Mosques and Places of Prayerكتاب الْمَسَاجِدِ وَمَوَاضِعِ الصَّلاَةِ
Abu Huraira reported that the Messenger of Allah (may peace he upon him) said:When it is very hot, say (the noon prayer) when the extreme heat passes away, for intensity of heat is from the exhalation of Hell