Weather will likely play an important role when you plan your trip to Abu Simbel, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and June, with an average temperature of 33°C, while the coldest months are January and February, with an average of 19°C. Between January and March, the daytime average is 31°C and the night-time average is 10°C. Between April and June, temperatures average 41°C during the day and 19°C at night. Between July and September, the temperature averages 41°C during the day and 25°C at night. Between October and December, the average temperature is 36°C during the day and 12°C at night.