Varkkallai's weather is characterized by a gradual increase in temperature throughout the year, with mild winters and hot summers. The months of January to March are relatively cool, with temperatures ranging from 19°C to 36°C, but this gives way to a consistent warmth from April to June and again from September to December, with temperatures hovering around 28-30°C. The summer season is marked by temperatures often reaching up to 33°C during these periods, while the winters are slightly cooler with temperatures not dropping below 19°C. The temperature remains relatively stable throughout the year, with minimal seasonal variations.