If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Bugala Island: The hottest months are usually February and January with an average temp of 73°F, while the coldest months are July and August with an average of 71°F. The rainiest months in Bugala Island are April, November, May, and March, with each month seeing an average of 9 inches of rainfall.