Planning for the weather is a good way to make your trip to Nejran relaxing and enjoyable, especially when you're splurging. The hottest months are usually July and June, with an average temperature of 31°C, while the coldest months are December and January, with an average of 19°C. Between January and March, the daytime average is 31°C and the night-time average is 11°C. Between April and June, temperatures average 37°C during the day and 20°C at night. Between July and September, the temperature averages 38°C during the day and 22°C at night. Between October and December, the average temperature is 30°C during the day and 10°C at night.