Does Rainbow Appears After Rain?

When can you see a rainbow? A rainbow requires water droplets to be floating in the air. That's why we see them right after it rains. The Sun must be behind you and the clouds cleared away from the Sun for the rainbow to appear.

Why do we see rainbows after rain?

We see a rainbow in the sky only after rainfall due to dispersion of sunlight by tiny water droplets, present in the atmosphere due to rainfall. The water droplets act like small prisms.

Does it take rain to make a rainbow?

Three conditions must be met in order for you to see a rainbow. First, it must be raining. Second, the sun must be shining. Third, the observer must be between the sun and the rain.