Weather can make or break a roadtrip, so we've gathered some data about year-round temperatures in Doun Kaev to help you plan yours. The hottest months are usually March and April with an average temp of 84°F, while the coldest months are January and February with an average of 80°F. The rainiest months in Doun Kaev are October, September, July, and August, with each month seeing an average of 11 inches of rainfall.