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

The Diamond Princess sails a 15-night Grand Circle Japan with Nebuta & Summer Festivals itinerary with Princess Cruises, departing Yokohama, Japan on July 21, 2027. It's a classic Asia cruise. Travelers sailing in July can generally expect cooler, off-season conditions. Ports of call include Yokohama, Japan, Toba, Japan, Kochi, Japan, with 8 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Wednesday, Jul 21, 2027 — Yokohama, Japan

   Yokohama, Japan is a scheduled port of call on day 1 of the 15-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 84°F.

2. Day 2 — Thursday, Jul 22, 2027 — Toba, Japan

   Toba, Japan is a scheduled port of call on day 2 of the 15-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 81°F.

3. Day 3 — Friday, Jul 23, 2027 — Kochi, Japan

   Kochi, Japan is a scheduled port of call on day 3 of the 15-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 82°F.

4. Day 4 — Saturday, Jul 24, 2027 — At Sea

   Day 4 of 16 is a day at sea aboard Diamond Princess, cruising between ports on the Grand Circle Japan with Nebuta & Summer Festivals itinerary.

5. Day 5 — Sunday, Jul 25, 2027 — Seogwipo-si, South Korea

   Seogwipo-si, South Korea is a scheduled port of call on day 5 of the 15-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 84°F.

6. Day 6 — Monday, Jul 26, 2027 — Nagasaki, Japan

   Nagasaki, Japan is a scheduled port of call on day 6 of the 15-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 89°F.

7. Day 7 — Tuesday, Jul 27, 2027 — At Sea

   Day 7 of 16 is a day at sea aboard Diamond Princess, cruising between ports on the Grand Circle Japan with Nebuta & Summer Festivals itinerary.

8. Day 8 — Wednesday, Jul 28, 2027 — Yokohama, Japan

   Yokohama, Japan is a scheduled port of call on day 8 of the 15-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 85°F.

9. Day 9 — Thursday, Jul 29, 2027 — At Sea

   Day 9 of 16 is a day at sea aboard Diamond Princess, cruising between ports on the Grand Circle Japan with Nebuta & Summer Festivals itinerary.

10. Day 10 — Friday, Jul 30, 2027 — Yatsushiro, Japan

    Yatsushiro, Japan is a scheduled port of call on day 10 of the 15-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 87°F.

11. Day 11 — Saturday, Jul 31, 2027 — Busan, South Korea

    Busan, South Korea is a scheduled port of call on day 11 of the 15-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 78°F.

12. Day 12 — Sunday, Aug 1, 2027 — At Sea

    Day 12 of 16 is a day at sea aboard Diamond Princess, cruising between ports on the Grand Circle Japan with Nebuta & Summer Festivals itinerary.

13. Day 13 — Monday, Aug 2, 2027 — Aomori, Japan

    Aomori, Japan is a scheduled port of call on day 13 of the 15-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 86°F.

14. Day 14 — Tuesday, Aug 3, 2027 — Hakodate, Japan

    Hakodate, Japan is a scheduled port of call on day 14 of the 15-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 73°F.

15. Day 15 — Wednesday, Aug 4, 2027 — At Sea

    Day 15 of 16 is a day at sea aboard Diamond Princess, cruising between ports on the Grand Circle Japan with Nebuta & Summer Festivals itinerary.

16. Day 16 — Thursday, Aug 5, 2027 — Yokohama, Japan

    Yokohama, Japan is a scheduled port of call on day 16 of the 15-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess.