Dhamtari experiences a tropical wet and dry climate (Köppen climate classification *Aw*), typical of central India. The year is divided into three main seasons: a hot summer, a humid monsoon, and a mild winter.
Summers (April to June) are typically hot and dry, with daytime temperatures often soaring between 35°C and 45°C (95°F to 113°F). The southwest monsoon arrives by late June and lasts until October, bringing heavy rainfall that is crucial for the region's paddy crops. The city receives an average annual rainfall of about 1,000 to 1,200 mm. Winters (November to March) are very pleasant and mild, with temperatures ranging from 12°C to 25°C (53°F to 77°F). The winter months are generally considered the best time to visit the city and its surrounding natural attractions.