Are rainbow's arcs always the same angle?

Question

Does the curvature of the arc of a rainbow change depending on the time of day (position of the sun)? Size of the raindrops? Observer's position?

Or do the conditions that require a rainbow to exist restrict its curvature's range?

Answer 1

No，they are not the same angle. Sometimes, there are on the top of the skies, other times there are on the side. Or you may see them above the horrizon. This is due to the rain and clouds and also the angles of the sun that makes it occurred.

Answer 2

It depends upon the sun's position.The higher the position of the sun, the flatter will be the rainbow.In this position,only a small part of the rainbow ring is visible which means,the angle subtended by this arc at the centre of the ring will be small.The lower the elevation of the sun,the more will be the size of the arc and more will be the angle subtended by this arc at the centre.