Sonpur experiences a subtropical climate with distinct seasonal variations. Winters are mild, with temperatures ranging from 3-28°C in January and 6-32°C in February, gradually warming up. Spring arrives in March, bringing moderate temperatures of 14-38°C, which continue to rise through April (16-42°C) and May (20-40°C). Summer months of June to September are hot with temperatures averaging around 28°C, while autumn brings a slight cooling effect from October to November, before the onset of winter.