Winters in Supaul are cool, with temperatures ranging from 10-25°C, slowly warming up as the season progresses. As winter gives way to spring, temperatures rise rapidly, reaching highs of 38°C by April and staying warm throughout May and June. The summer months bring stable temperatures around 30°C, with slight variations in temperature fluctuations between July and September. Autumn is marked by a gentle decrease in temperatures, ranging from 17-29°C, before the onset of winter once again. Overall, Supaul's climate is characterized by mild winters and warm summers, with moderate temperatures throughout the spring and autumn seasons.