If you're looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Abu Simbel: 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.