dog days

Meaning: 盛夏、夏の最も暑い時期

For Example:

‣ It feels like dog days we have during summer keep increasing. No wonder so many people are getting heat strokes these days.

どんどん夏の猛暑日が増えとる気がする。最近たくさんの人が熱中症にかかっとんもしゃあないな。

‣ I lose my appetite during dog days of summer, so I often eat cold noodles instead of rice.

夏の最も暑い時は食欲がなくなってしまうけん、よくごはんの代わりに冷たい麺を食べる。

Synonym:

hottest days of summer

heat wave