what is dog days of summer
Lilies in the late July heat, Lemnos, Greece. The dog days or dog days of summer are the hot, sultry days of summer. They were historically the period following the heliacal rising of the star Sirius, which Greek and Roman astrology connected with heat, drought, sudden thunderstorms, lethargy, fever, mad dogs, and bad luck.
The âdog days of summerâ occur during the hottest and muggiest. part of the season. Webster defines âdog daysâ as. The period between early July and early September when the hot sultry weather of. summer usually occurs in the northern hemisphere.