If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Debarawewa: The hottest months are usually April and June with an average temp of 83°F, while the coldest months are January and February with an average of 80°F. The rainiest months in Debarawewa are November, December, October, and April, with each month seeing an average of 8 inches of rainfall.