15th of May (Egyptian Arabic: ١٥ مايو 15 Mayo) is a suburb of eastern Helwan, Egypt, and is part of Greater Cairo. It was established in 1978, and is located south of the Nile Delta and east of central Helwan city. It was constructed to solve the problem of insufficient accommodation.
15th of May (city) Wikipedia
Köppen-Geiger climate classification system classifies its climate as hot desert (BWh), as the rest of Egypt. Due to its closeness to Helwan, it has very similar averages.