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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Join Princess Cruises's Diamond Princess for a 21-night voyage on the Grand Circle Japan with Nebuta & Summer Festivals route, setting out from Yokohama, Japan on August 5, 2026. 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. The forecasts below break the weather down port by port.
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.
Aomori, Japan is a scheduled port of call on day 2 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 85°F.
Sakaiminato, 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 87°F.
Busan, South Korea is a scheduled port of call on day 4 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 79°F.
Kochi, 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 84°F.
Tokushima, Japan 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 85°F.
Kobe/Osaka, Japan is a scheduled port of call on day 7 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 90°F.
Shimizu, 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 81°F.
Yokohama, 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 86°F.
Kumano, 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 89°F.
Wakayama, 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 88°F.
Kochi, 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 84°F.
Busan, South Korea 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 78°F.
Nagasaki, 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 89°F.
Kagoshima, 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 88°F.
Shimizu, Japan is a scheduled port of call on day 16 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 81°F.
Yokohama, Japan is a scheduled port of call on day 17 of the 21-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 85°F.
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Yokohama, Japan
Most PopularYokohama ⇆ Tokyo, Narita, Haneda Airport Private Transfer
From $59
Book NowBudget PickYokohama: Guided Cup Noodles Museum Tour & Make Your Own Cup
From $60
Book NowAomori, Japan
Most PopularAomori Customized Private Tour in 1 Day with Licensed Guide
From $144
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Most PopularBusan Highlights in One Day: Small Group Tour (Max 6 Pax)
From $99
Book NowBudget Pick(Guaranteed Return) Busan Shore Excursion for Cruise Guests
From $68
Book NowKochi, Japan
Most PopularKochi Shore Excursion: Customized Car Tour, Licensed Guide
From $374
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From $490
Book NowNagasaki, Japan
Most PopularNagasaki Highlights Private Half-Day Tour by Car
From $170
Book NowBudget PickNagasaki Like a Local: Private & Custom Experience (2-3 hrs)
From $63
Book NowKagoshima, Japan
Most PopularKagoshima Shore Excursion: Custom Car Tour, Licensed Guide
From $509
Book NowBudget PickDiscover the Wonders of Sakurajima Half Day Tour in Kagoshima
From $91
Book NowBefore you disembark Yokohama, Japan
Short on time — quick options that fit before you head out.
Most PopularYokohama ⇆ Tokyo, Narita, Haneda Airport Private Transfer
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From $53
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