Question

Why is more concentrated yellowish urine is excreexcreted in summers

Answer 1

In summers water loss from the body is more through sweating,So inorder to maintain the water balance concentrated yellowish urine is excreated out.

Answer 2

In$\textbf{ Summers }$ water consumption is increased and as compared with it excretory amount of urine is less.

Most of the water actually evaporated via sweat in summer.

It keeps our body cool and hence concentrated yellowish urine is excreted.