Planning for the weather is an important factor for making your trip to Kuala Terengganu a success, especially when you're splurging. The hottest months are usually May and June with an average temp of 82°F, while the coldest months are February and January with an average of 78°F. The rainiest months in Kuala Terengganu are December, November, January, and October, with each month seeing an average of 17 inches of rainfall.