March to September is the summer month so the climate in Tirupati will be hot and humid with temperatures rising to 42 c at times. mostly the people visit Tirupati throughout the year. so they can plan according to the seasonal breakup
November to February the winter starts in Tirupati and that will be the best time to plan a tour t6o Tirupati the temperature at that time will doesn’t dip below 15 c. and keeps the weather comfortable, but during the night it might be a little cool so using sweater at that time makes you feel warm.
In the month of May to June, the maximum temperature can go up to 42 c to 45 c to particularly in the month of April, and may the temperature will be high. so most people will avoid visiting Tirupati at this particular month. so Tirupati will be seen less crowded during these days.
July to October the temperature will start lowering as the monsoon starts by July, and we can experience a mild shower so this will be the best time to visit Tirupati with family. and also during September the festival season starts, all the big festivals fall this month, the Brahmotsavam.