21-Night Cruise on Diamond PrincessGrand Circle Japan with Nebuta & Summer Festivals - Weather

The Diamond Princess sails a 21-night Grand Circle Japan with Nebuta & Summer Festivals itinerary with Princess Cruises, departing Yokohama, Japan on August 5, 2027. It's a classic Asia cruise. Travelers sailing in August can generally expect cooler, off-season conditions. Ports of call include Yokohama, Japan, Aomori, Japan, Sakaiminato, Japan, with 14 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Thursday, Aug 5, 2027 — Yokohama, Japan

   Yokohama, Japan is a scheduled port of call on day 1 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 87°F.

2. Day 2 — Friday, Aug 6, 2027 — At Sea

   Day 2 of 22 is a day at sea aboard Diamond Princess, cruising between ports on the Grand Circle Japan with Nebuta & Summer Festivals itinerary.

3. Day 3 — Saturday, Aug 7, 2027 — Aomori, Japan

   Aomori, Japan is a scheduled port of call on day 3 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 85°F.

4. Day 4 — Sunday, Aug 8, 2027 — At Sea

   Day 4 of 22 is a day at sea aboard Diamond Princess, cruising between ports on the Grand Circle Japan with Nebuta & Summer Festivals itinerary.

5. Day 5 — Monday, Aug 9, 2027 — Sakaiminato, Japan

   Sakaiminato, Japan is a scheduled port of call on day 5 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 87°F.

6. Day 6 — Tuesday, Aug 10, 2027 — Busan, South Korea

   Busan, South Korea is a scheduled port of call on day 6 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 79°F.

7. Day 7 — Wednesday, Aug 11, 2027 — At Sea

   Day 7 of 22 is a day at sea aboard Diamond Princess, cruising between ports on the Grand Circle Japan with Nebuta & Summer Festivals itinerary.

8. Day 8 — Thursday, Aug 12, 2027 — Kochi, Japan

   Kochi, Japan is a scheduled port of call on day 8 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 84°F.

9. Day 9 — Friday, Aug 13, 2027 — Tokushima, Japan

   Tokushima, Japan is a scheduled port of call on day 9 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 85°F.

10. Day 10 — Saturday, Aug 14, 2027 — Kobe/Osaka, Japan

    Kobe/Osaka, Japan is a scheduled port of call on day 10 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 90°F.

11. Day 11 — Sunday, Aug 15, 2027 — Shimizu, Japan

    Shimizu, Japan is a scheduled port of call on day 11 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 81°F.

12. Day 12 — Monday, Aug 16, 2027 — Yokohama, Japan

    Yokohama, Japan is a scheduled port of call on day 12 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 86°F.

13. Day 13 — Tuesday, Aug 17, 2027 — Kumano, Japan

    Kumano, Japan is a scheduled port of call on day 13 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 89°F.

14. Day 14 — Wednesday, Aug 18, 2027 — Kobe/Osaka, Japan

    Kobe/Osaka, Japan is a scheduled port of call on day 14 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 90°F.

15. Day 15 — Thursday, Aug 19, 2027 — Kochi, Japan

    Kochi, Japan is a scheduled port of call on day 15 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 84°F.

16. Day 16 — Friday, Aug 20, 2027 — At Sea

    Day 16 of 22 is a day at sea aboard Diamond Princess, cruising between ports on the Grand Circle Japan with Nebuta & Summer Festivals itinerary.

17. Day 17 — Saturday, Aug 21, 2027 — Busan, South Korea

    Busan, South Korea is a scheduled port of call on day 17 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess.

18. Day 18 — Sunday, Aug 22, 2027 — Nagasaki, Japan

    Nagasaki, Japan is a scheduled port of call on day 18 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess.

19. Day 19 — Monday, Aug 23, 2027 — Kagoshima, Japan

    Kagoshima, Japan is a scheduled port of call on day 19 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess.

20. Day 20 — Tuesday, Aug 24, 2027 — Aburatsu, Japan

    Aburatsu, Japan is a scheduled port of call on day 20 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess.

21. Day 21 — Wednesday, Aug 25, 2027 — At Sea

    Day 21 of 22 is a day at sea aboard Diamond Princess, cruising between ports on the Grand Circle Japan with Nebuta & Summer Festivals itinerary.

22. Day 22 — Thursday, Aug 26, 2027 — Yokohama, Japan

    Yokohama, Japan is a scheduled port of call on day 22 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess.