9-Night Cruise on Diamond PrincessJapan Explorer - Weather

Departing Yokohama, Japan on October 19, 2026, the Princess Cruises ship Diamond Princess runs this 9-night Japan Explorer sailing. It's a classic Asia cruise. Travelers sailing in October can generally expect cooler, off-season conditions. Ports of call include Yokohama, Japan, Nagasaki, Japan, Busan, South Korea, with 5 more along the way. Scroll the daily outlook below to pack smart for every port of call.

1. Day 1 — Monday, Oct 19, 2026 — Yokohama, Japan

   Yokohama, Japan is a scheduled port of call on day 1 of the 9-night Japan Explorer cruise on Diamond Princess. Expected weather: partially cloudy with highs near 69°F.

2. Day 2 — Tuesday, Oct 20, 2026 — At Sea

   Day 2 of 10 is a day at sea aboard Diamond Princess, cruising between ports on the Japan Explorer itinerary.

3. Day 3 — Wednesday, Oct 21, 2026 — Nagasaki, Japan

   Nagasaki, Japan is a scheduled port of call on day 3 of the 9-night Japan Explorer cruise on Diamond Princess. Expected weather: partially cloudy with highs near 76°F.

4. Day 4 — Thursday, Oct 22, 2026 — Busan, South Korea

   Busan, South Korea is a scheduled port of call on day 4 of the 9-night Japan Explorer cruise on Diamond Princess. Expected weather: partially cloudy with highs near 65°F.

5. Day 5 — Friday, Oct 23, 2026 — At Sea

   Day 5 of 10 is a day at sea aboard Diamond Princess, cruising between ports on the Japan Explorer itinerary.

6. Day 6 — Saturday, Oct 24, 2026 — Hiroshima, Japan

   Hiroshima, Japan is a scheduled port of call on day 6 of the 9-night Japan Explorer cruise on Diamond Princess. Expected weather: partially cloudy with highs near 73°F.

7. Day 7 — Sunday, Oct 25, 2026 — Aburatsu, Japan

   Aburatsu, Japan is a scheduled port of call on day 7 of the 9-night Japan Explorer cruise on Diamond Princess. Expected weather: partially cloudy with highs near 74°F.

8. Day 8 — Monday, Oct 26, 2026 — Tokushima, Japan

   Tokushima, Japan is a scheduled port of call on day 8 of the 9-night Japan Explorer cruise on Diamond Princess. Expected weather: partially cloudy with highs near 72°F.

9. Day 9 — Tuesday, Oct 27, 2026 — Shimizu, Japan

   Shimizu, Japan is a scheduled port of call on day 9 of the 9-night Japan Explorer cruise on Diamond Princess. Expected weather: partially cloudy with highs near 69°F.

10. Day 10 — Wednesday, Oct 28, 2026 — Yokohama, Japan

    Yokohama, Japan is a scheduled port of call on day 10 of the 9-night Japan Explorer cruise on Diamond Princess. Expected weather: partially cloudy with highs near 67°F.