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The Sapphire Princess sails a 28-night Japan & Southeast Asia Grand Adventure itinerary with Princess Cruises, departing Tokyo, Japan on December 12, 2026. It's a classic Asia cruise. Travelers sailing in December can generally expect cooler, off-season conditions. Ports of call include Tokyo, Japan, Kagoshima, Japan, Naha, Japan, with 15 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.
Tokyo, Japan is a scheduled port of call on day 1 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 52°F. Tokyo weather in December
Day 2 of 29 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Kagoshima, Japan is a scheduled port of call on day 3 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 60°F.
Day 4 of 29 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Naha, Japan is a scheduled port of call on day 5 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 70°F.
Day 6 of 29 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Day 7 of 29 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Hong Kong, China is a scheduled port of call on day 8 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 80°F. Hong Kong weather in December
Day 9 of 29 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Da Nang, Vietnam is a scheduled port of call on day 10 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 75°F.
Day 11 of 29 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Nha Trang, Vietnam is a scheduled port of call on day 12 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 78°F.
Ho Chi Minh City, Vietnam is a scheduled port of call on day 13 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 85°F.
Day 14 of 29 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Singapore is a scheduled port of call on day 15 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: overcast with highs near 81°F. Singapore weather in December
Day 16 of 29 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Laem Chabang, Thailand is a scheduled port of call on day 17 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Laem Chabang weather in December
Laem Chabang, Thailand is a scheduled port of call on day 18 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Ko Samui, Thailand is a scheduled port of call on day 19 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Sihanoukville, Cambodia is a scheduled port of call on day 20 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Day 21 of 29 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Ho Chi Minh City, Vietnam is a scheduled port of call on day 22 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Day 23 of 29 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Day 24 of 29 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Penang, Malaysia is a scheduled port of call on day 25 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Phuket, Thailand is a scheduled port of call on day 26 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Langkawi, Malaysia is a scheduled port of call on day 27 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Klang, Malaysia is a scheduled port of call on day 28 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Port Klang weather in January
Singapore is a scheduled port of call on day 29 of the 28-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Singapore weather in January
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