Unnao's climate is characterized by a distinct seasonal pattern. Winters, from October to February, are cool with temperatures ranging from 5-28°C, with the coldest months being November and December. As spring sets in, March to May, temperatures rise steadily, reaching an average high of around 40°C. Summer months, June to September, bring scorching heat, with temperatures often soaring above 42°C. Autumn, October to November, brings a welcome respite from the sweltering summer, with temperatures gradually cooling down before the onset of winter.