Taking into account the local weather in Nejran is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually July and June with an average temp of 88°F, while the coldest months are December and January with an average of 66°F. From January through March, the daytime average is 87°F and the nighttime average is 51°F. Between April and June, temperatures average 99°F during the day and 68°F at night. July through September averages 100°F during the day and 71°F at night. In October-December, the average temperature is 86°F during the day and 51°F at night.