10-Night Cruise on Diamond PrincessJapan Explorer - Weather

The Diamond Princess sails a 10-night Japan Explorer itinerary with Princess Cruises, departing Yokohama, Japan on July 11, 2026. It's a classic Asia cruise. Travelers sailing in July can generally expect cooler, off-season conditions. Ports of call include Yokohama, Japan, Toba, Japan, Kobe/Osaka, Japan, with 6 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Saturday, Jul 11, 2026 — Yokohama, Japan

   Yokohama, Japan is a scheduled port of call on day 1 of the 10-night Japan Explorer cruise on Diamond Princess. Expected weather: partially cloudy with highs near 86°F.

2. Day 2 — Sunday, Jul 12, 2026 — Toba, Japan

   Toba, Japan is a scheduled port of call on day 2 of the 10-night Japan Explorer cruise on Diamond Princess. Expected weather: partially cloudy with highs near 88°F.

3. Day 3 — Monday, Jul 13, 2026 — Kobe/Osaka, Japan

   Kobe/Osaka, Japan is a scheduled port of call on day 3 of the 10-night Japan Explorer cruise on Diamond Princess. Expected weather: partially cloudy with highs near 93°F.

4. Day 4 — Tuesday, Jul 14, 2026 — Kochi, Japan

   Kochi, Japan is a scheduled port of call on day 4 of the 10-night Japan Explorer cruise on Diamond Princess. Expected weather: partially cloudy with highs near 87°F.

5. Day 5 — Wednesday, Jul 15, 2026 — Hiroshima, Japan

   Hiroshima, Japan is a scheduled port of call on day 5 of the 10-night Japan Explorer cruise on Diamond Princess. Expected weather: partially cloudy with highs near 86°F.

6. Day 6 — Friday, Jul 17, 2026 — Busan, South Korea

   Busan, South Korea is a scheduled port of call on day 6 of the 10-night Japan Explorer cruise on Diamond Princess. Expected weather: overcast with highs near 91°F.

7. Day 7 — Saturday, Jul 18, 2026 — Nagasaki, Japan

   Nagasaki, Japan is a scheduled port of call on day 7 of the 10-night Japan Explorer cruise on Diamond Princess. Expected weather: rain, partially cloudy with highs near 86°F.

8. Day 8 — Monday, Jul 20, 2026 — Shimizu, Japan

   Shimizu, Japan is a scheduled port of call on day 8 of the 10-night Japan Explorer cruise on Diamond Princess. Expected weather: rain, partially cloudy with highs near 82°F.

9. Day 9 — Tuesday, Jul 21, 2026 — Yokohama, Japan

   Yokohama, Japan is a scheduled port of call on day 9 of the 10-night Japan Explorer cruise on Diamond Princess. Expected weather: rain, partially cloudy with highs near 85°F.