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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Join Royal Caribbean Cruises's Spectrum Of The Seas for a 9-night voyage on the Best Of Japan Holiday Cruise route, setting out from Hong Kong, China on December 20, 2026. It's a classic Asia cruise. Travelers sailing in December can generally expect cooler, off-season conditions. Ports of call include Hong Kong, China, Fukuoka, Japan, Nagasaki, Japan, with 3 more along the way. The forecasts below break the weather down port by port.
Hong Kong, China is a scheduled port of call on day 1 of the 9-night Best Of Japan Holiday Cruise cruise on Spectrum Of The Seas. Expected weather: partially cloudy with highs near 67°F.
Day 2 of 10 is a day at sea aboard Spectrum Of The Seas, cruising between ports on the Best Of Japan Holiday Cruise itinerary.
Day 3 of 10 is a day at sea aboard Spectrum Of The Seas, cruising between ports on the Best Of Japan Holiday Cruise itinerary.
Fukuoka, Japan is a scheduled port of call on day 4 of the 9-night Best Of Japan Holiday Cruise cruise on Spectrum Of The Seas. Expected weather: partially cloudy with highs near 52°F.
Nagasaki, Japan is a scheduled port of call on day 5 of the 9-night Best Of Japan Holiday Cruise cruise on Spectrum Of The Seas. Expected weather: partially cloudy with highs near 52°F.
Kagoshima, Japan is a scheduled port of call on day 6 of the 9-night Best Of Japan Holiday Cruise cruise on Spectrum Of The Seas. Expected weather: partially cloudy with highs near 57°F.
Kumamoto, Japan is a scheduled port of call on day 7 of the 9-night Best Of Japan Holiday Cruise cruise on Spectrum Of The Seas. Expected weather: partially cloudy with highs near 47°F.
Day 8 of 10 is a day at sea aboard Spectrum Of The Seas, cruising between ports on the Best Of Japan Holiday Cruise itinerary.
Day 9 of 10 is a day at sea aboard Spectrum Of The Seas, cruising between ports on the Best Of Japan Holiday Cruise itinerary.
Hong Kong, China is a scheduled port of call on day 10 of the 9-night Best Of Japan Holiday Cruise cruise on Spectrum Of The Seas. Expected weather: partially cloudy with highs near 66°F.
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