Companiganj experiences mild winters, with temperatures ranging from 10-32°C in January and 14-26°C in December. The spring season brings moderate warmth, with March averaging around 26°C. Summer is relatively short-lived, with a brief spike in temperature before the onset of monsoon rains. Autumn sees a gradual cooling trend, with November temperatures averaging around 20°C. Overall, the region's climate is characterized by mild to warm temperatures throughout the year, with little variation between seasons.