Sundargarh experiences a warm and humid climate, with temperatures gradually rising from winter to summer. The coolest months are January and December, with average temperatures ranging from 20-25°C, while the warmest months are April and May, with averages around 33°C. Summer is marked by high temperatures in March and April, often reaching up to 42°C, but dropping slightly in June and July. Autumn brings a slight cooling in September and October, with temperatures dipping below 30°C, before rising again in November. Winters are mild, with temperatures ranging from 7-20°C in December and January.