4-Night Cruise on Spectrum Of The SeasJeju Cruise - Weather

Join Royal Caribbean Cruises's Spectrum Of The Seas for a 4-night voyage on the Jeju Cruise route, setting out from Shanghai, China on July 15, 2026. It's a classic Asia cruise. Travelers sailing in July can generally expect cooler, off-season conditions. Ports of call: Shanghai, China, Seogwipo-si, South Korea, Shanghai, China. The forecasts below break the weather down port by port.

1. Day 1 — Wednesday, Jul 15, 2026 — Shanghai, China

   Shanghai, China is a scheduled port of call on day 1 of the 4-night Jeju Cruise cruise on Spectrum Of The Seas. Expected weather: partially cloudy with highs near 101°F.

2. Day 2 — Friday, Jul 17, 2026 — Seogwipo-si, South Korea

   Seogwipo-si, South Korea is a scheduled port of call on day 2 of the 4-night Jeju Cruise cruise on Spectrum Of The Seas. Expected weather: overcast with highs near 80°F.

3. Day 3 — Sunday, Jul 19, 2026 — Shanghai, China

   Shanghai, China is a scheduled port of call on day 3 of the 4-night Jeju Cruise cruise on Spectrum Of The Seas. Expected weather: rain, overcast with highs near 89°F.