Butwal's climate is characterized by a moderate spring with temperatures gradually warming up in March, averaging around 21°C. Summer months bring hot and humid conditions, peaking at an average of 31°C in June and July. Autumn brings relief from the heat, with comfortable temperatures ranging from 18 to 25°C between September and November. Winters are relatively cool, with temperatures fluctuating between 10 and 15°C during December, January, and February.