ENOfficial
Anas said that during the hot weather God’s Messenger delayed the prayer till it was cooler, but in the cold weather he observed it early. Nasa’i transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْ أَنَسٍ قَالَ: كَانَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِذَا كَانَ الْحَرُّ أَبْرَدَ بِالصَّلَاةِ وَإِذَا كَانَ الْبَرْدُ عَجَّلَ. رَوَاهُ النَّسَائِيُّ
sunnah.com