peakofsummer

noun
UK /piːk əv ˈsʌmə/
US /piːk əv ˈsʌmər/

The hottest part in the middle of summer.

We went swimming at the peak of summer.


OTHER MEANINGS

2. The busiest or most active time of something.

The store is crowded at the peak of summer.

3. The time when summer feels strongest and most fun.

Fireflies come out at the peak of summer.

4. The middle point of the summer season.

School is closed at the peak of summer.