dog days

US /dɔɡ deɪz/
UK /dɔɡ deɪz/
"dog days" picture
1.

Hundstage

the hottest period of the year, usually considered to be from early July to early September

:
We usually go on vacation during the dog days of summer.
Wir fahren normalerweise in den Urlaub während der Hundstage des Sommers.
It's too hot to do anything productive during these dog days.
Es ist zu heiß, um während dieser Hundstage etwas Produktives zu tun.