Weather is probably a major factor when you plan your trip to Surallah, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually March and April with an average temp of 79°F, while the coldest months are January and February with an average of 77°F. The rainiest months in Surallah are May, June, July, and October, with each month seeing an average of 16 inches of rainfall.