Riddle: What goes up when the rain comes down?
An umbrella is a portable item made of waterproof fabric, stretched on flexible wires on a handle, which can be opened and closed, used for protection from rain and sun. The umbrella mentioned in the answer to this riddle is the one intended to protect you from rain.
When it starts raining, we open our umbrella and lift it up in the air so we can avoid getting wet. Therefore, when the rain comes down, an umbrella goes up. Look, the answer to this riddle is not as difficult as you think! The answer of this riddle is an umbrella.
Answer: An umbrella.