When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Da Nang is roughly similar to Flint. You can assume this to be the case over the next 12 days.
With an average temperature of 35 °C, peak weather can be found in June. As a traveler, expect to see changes in flight prices during that period. The temperatures in Flint are colder than in Da Nang.