When you're dreaming of a getaway to Chulamar, be sure to take into account the year-round temperatures. The hottest months are usually April and March with an average temp of 82°F, while the coldest months are January and December with an average of 80°F. The rainiest months in Chulamar are June, September, October, and August, with each month seeing an average of 11 inches of rainfall.