From mid October it's good to visit Hampi, If you are planning to Explore please read my blog titled " Exploring Hampi Badami Aihole Pattadakkal in 4 days" you will get all the information regarding your trip to Hampi. the blog is available in my profile.
Hi ranjeet, Best Time To Visit Hampi
The winter season is the best time to visit Hampi. The temperature starts to lower by October, and a cold climate will have set in by November. These pleasant days are perfect to tour around the ruins, many of which can be reached only by foot or on a bicycle. With the temperature hovering around 20 0C, this season sees a lot of tourists to Hampi. The Hampi Utsav and the annual chariot festival are organized during this time. The winter season lasts until the end of February.