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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Join Princess Cruises's Diamond Princess for a 19-night voyage on the Grand Circle Japan with Nebuta & Summer Festivals route, setting out from Yokohama, Japan on July 28, 2026. It's a classic Asia cruise. Travelers sailing in July can generally expect cooler, off-season conditions. Ports of call include Yokohama, Japan, Nagasaki, Japan, Busan, South Korea, with 11 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 19-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 82°F.
Nagasaki, Japan is a scheduled port of call on day 2 of the 19-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 91°F.
Busan, South Korea is a scheduled port of call on day 3 of the 19-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 78°F.
Aomori, Japan is a scheduled port of call on day 4 of the 19-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 86°F.
Hakodate, Japan is a scheduled port of call on day 5 of the 19-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 73°F.
Yokohama, Japan is a scheduled port of call on day 6 of the 19-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 7 of the 19-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 8 of the 19-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 9 of the 19-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 10 of the 19-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 11 of the 19-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 12 of the 19-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 13 of the 19-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 14 of the 19-night Grand Circle Japan with Nebuta & Summer Festivals cruise on Diamond Princess. Expected weather: partially cloudy with highs near 86°F.
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