Collection: Temperature of The Sun
The Sun's surface temperature is 5778 Kelvin (K), a well-established scientific measurement.
The first verse time the word "Sun" is mentioned in the Quran is at
[Quran 2:258]
Have you not considered the one who argued with Abraham about his Lord [merely] because Allāh had given him kingship? When Abraham said, "My Lord is the one who gives life and causes death," he said, "I give life and cause death." Abraham said, "Indeed, Allāh brings up the sun from the east, so bring it up from the west." So the disbeliever was overwhelmed [by astonishment], and Allāh does not guide the wrongdoing people.