We use this expression to refer to the period between early July and early September when the hot sultry weather of summer usually occurs in the northern hemisphere.
You can use this phrase in ………… language.
Spoken
Written
Informal
Example 1
A: What activities do you enjoy during the dog days of summer?
B: I love to relax by the pool and read my favorite books.
Example 2
A: How do you stay cool during the dog days of summer?
B: I like to stay inside with the air conditioning on full blast and drink plenty of iced tea.