Question

Why the evaporation of water is faster in shades?

Answer 1

No. water deos not evaporate faster in shades. shades have less temperature -  so water and air are at a lower temperature.
In the sun the air has higher temperature.  So water molecules get more energy from the heat and direct sun light. so molecules can evaporate more quickly.

Answer 2

water evaporates faster in sunlight not i n shades