If you're looking forward to lots of outings with your partner, check out these details about year-round temperatures in Tawau: The hottest months are usually April and May with an average temp of 80°F, while the coldest months are February and July with an average of 79°F. The snowiest months in Tawau are May, April, January, and February, with each month seeing an average of 25 inches of snowfall.