Planning for the weather is a good way to make your trip to Kupang relaxing and enjoyable, especially when you’re splurging. The hottest months are usually November and October, with an average temperature of 28°C, while the coldest months are August and July, with an average of 26°C. The rainiest months in Kupang are January, February, December and March, with each month seeing an average of 278 mm of rainfall.