Planning for the weather is a good way to make your trip to Sukau relaxing and enjoyable, especially when you're splurging. The hottest months are usually May and April with an average temp of 79°F, while the coldest months are February and March with an average of 78°F. The snowiest months in Sukau are April, May, August, and July, with each month seeing an average of 83 inches of snowfall.