Question

Why do people perspire a lot on a hot humid day

Answer 1

Answer:

It's excretion of fluid by the body that evaporates immediately and thereby serves as a means to regulate body temperature. ... - On hot humid days, water is evaporated slowly, thus more of this sweat is retained. - Therefore, we perspire more during hot humid days

Answer 2

people lose a lot of water or moisture on a hot sunny day because of heat that is conducted in their body because of the sun and thus they lose a lot of water from their body this may also lead to dehydration which is not good so drink a lot of water on a hot and humid day and stay hydrated.