Sirsi experiences a mild climate with warm summers and cool winters. The winter months of January, February, and December see temperatures ranging from 16-23°C, making it a pleasant time to visit. Spring in March and April brings slightly warmer days with highs reaching up to 35°C, while the summer months of May and June have temperatures fluctuating between 24-32°C. The monsoon season is relatively mild, with temperatures dipping to around 19-22°C during July and September. Autumn, spanning from August to November, witnesses a gradual increase in temperature, with highs reaching up to 33°C.