The best time to visit this city is during the months of winter when the climate is cool and pleasant. This region experience tropical climate all around the year, however, the winters in the region tend to be very mild compared to the winters of the north. Summers are extremely hot, thus traveling during this time is not recommended. The area experiences rainfall during the months of monsoon and the temperature drops during the monsoons, with a stark increase in the humidity levels. So, make your plan for Khammam trip accordingly.