Question

explain why desert coolers are effective in summer and not in rainy season

Answer 1

hey its simple

in summers temperature is more hotter then rainy season so its fan cools you &

the water in it pump is made the house or home cool then in rainy season the moisture increase due to water pump

so desert coolers are more effective in summers and not in rainy seasons

Answer 2

Here your answer friend
In summer temperature is more hotter than rainy season so it's fan cools you and the water in it pump is made the house or home cool then in rainy season, the moisture increase due to water pump so desert cooler are more effective in summer season and not in rainy season.
Hope this helps you friend
Thanks