Question

why do we feel cool under a fan on hot summer day

Answer 1

hi

Sitting under a fan during summer,helps refresh us because the cool air evaporates all the perspiration coming out of our skin (through pores) and so makes us feel cooler.

Answer 2

when we sit under a fan we cool during summer because increase in speed of wind increases the rate of evaporation and evaporates sweat and makes us comfortable