Weather is only one factor, but it can really affect your travel plans, especially when you are planning a longer stay in Chong Kal. The hottest months are usually March and April with an average temp of 85°F, while the coldest months are January and December with an average of 80°F. The rainiest months in Chong Kal are September, October, August, and July, with each month seeing an average of 12 inches of rainfall.