New Delhi's climate is characterized by extreme temperature fluctuations. Winters, from December to February, are mild with temperatures ranging from 3-33°C, with January being the coolest month. As spring approaches in March and April, temperatures rise significantly, often reaching up to 40°C, marking the beginning of a hot summer season that lasts until June. The peak summer months of July and August are sweltering, with temperatures frequently soaring above 43°C, but moderate slightly in September. Autumn, from October to November, brings a welcome respite from the heat, with temperatures gradually cooling down before rising again with winter's onset.