Best time to visit Rajasthan is November to February.
Rajasthan has following climate:
Summers April to July 24℃-45℃
Monsoon Aug to Oct 21℃-35℃
Winter Nov to March 10℃-27℃
So the suitable time to visit Rajasthan is during the winter season i.e. from november to february.
Summer Season
One should not visit here in Summers as they are unbearable. However you can visit Mount Abu which is the sole hill station of Rajasthan.
Monsoon Season
Visiting Rajasthan in Monsoon is not a bad idea but also not the best one. However most of the fairs and festivals of Rajasthan happens during this period.
Winter Season
This is the ideal time to visit as the weather is pleasant. Pushkar Mela which is one of the most popular fair is held in November. You can enjoy camel ride, elephant safari, and many outdoor activities. This is the peak season in Rajasthan. The nights are cold so one can enjoy sitting in front of bonfire and listening to folk music of Rajasthan.
