Khagaul experiences a warm and humid climate year-round, with temperatures gradually increasing from winter to summer. Winters, spanning from November to February, are mild with average temperatures ranging from 9°C to 32°C, making it the coolest season of the year. Spring, from March to May, brings rising temperatures, reaching an average high of 42°C in April. Summer months, June to September, see stable temperatures around 28-30°C, while autumn, October and November, sees a slight drop with highs around 30°C.