Planning for the weather is a good way to make your trip to Kalangala relaxing and enjoyable, especially when you’re splurging. 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 Kalangala are April, November, May, and March, with each month seeing an average of 9 inches of rainfall.