The etymology of 'Indian summer' - Wikipedia, the free encyclopediaAn Indian summer day in Fageda d'en Jordà, a beech forest located in Garrotxa county, Catalonia. An Indian summer is a period of unseasonably warm, dry weather that sometimes occurs in autumn in temperate regions of the northern hemisphere. Several sources describe a true Indian summer as not occurring until after the first frost, or more specifically the first "killing frost".[1][2][3] Etymology[
