudy with highs near 78°F. Barcelona weather in September

16. Day 16 — Monday, Sep 6, 2027 — Palma De Mallorca, Spain

    Palma De Mallorca, Spain is a scheduled port of call on day 16 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Palma de Mallorca weather in September

17. Day 17 — Tuesday, Sep 7, 2027 — Marseille, France

    Marseille, France is a scheduled port of call on day 17 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Marseille weather in September

18. Day 18 — Wednesday, Sep 8, 2027 — Genoa, Italy

    Genoa, Italy is a scheduled port of call on day 18 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Genoa weather in September

19. Day 19 — Thursday, Sep 9, 2027 — Ajaccio, Corsica

    Ajaccio, Corsica is a scheduled port of call on day 19 of the 21-night The Best of the Mediterranean cruise on Sun Princess.

20. Day 20 — Friday, Sep 10, 2027 — La Spezia, Italy

    La Spezia, Italy is a scheduled port of call on day 20 of the 21-night The Best of the Mediterranean cruise on Sun Princess.

21. Day 21 — Saturday, Sep 11, 2027 — La Spezia, Italy

    La Spezia, Italy is a scheduled port of call on day 21 of the 21-night The Best of the Mediterranean cruise on Sun Princess.

22. Day 22 — Sunday, Sep 12, 2027 — Civitavecchia, Italy

    Civitavecchia, Italy is a scheduled port of call on day 22 of the 21-night The Best of the Mediterranean cruise on Sun Princess. Civitavecchia (Rome) weather in September