Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Da Nang to Kaohsiung City as you normally would.
The most flights from DAD to KHH are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
In terms of precipitation, rainfall in Kaohsiung City ranges from 1.2 - 3.9 inches per month. September is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Kaohsiung City when rainfall is around 1.2 in.
If weather is an important factor for your trip to Kaohsiung City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).