Your Cruise, Your Weather
Plan Your Cruise With Free Weather Forecasts
Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Departing Singapore on December 9, 2026, the Princess Cruises ship Diamond Princess runs this 10-night Vietnam with Halong Bay sailing. It's a classic Asia cruise. Travelers sailing in December can generally expect cooler, off-season conditions. Ports of call include Singapore, Ho Chi Minh City, Vietnam, Nha Trang, Vietnam, with 4 more along the way. Scroll the daily outlook below to pack smart for every port of call.
Singapore is a scheduled port of call on day 1 of the 10-night Vietnam with Halong Bay cruise on Diamond Princess. Expected weather: overcast with highs near 81°F.
Day 2 of 11 is a day at sea aboard Diamond Princess, cruising between ports on the Vietnam with Halong Bay itinerary.
Ho Chi Minh City, Vietnam is a scheduled port of call on day 3 of the 10-night Vietnam with Halong Bay cruise on Diamond Princess. Expected weather: partially cloudy with highs near 86°F.
Nha Trang, Vietnam is a scheduled port of call on day 4 of the 10-night Vietnam with Halong Bay cruise on Diamond Princess. Expected weather: partially cloudy with highs near 78°F.
Day 5 of 11 is a day at sea aboard Diamond Princess, cruising between ports on the Vietnam with Halong Bay itinerary.
Halong Bay, Vietnam is a scheduled port of call on day 6 of the 10-night Vietnam with Halong Bay cruise on Diamond Princess. Expected weather: partially cloudy with highs near 69°F.
Halong Bay, Vietnam is a scheduled port of call on day 7 of the 10-night Vietnam with Halong Bay cruise on Diamond Princess. Expected weather: partially cloudy with highs near 68°F.
Da Nang, Vietnam is a scheduled port of call on day 8 of the 10-night Vietnam with Halong Bay cruise on Diamond Princess. Expected weather: partially cloudy with highs near 75°F.
Day 9 of 11 is a day at sea aboard Diamond Princess, cruising between ports on the Vietnam with Halong Bay itinerary.
Day 10 of 11 is a day at sea aboard Diamond Princess, cruising between ports on the Vietnam with Halong Bay itinerary.
Singapore is a scheduled port of call on day 11 of the 10-night Vietnam with Halong Bay cruise on Diamond Princess. Expected weather: overcast with highs near 81°F.
Already thinking about your next sailing? See what CruiseDirect has.