Coonoor's climate is characterized by mild winters, warm summers, and moderate monsoon seasons. Winters, spanning from January to February, are cool with temperatures ranging from 8-36°C, while springs from March to May are pleasant with temperatures between 11-38°C. The summer months of June to September experience a slight drop in temperature, averaging around 26°C, with minimal variation throughout the season. Autumn, from October to November, brings similar conditions to spring, with mild temperatures and moderate humidity. During December, Coonoor experiences another cool winter month, ushering in the new year with temperatures ranging from 12-32°C.