Sunan an Nasai
499
Sahih+2

Khalid bin Dinar Abu Khaldah said:"I heard Anas bin Malik say: 'When it was hot, the Messenger of Allah (ﷺ) would wait until it cooled down to pray, and when it was cold he would hasten to pray

SahihAbu Ghuddah
SahihAl-Albani