Gaya, being located in tropical region, experiences hot summers. The maximum temperature goes up to 45 C. You must carry light cotton clothes while traveling to Gaya during summer months.
During the monsoon months (July to September), the entire region gets enormous rain. It is advisable to avoid traveling to Gaya and the surrounding areas during Monsoon months.
The period from October to March form the best time to travel to Gaya. During the months of November to February, the Mercury goes down and it is the most appropriate time to explore Gaya. Dont forget to carry warm woolen clothes while traveling to Gaya in winters.