Arcot experiences a hot summer season from April to June, with temperatures often reaching as high as 41°C in April and May. The summer months also bring occasional heatwaves, with temperatures dipping only slightly at night. As the monsoon approaches in July, the temperatures moderate, but still remain warm, ranging from 21-35°C. Autumn brings a slight cool-down, with temperatures gradually decreasing to around 28°C by October. Winter is mild and pleasant, with temperatures ranging from 20-31°C from December to February.