If you’re looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Marsa Alam: The hottest months are usually August and July, with an average temperature of 31°C, while the coldest months are January and February, with an average of 20°C. Between January and March, the daytime average is 26°C and the night-time average is 16°C. Between April and June, temperatures average 34°C during the day and 22°C at night. Between July and September, the temperature averages 35°C during the day and 28°C at night. Between October and December, the average temperature is 31°C during the day and 18°C at night.