9-Night Cruise on Spectrum Of The SeasBest Of Japan Holiday Cruise - Weather

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.

1. Day 1 — Sunday, Dec 20, 2026 — Hong Kong, China

   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.

2. Day 2 — Wednesday, Dec 23, 2026 — Fukuoka, Japan

   Fukuoka, Japan is a scheduled port of call on day 2 of the 9-night Best Of Japan Holiday Cruise cruise on Spectrum Of The Seas. Expected weather: partially cloudy with highs near 52°F.

3. Day 3 — Thursday, Dec 24, 2026 — Nagasaki, Japan

   Nagasaki, Japan is a scheduled port of call on day 3 of the 9-night Best Of Japan Holiday Cruise cruise on Spectrum Of The Seas. Expected weather: partially cloudy with highs near 52°F.

4. Day 4 — Friday, Dec 25, 2026 — Kagoshima, Japan

   Kagoshima, 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 57°F.

5. Day 5 — Saturday, Dec 26, 2026 — Kumamoto, Japan

   Kumamoto, 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 47°F.

6. Day 6 — Tuesday, Dec 29, 2026 — Hong Kong, China

   Hong Kong, China 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 66°F.