Planning for the weather is a good way to make your trip to Domoni relaxing and enjoyable, especially when you're splurging. The hottest months are usually March and December with an average temp of 82°F, while the coldest months are August and September with an average of 78°F. The rainiest months in Domoni are January, February, March, and December, with each month seeing an average of 9 inches of rainfall.