3. Why is the summer solstice not the warmest day of the year?

The hottest days of the year don't fall on the summer solstice, June 21, because the ground and water in the Northern Hemisphere need more time to warm up.

Jun 21, 2019

Explanation:

The June solstice, for the Southern Hemisphere, is the winter solstice. The coldest weather comes in July and August because the land and oceans in that part of the world take some extra weeks to give up their stored heat. Jun 21, 2019