If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Hiriketiya: The hottest months are usually March and April with an average temp of 81°F, while the coldest months are January and February with an average of 79°F. The rainiest months in Hiriketiya are November, May, October, and December, with each month seeing an average of 10 inches of rainfall.