The word(s) "summer" appears 2 time(s) in 2 verse(s) in Quran in Muhammad Habib Shakir translation.

(1) O you who believe! let those whom your right hands possess and those of you who have not attained to puberty ask permission of you three times; before the morning prayer, and when you put off your clothes at midday in summer, and after the prayer of the nightfall; these are three times of privacy for you; neither is it a sin for you nor for them besides these, some of you must go round about (waiting) upon others; thus does Allah make clear to you the communications, and Allah is Knowing, Wise.

(2) Their protection during their trading caravans in the winter and the summer--