When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Alice Springs is roughly less than Ho Chi Minh City. You can assume this to be the case over the next 6 days.
You can imagine temperatures to be in the 37 °C range in January. The weather in Ho Chi Minh City is generally colder than Alice Springs's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.
Within the past month, 23 users have taken a look at flights from Alice Springs to Ho Chi Minh City.